Test report for mechanical switches according to IEC Switches for appliances Part 1: General requirements

Transcription

1 Test Report issued under the responsibility of: Test report for mechanical switches according to Switches for appliances art 1: General requirements Report reference No.... : Date of issue... : Total number of pages... : 38 CB Testing Laboratory... : DEKRA Testing and Certification (Shanghai) Ltd., Guangzhou Branch Address... : Building A3, No.3 Qiyun Road, Science City, Guangzhou Hi-tech Industrial Development Zone, Guangzhou ,.R. China Applicant s name... : Ningbo Kaifeng Electric Appliance Co., Ltd Address... : East Guanhaiwei Industrial Zone, , Cixi, Ningbo, China Test specification: Standard... : : A1:2001+ A2:2007 Only for mechanical switches Test procedure...: Non-standard test method..: Test Report Form No....: Test Report Form(s) Originator...: Master TRF...: CB IEC61058_1A_II Intertek Semko AB Copyright 2008 IEC System for Conformity Testing and Certification of Electrical Equipment (IECEE), Geneva, Switzerland. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the IECEE is acknowledged as copyright owner and source of the material. IECEE takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. If this Test Report Form is used by non-iecee members, the IECEE/IEC logo and the reference to the CB Scheme procedure shall be removed. This report is not valid as a CB Test Report unless signed by an approved CB Testing Laboratory and appended to a CB Test Certificate issued by an NCB in accordance with IECEE 02. Test item description... : Switch for appliances, rocker switch Trademark... : Kaifeng Model/type reference... : KF-DS-1 Manufacturer... : Ningbo Kaifeng Electric Appliance Co., Ltd East Guanhaiwei Industrial Zone, , Cixi, Ningbo, China Rating... : 16 A, 250 V ~, T55, 1E4

2 age 2 of 38 Report No Testing procedure and testing location: CB Testing Laboratory...: DEKRA Testing and Certification (Shanghai) Ltd., Guangzhou Branch Testing location/ address...: Building A3, No.3 Qiyun Road, Science City, Guangzhou Hi-tech Industrial Development Zone, Guangzhou ,.R. China Associated CB Laboratory...: Testing location/ address...: Tested by (name + signature)...: J. He J.C. Hendriksen Approved by (+ signature)...: Testing procedure: TM Tested by (name + signature)...: Approved by (+ signature)...: Testing location/ address...: Testing procedure: WMT Tested by (name + signature)...: Witnessed by (+ signature)...: Approved by (+ signature)...: Testing location/ address...: Testing procedure: SMT Tested by (name + signature)...: Approved by (+ signature)...: Supervised by (+ signature)...: Testing location/ address...: Testing procedure: RMT Tested by (name + signature)...: Approved by (+ signature)...: Supervised by (+ signature)...: Testing location/ address...:

3 age 3 of 38 Report No Summary of testing: Tests performed (name of test and test clause): Full test. Testing location: DEKRA Testing and Certification (Shanghai) Ltd., Guangzhou Branch Building A3, No.3 Qiyun Road, Science City, Guangzhou Hi-tech Industrial Development Zone, Guangzhou ,.R. China Summary of compliance with National Differences: The switches are additional tested according to EN :2002+A2:2008 (Deviations of Europe). The test results are waived in this test report. Copy of marking plate: for example

4 Test items particulars: age 4 of 38 Report No Type reference... : unique (U.T.) common (C.T.) Type of switch... : rotary lever rocker push-button push-pull push-push cord-operated other: Type of circuit... : [1.2] 1.5 [1.2] [1.4] Special 2.2 [1.2] [1.3] Type of switch... : incorporated integrated [3.3] [3.3] Disconnection... : full micro all-pole Table 17 Type of load (a.c. circuits)... : Substantially resistive Resistive and/or motor Circuit for specific load of motor with a locked rotor Circuit for an inductive load Resistive and capacitive Tungsten filament lamp load Circuit for specific lamp load Specific declared Table 18 Type of load (d.c. circuits)... : Substantially resistive Tungsten filament lamp load Resistive and capacitive load Circuit for specific lamp load Declared specific load Number of cycles... : 1E4 Ambient temperature, actuating member ( C) : T55 Ambient temperature, other parts ( C)... : T55 For appliance class... : II I number... : I40 TI (V)... : 250 V Rated Impulse Voltage U imp (V)... : 2500 V Level... : Material group... : I II IIIa IIIb ollution degree... : Type of terminals... : Solder terminals

5 ossible test case verdicts: test case does not apply to the test object.. : test object does meet the requirement... : test object does not meet the requirement.. : Abbreviations used in the test report: Normal condition... : Functional insulation... : Basic... : Supplementary insulation... : Reinforced insulation... ; age 5 of 38 Report No ass () Fail (F) N.C. FI BI SI RI Testing: Date of receipt of test item... : Date(s) of performance of test... : to General remarks: The test results presented in this report relate only to the object tested. This report shall not be reproduced, except in full, without the written approval of the Issuing testing laboratory. "(See Enclosure #)" refers to additional information appended to the report. "(See appended table)" refers to a table appended to the report. Throughout this report a comma is used as the decimal separator. General product information: Switches for appliances, rocker switches, rating: 16 A, 250 V~, T55, 1E4. Body and actuating member of thermoplastic material. Optional provided with round actuating member of thermoplastic material. The switches may be produced in the following factory location: Ningbo Kaifeng Electric Appliance Co., Ltd East Guanhaiwei Industrial Zone, , Cixi, Ningbo, China

6 age 6 of 38 Report No Marking and documentation The switch manufacturer provide adequate information to ensure that: appliance manufacturer can install a switch end user can use a switch as intended tests performed in accordance with this standard Information is provided in one or more of the following ways, as in table 3. By Marking (Ma) on the switch itself By Documentation (Do) Documentation available in any suitable format. Table 3 No. Switch information Characteristic Way of information C.T. U.T. 1 SWITCH IDENTIFICATION MA MA 1.1 Manufacturer's name or trade mark Kaifeng 1.2 Type reference KF-DS-1 2 SWITCH ENVIRONMENT/MOUNTING Do Do 2.1 Degree of protection for the switch when mounted I 40 code of IEC Degree of protection against electric shock, from outside of an appliance Class 0 Class I Class II Class III 2.3 Method of Do Do mounting and actuating the switch Incorporated earthing Method(s) of mounting and orientation(s) declared. 2.4 ollution degree Do Do TEMERATURE Ma Do 3.1 Ambient temperature limits if 0 55 C C 4 ELECTRICAL LOAD / CONNECTION Ma Do 4.1 Rated voltage or voltage range (V) 250 V 4.2 Nature of supply. ~ 4.3 Frequency or frequency range. (Hz) 4.4 Circuits of substantially resistive loads Ma Do rated current 16 A 4.5 Circuits for resistive and motor load with a power factor 0.6 Ma/ Do Do rated current A 4.6 Circuits for resistive and capacitive load Ma Do rated current and peak surge current A 4.7 Circuits for tungsten filament lamp load Ma/ Do Do rated current A 4.8 Circuits for declared specific loads Do details of the appliance to be controlled 4.9 Switches for more than one circuit Ma / Do current to each circuit and to each terminal A Made clear to which circuit or which terminal the information applies Do

7 age 7 of 38 Report No Rated impulse withstand voltage Do Do 2500 V 4.14 Type and/or connection of switch Do Do 1.3, double pole, single load 4.15 Circuits for specific lamp load Do Do rated current and inrush current A 4.16 Circuits for an inductive load with a power factor 0.6 Do Do rated current A 4.17 Circuits for specific load of motor with a locked rotor and with a power factor 0.6 rated current Do Do A 5 TERMINALS / CONDUCTORS 5.1 All terminals suitably identified Ma Ma 5.2 Terminals for earthing marked with the Ma Ma protective earth symbol 5.3 Information for terminal if this needs Do Do prepared conductors or use of special purpose tool 5.4 Method of connection and Do Do disconnection for screw less terminals 5.5 Type of conductor to be connected to Do Do Flexible or rigid the terminal 5.6 Suitability for interconnection of two or Do Do more conductors to terminals 5.7 Type of solder terminal for Do Do hand with soldering iron solder bath securing the conductor by mechanical means and by soldering 5.8 Suitability for connection of supply 5.9 conductors to terminals 5.10 Tabs with dimension other than those according to IEC appropriate female connector (size, material etc) 6 OERATING CYCLES / SEQUENCE type 1 type 2 Do Do unprepared prepared Do Do 6.1 Number of operating cycles Ma Do 1E4 6.2 Operating sequence for switches with Do Do more than one circuit 6.3 Forces applied to end stops or full travel of actuating member Do Do 7 SIGNAL INDICATORS 7.1 Maximum power of tungsten filament signal lamps. Ma Ma W Marking visible when replacing lamp Ma Ma 7.2 Intended function or operation of the Do Do signal indicator 8 CIRCUIT DISCONNECTION Ma Do Do Do 9 INSULATING MATERIALS Do Do Micro Full 9.1 roof tracking index TI 250 V Level of glow-wire test - DO 650 C 750 C 850 C

8 age 8 of 38 Report No Test conditions for switches having a contact making and breaking speed independent from the speed of actuation 8.3 When symbols are used, they be as follows (see note 1): Do Do Volts (V) Amperes (A) Watts (W) Volt-amperes (VA) Alternating current (single-phase) Alternating current (3-phase) or a.c. or a.c. 3 or 3 a.c. or 3 a.c. Alternating current (3-phase with neutral) 3 N or 3 N a.c or 3N a.c. Direct current Earth symbol or d.c. or d.c. rotective earth symbol Non-protected against solid objects I0X rotected against solid objects I1X I6X Non-protected against water IX0 rotected against water IX1 IX7 Ambient temperature limit(s) T Frequency of supply Hz Number of operating cycles See 8.7 Symbol for micro-disconnection µ Symbol for the OFF -position or the direction of actuation to the OFF position ON -position or the direction of actuation to the ON position 8.4 Information about rated current and rated voltage provided by using figures alone Resistive load and/or motor load Resistive load and capacitive load Resistive load and tungsten filament lamp load Declared specific loads Inductive load according Specific load of motor (locked rotor) The thermal current I th, if applicable. A Test conditions for verifying I th specified. Information concerning thermal current I th given together with the maximum rated current I R Minimum power specified is indicated together with the maximum power. 8.5 Information about rated ambient temperature T 25 T 85 (-25 C up to +85 C) (example) T 85 (0 C up to +85 C) (example) If no information is given rated ambient temperature range is 0 55 C Switches only partially suitable for a rated ambient temperature > 55 C T 85 / 55 (example)

9 age 9 of 38 Report No Switches only partially suitable for a rated ambient temperature > 55 C or 35 C T 85 / 35 (example) 8.6 Symbol for Class II equipment or appliances not used for switches. 8.7 Information about rated operating cycles by using symbol "E", indicating exponent 8.8 Required marking is preferably on the body of the switch. Not on screws, removable washers or other removable. 8.9 The required marking legible and durable. Requirements of 8.1 to 8.8 checked by inspection and rubbing the marking by hand 15 back-and-forth movements in about 15 s with a piece of cloth. soaked with distilled water, followed by soaked with petroleum spirit During tests the cloth pressed on the marking with a pressure of about 2 N/cm². After these tests the marking is still legible Switches with own enclosure and not intended to be incorporated in an appliance, "OFF"-position, clearly indicated Switches with micro-disconnection not marked with symbol "O" for the "OFF" position Switches where marking of switch position is impossible or leads to misunderstanding direction of actuation(s) is marked Switches having more than one actuating member marking is indicate for each of the actuating members, the effect achieved by its operation rotection against electric shock Switches are constructed so that there is adequate protection against contact with live parts. Checked by inspection and by the following test: a) Applied to accessible parts on the switch when mounted according to declared with detachable parts, except lamps with caps removed b) Jointed test finger of IEC applied without force in every possible position. Openings preventing the entry of the finger tested by means of a straight unjointed test finger of the same dimensions in IEC applied with a force of 20 N. If the unjointed test finger enters the opening test repeated with the jointed finger in the angled position Electrical contact indicator used to show contact. c) Openings in insulating material and in unearthed metal parts tested by applying the test pin figure 13 without force in every possible position. Not possible with either the standard test finger or the test pin to touch bare live parts. For switches which have any parts of double insulation construction

10 age 10 of 38 Report No not possible to touch with the standard test finger unearthed metal parts separated from live parts by basic insulation, or by the basic insulation itself Insulating properties of lacquer, enamel, paper, cotton, oxide film on metal parts, beads and sealing compounds which soften in heat not used give protection against live parts Cover or cover-plate or a fuse which can be removed without the use of a tool or instruction for use specifies that covers and cover plates fastened by means of a tool have to be removed. Checked with test finger B according to IEC rotection against contact with live parts assured even after removal of the cover or cover-plate Switch provided with a hole accessible to the user - when mounted as declared - for adjusting the setting of the switch. Checked by applying a test pin according to IEC 61032, figure 3, test probe C, through the hole. The pin does not touch live parts. 9.2 Actuating member is adequately fixed if removal of the actuating member gives access to live parts. Checked by inspection and by applying the jointed test finger B according to IEC without force. 9.3 For switches for appliances other than of Class III, actuating members is of one of the following types: a) Insulating material. b) Metal separated from basic insulated parts by supplementary insulation. c) Metal separated from live parts by double or reinforced insulation. 9.4 Capacitors not connected to unearthed metal parts which are accessible when the switch is mounted Metal casing of capacitors are separated by supplementary insulation from accessible unearthed metal parts, when the switch is mounted. 10 rovision for earthing 10.1 Switches for Class II have no provision for earthing. Interconnections for maintaining the earthing circuit are permitted Earthing terminals, earthing terminations and other earthing means not connected electrically to any neutral terminal 10.3 Accessible metal parts of switches for Class I appliances have provision for earthing 10.4 The connection between an earthing terminal, earthing termination or other earthing means, and parts required to be connected thereto, is of low resistance. a) A current of 1.5I R but 25 A a.c. with 12 V, A passed between the type of used earthing and each of the parts in turn The resistance not exceeding 50 mω. mω 10.5 Earthing terminals of all types for unprepared conductors is of a size required for the corresponding current carrying terminal Not possible to loosen the clamping means without the aid of a tool, and they are adequately locked against unintentional loosening.

11 age 11 of 38 Report No Terminals according to 11.1 and 11.2 provide sufficient resilience for adequate locking against unintentional loosening Switch subjected to excessive vibration or temperature cycling, special provisions are used 10.6 Thread-cutting and thread-forming screws may be used to provide earthing continuity; provided it is not necessary to disturb the connection in normal use and at least 2 screws are used for each connection. checked by inspection and the tests of All parts of an earthing terminal, no risk of corrosion The body of an earthing terminal made of brass or other metal resistant to corrosion and rusting 10.9 Body of an earthing terminal is part of a frame or enclosure of aluminium or aluminium alloy, precautions taken to avoid risk of corrosion resulting from contact between copper and aluminium or its alloys Terminals and terminations Terminals for unprepared copper conductors Common requirements Terminals connection is made of screws, nuts, springs, wedges, eccentrics, cones or equally effective means or methods, without requiring a special tool for connection or disconnection Terminals is fixed that they will not work loose when clamping means are tightened or loosened. Checked by fastening and loosening 10 times with a conductor having the maximum or mm² declared cross-sectional area in table 4 screw-type terminals, torque as in table 20 Nm Terminals designed or placed that a conductor cannot slip out while being connected or the switch is operated as intended. Checked by the following tests: a) Terminals fitted with conductors of maximum or mm² declared cross-sectional areas to table 4 Clamping means is fully tightened with the torque Nm according to table 20. Test repeated with conductors of minimum crosssectional mm² area to table 4. After the test, the conductor have not escaped into or through the gap between the clamping means and retaining device Terminals for connection of flexible conductors located and shielded if a wire of a flexible conductor escapes from a terminal when the conductors are fitted. A free 8-mm wire of a flexible conductor does not make contact between live parts and accessible metal parts and metal parts separated from accessible metal parts only by supplementary insulation for switches for class II appliances The free wire of a flexible conductor connected to an earthing terminal does not touch any live part Terminals so designed that they clamp the conductor without undue damage to the conductor Terminals so designed that insertion of the conductor is prevented by a stop. inspection and tests of and

12 age 12 of 38 Report No Screw-type terminals for unprepared copper conductors Screw-type terminals allow connection of conductors having cross-sectional areas as in table 4. Checked by inspection, measurement and insertion of flexible rigid conductors mm² rigid conductors mm² The conductors enter into the terminal without undue force to the designed depth of the terminal Screw-type terminals clamp the conductor reliably and between metal surfaces. a) The terminals are fitted with conductors of declared cross-sectional areas in table 4 mm² largest cross-sectional areas in table 4 mm² smallest cross-sectional areas in table 4 mm² Terminal screws tightened with a torque of Nm appropriate column of table 20. a) If the screw has a hexagonal head with a slot, the torque applied is equal to column III of table 20. Nm c) Each conductor subjected to a pull force given in table 6, applied without jerks, for 1 min, in the direction of the axis of the conductor space. Table 6 ulling forces for screw-type terminals Terminal size ulling force N During test, conductor does not move noticeably in the terminal Screws and nuts for clamping the conductors does not serve to fix any other part Screw less terminals for unprepared copper conductors Screw less terminals allow, proper connection of conductors having cross-sectional areas as specified in table mm² for flexible conductors and 4 mm² for rigid conductors It is obvious how the insertion and disconnection of the conductors are intended to be effected. Intended disconnection of a conductor can be effected manually with or without the help of a tool in normal use. Openings for the use of a tool intended to assist the insertion or disconnection is clearly distinguishable from the opening for the conductor. The conductors enter without undue force into the terminal aperture to the designed depth Screw less terminals withstand the mechanical stress occurring in normal use. Conductor clamped reliably and between metal surfaces Except for terminals in circuits carrying a current 0.2 A, one of the surfaces may be non-metallic. Checked with uninsulated copper conductors with cross-sectional area as in table 4: declared cross-sectional area largest cross-sectional area smallest cross-sectional area a) rigid conductors 5 insertions and disconnections for solid mm² mm² mm²

13 age 13 of 38 Report No insertion and disconnection for stranded b) or flexible: 5 insertions and disconnections; c) or rigid and flexible: tests are carried out with rigid and flexible conductors for 5 times For each insertion, the conductors are either pushed as far as possible into the terminal or so inserted that adequate connection is obvious. After each insertion, conductor twisted 90 in an axial N direction then subjected to a pull force in table 6 without jerks, for 1 min. During the application of the pull, the conductor does not come out of the terminal. After these tests, neither the terminals nor the clamping means have worked loose Screw less terminals for interconnection of more than one conductor so designed that operation of one clamping means is independent of the operation of one other clamping means; during the disconnection, the conductors can be disconnected simultaneously or separately Screw less terminals withstand the thermal stress occurring in normal use. Clamping means of screw less terminal does form part of the conductive path through the switch checked during the tests of clause 17 Switch rated 1E4 cycles, or the clamping means of the screw less terminal forms part of the conductive path through the switch, checked by thermal endurance test. Maximum I R is passed through the switches A Subjected to 192 test cycles, each cycle duration of approximately 1h, as follows: a) temperature in the cabinet is raised in 20 min to C ± 5 C of this the maximum ambient temperature value 10 min. b) Switches then cooled down in 20 min to a C for 10 min temperature of 30 C with no current flowing through the specimens c) Temperature in the heating cabinet measured 50 mm from the specimen assemblies. After the 192 test cycles the T does not exceed 55 K, samples 1 3: K Terminals for prepared copper conductors and/or requiring the use of a special purpose tool. Terminals suitable for their purpose when the connection made as declared. inspection and tests of clauses 16 and Terminals allow connection of conductors having cross-sectional areas as declared Terminals so designed that they make connection reliably between metal surfaces and without undue damage to the conductor. inspection and the tests of clauses 16 and Terminals so designed that the insertion of the conductor is limited by a stop inspection and tests of and Screw-type terminals for prepared copper conductors No further specific requirements Screw less terminals for prepared copper conductors Screw less terminals clamp the conductor between metal surfaces

14 age 14 of 38 Report No Except for terminals in circuits carrying a current 0.2 A, one of the surfaces may be non-metallic Screw less terminals withstand the thermal stress occurring in normal use. checked by test according to It is obvious how insertion and disconnection of the conductors are intended to be effected Non-disconnectable screw less terminations Non-disconnectable screw less terminations clamp the conductor between metal surfaces Except if they carrying a current 0.2A, one of the surfaces may be non-metallic Screw less terminations withstand thermal stress occurring in normal use Checked by test according to It is obvious how insertion of the conductors are intended to be effected Tabs of flat quick-connect terminations Tabs forming part of a switch complies with the dimensions according to figure U.1 (see Annex U) Tabs with dimensions other than those according to IEC or Annex U allowed if the dimensions and shapes are such that in normal use, they function safely with the female connector shown in Figure 8 or a special female connector is prescribed Material and plating of tabs is appropriate to T max of the tab as in table 7 Table 7 Material and plating for tabs T max C Bare copper 155 Bare brass 210 Tin plated copper and copper alloys 160 Nickel plated copper and copper alloys 185 Silver plated copper and copper alloys 205 Nickel plated steel 400 Stainless steel Tabs allow the application and withdrawal of female connectors without damage. Checked by applying axial forces without jerks equal to those specified in table 8 Table 8 Tab size ush (N) ull (N) Tabs are adequately spaced to allow connection of uninsulated female connectors. Checked by applying female connector to each tab in the most onerous orientation during this operation no strain or distortion occur to any of the tabs or to their adjacent parts, nor is the creepage distances or clearances reduced to values < than those in clause 20. Solder terminals Solder terminals have sufficient solderability. Checked by tests to IEC Table 9 Test conditions for Ta Condition 4.6/4.7 Test method 1: Solder bath at 235 C, or Test method 2: Soldering iron size "B"at 350 C 4.10 Final measurement t according to clause 16. Samples 1 3: See clause 16 C

15 age 15 of 38 Report No Dipped surface is covered with a smooth and bright solder coating. Imperfections not concentrated in one area Solder terminals have sufficient resistance to soldering heat. Solder terminals type 1 to , checked during the tests of After tests the solder terminals, have not worked loose, or been displaced impairing their further use, still comply with clause 20 Solder terminals type 2 according to , checked by tests to IEC Table 10 Test conditions for Tb Condition 5.4/5.5 Test method 1A: Solder bath at 260 C, or Test method 2: Soldering iron size "B"at 350 C After the tests the solder terminals have not worked loose, or been displaced impairing their further use, still comply with clause Solder terminals according to provided with means for mechanically securing the conductor in position independently of the solder. Such means are provided by a hole suitable for hooking-in the conductor; edges to allow conductor to be wrapped around the terminal before soldering; clamping means Welded terminations No further specific requirements Crimped terminations No further specific requirements 11.3 Additional requirements for terminals for connection of supply and of external cords Terminal located near to its corresponding terminal of different polarity, and to the earthing terminal Construction Constructional requirements relating to protection against electric shock When double insulation is employed, basic and the supplementary tested separately a) Basic and supplementary insulation cannot be tested separately, the insulation is considered to be reinforced insulation Creepage distances and clearances not reduced, as a result of wear, below values in clause 20. If any conductive part of the switch becomes loose and moves out of position not get disposed in normal use that creepage distances or clearances across supplementary or reinforced insulation are reduced For the purpose of this test: not expected that two independent fixings will become loose at the same time parts fixed by screws or nuts provided with locking washers not liable to become loose springs and spring parts not become loose or fall out of position during tests of clauses 18 and 19

16 age 16 of 38 Report No Integrated conductors is rigid and fixed, or insulated that creepage distances and clearances not reduced below values in clause 20 Such insulation not damaged during mounting or in normal use. If the insulation of a conductor is not at least electrically equivalent to that of cables and cords complying with the appropriate IEC standard or does not comply with the dielectric strength test made between the conductor and the metal foil wrapped around the insulation under the conditions specified in Clause 15, the conductor is a bare conductor 12.2 Constructional requirements relating to safety during mounting and normal operation of the switch Covers, cover plates, removable actuators cannot be displaced or removed except by use of a tool Fixings for a cover or cover plate does not serve to fix any other part except an actuating member. Not possible to mount removable parts, such that indication of switch positions does not correspond with the actual switch position Fixing screws of covers or cover plates captive Switch not damaged when its actuating member is removed as intended. Actuating members which do not require a tool for their removal, checked by the tests of ull-cord is insulated from live parts ossible to fit or to replace it without removing parts causing live parts to become accessible Illuminated indicator incorporated in a switch provides correct indication as declared. Checked by connecting the switch to a voltage V ±10 % of marked U L or U N Constructional requirements relating to the mounting of switches and to the attachment of cords Methods of mounting do not adversely affect compliance with this standard Switch cannot rotate, or be displaced, and be removed from an appliance without the aid of a tool. If removal of a part is necessary during the normal use, requirements of clauses 9, 15 and 20 is satisfied before and after such removal Mechanism For d.c. switches (checked during tests in clause 17) speed of contact making and breaking is independent of the speed of actuation except for switches with a rated voltage 28 V or a rated current 0.1 A 13.2 Moving contacts can come to rest only in the "ON" and "OFF" positions. Intermediate position permissible if it corresponds to an intermediate position of the actuating member providing not give a misleading indication of a marked "OFF" position and separation of the contacts is adequate Switch in position

17 age 17 of 38 Report No "ON" contact pressure comply with clause 16 "OFF" separation of contacts comply clause 15 Separation of the contacts in an intermediate position comply with clause 15 for "OFF" position 13.3 When the actuating member is released it take automatically or stay in the position corresponding to the moving contacts except only one rest position 13.4 Cord operated switch that after actuating the switch and releasing the cord parts of the mechanism allow performance of the next movement in the cycle of actuation Cord-operated switches actuated from any position, to the next position, by a pull 45 N vertically downwards or 70 N at 45 to the vertical 13.5 Multi-pole switches makes and breaks all poles substantially together. Neutral makes before and breaks after the others rotection against solid foreign objects, ingress of water and humid conditions rotection against ingress of solid foreign objects Degree of protection as in 13.3 of IEC I40 Detachable parts are removed. Switch which relies on mounting for the declared degree of protection mounted in or on a closed box to simulate the appliance tests performed using this simulated assembly For numerals 5 and 6 test carried out according to category 2 with the specimen in the most unfavourable position to the manufacturer's declarations for a period of 8 h During the 8 h the switch loaded alternatively for 1 h with the maximum I R and 1 h without current. For the test for first characteristic numeral 5, the switch comply if all actions function as declared t at the terminals 55 K tested as in 16.2 at I R and at 25 ± 10 C dielectric strength of 15.3 with no humidity treatment before application of test voltage. Test voltage is 75 % of the test voltage in 15.3 no transient fault occurred Test for 1 st characteristic numeral 6, no deposit of dust is inside the switch at the end of the test rotection against ingress of water Degree of protection against ingress of water when mounted and used as declared. Checked by tests in IEC with the switch placed in any position of normal use. Switches kept at 25 ± 10 C for 24 h before being subjected to the test. C The test is carried out according to IEC as follows: A K V

18 age 18 of 38 Report No IX1 IX2 switches as in with the drain holes open IX3 IX7 switches as in with the drain holes closed a) Switch not electrically loaded during tests. The water temperature does not differ from that of the switch by more than 5 K. b) Detachable parts are removed. c) Switches incorporating separate gaskets, screwed glands, membranes or other sealing means, manufactured from rubber or thermoplastic materials are aged in a heating cabinet with pressure of the ambient air and ventilated by natural circulation d) Switches without T-rating, kept in the cabinet at C a temperature of 70 ± 2 C for 240 h Switches with T-rating, kept in the cabinet at a C temperature of T + 30 C for 240 h Switches with glands or membranes are fitted and connected with conductors as in clause 11. Glands tightened with a torque as in table 21 Nm Fixing screws for enclosures are tightened with a Nm torque as in table 20 e) Immediately after ageing, the parts are taken out of the cabinet and left at 25 ± 10 C, avoiding direct daylight, for at least 16 h C f) Switch which relies on mounting for the declared degree of protection mounted in or on a closed box to simulate the appliance tests performed using this simulated assembly g) For tests of 2 nd characteristic numerals 3 and 4, preferably hand-held spray in IEC used. Immediately after test the switch withstand the dielectric strength test specified in 15.3 Inspection show no trace of water on insulation which could result a reduction of creepage and clearance below the values in clause rotection against humid conditions Cable inlet openings and drain-holes left open. Drain-hole for a water-tight switch is opened. a) Detachable parts removed and subjected to the humidity treatment with the main part. b) Humidity treatment in humidity cabinet containing air with humidity between 91 95% The temperature of air maintained within ±1 C of value (t) between C c) Before placed in the humidity cabinet, specimens brought to a temperature between t and t + 4 C. V 95 % 25 C 25 C The specimens kept in the cabinet for 96 h. 96 h The switch does not show any damage Insulation resistance and dielectric strength The insulation resistance and the dielectric strength of switches shall be adequate. Checked by the tests of 15.2 and 15.3, immediately after test of The foils not pressed into openings but pushed into corners and the like by means of standard test finger

19 age 19 of 38 Report No Basic insulation and supplementary insulation cannot be tested separately, subjected to test voltages for reinforced insulation 15.2 Insulation resistance measured with d.c. of 500 V one minute after application of the voltage. Insulation resistance not less than in table 11. Table 11 Minimum insulation resistance Insulation to be tested Insulation resistance Functional 2 MΩ >2 MΩ Basic 2 MΩ Supplementary 5 MΩ Reinforced 7 MΩ >7 MΩ 15.3 The insulation is subjected to a voltage of substantially sine wave form, 50 or 60 Hz. The test voltage raised uniformly from 0 V to in table 12 within 5 s and kept for 5 s. Table 12 Dielectric strength Rated voltage (V) Insulation or disconnection to be Test voltage (V) tested Functional 1500 Basic -- Supplementary -- Reinforced 3000 Micro-disconnection -- Full disconnection 1500 No flash over or breakdown occurs Heating Contacts and terminals a) Terminals for unprepared conductors fitted with 1,5 mm² conductors of 1 m or declared and with medium or declared cross-sectional area in table 4 b) Terminals for prepared conductors fitted with mm² conductors of 1 m or less if declared and have a cross-sectional area as declared c) Terminal screws and/or nuts are tightened with a torque equal to 2/3 in table 20 Nm f) oles of switches, which make simultaneously, may be connected in series by means of conductors. Minimum length of the conductors between two poles is 1 m unless declared a length below 1 m. 1 m h) Switches with T-rating 55 C, tested at 20 ± 10 C 25 C Switches with T-rating > 55 C, placed in a heating C cabinet without forced convection The temperature of the cabinet is maintained at T C ± 5 C or T ± 0.05 T whichever is greater Switches only partially suitable for a rated ambient temperature higher than 55 C parts which are accessible when the switch is C mounted as declared is exposed to a temperature not higher than 55 C.

20 age 20 of 38 Report No j) Actuating member left in the most unfavourable "ON" position and the switches loaded with a current of 1.06I R for resistive load 16,96 A Switches for a.c. voltage and switches for d.c. voltage where no polarity is given, the test is performed with d.c. voltage in both V polarities and an average value calculated n) t at the terminals does not exceed 45K 1) 23 K 2) 19 K 3) 23 K K Other parts For mechanical switches compliance is checked by the following tests: a) Mounted as declared, fitted with conductors and loaded with a test current in and carried out at maximum T-rating C b) Switches only partially suitable for a rated ambient temperature higher than 55 C, parts accessible when the switch is mounted are C exposed to a temperature not higher than 55 C. c) The temperature of metal mounting surfaces of the test equipment is between T and 20 C. C d) If other heating sources incorporated or integrated in the switch these circuits are connected to a supply voltage between x U N h) During this test the temperatures not exceeds the values in table 13. V Table 13 ermissible maximum temperatures C Normal conditions Rubber or polyvinyl chloride insulation of non-detachable cables and cords: without T-marking 75 with T- marking Cord sheaths as supplementary insulation 60 Rubber other than synthetic, used for gaskets or other parts, the deterioration of which could affect safety used as: supplementary or reinforced insulation 65 in other cases 75 Material used as insulation other than that specified for wires: printed circuit boards Moulding of: thermosetting materials thermoplastic materials 17 K All accessible surfaces except those of actuating members or handles 85 Accessible surfaces of actuating members or handles which are held for short periods only of: metal 60 porcelain or vitreous material 70 moulded material or rubber 85 5 K Inside of enclosures of insulating material Windings: Thermal classification:

21 age 21 of 38 Report No class: Terminals and terminations for 80 unprepared conductors acc. to Table 4 Other terminals and terminations 17 Endurance 17.2 Electrical endurance tests Circuit or type: Electrical conditions Rated voltage (V): 250 V Rated current (A): 16 A Ambient temperature ( C): 25 C Nature of supply AC/DC: AC The switch loaded as in table 17 and/or table 18 and connected as given in table 2 following Switches of declared specific type and/or connection connected and loaded as declared Circuits and contacts which are not intended for external loads operated with the designated load Where in table 2 an auxiliary switch (A) is symbolised in the test circuit, tests for two ON-positions of the specimen (S) performed on 2 separate sets of test samples The connection to the test load to be performed for the two tests symbolised in table 2 by an auxiliary switch A Multiway switches classified according to to loaded according to table 16 Table 16 Test loads for multiway switches Cycles of Switch position Type of switch Circuit operations of Sub-clause Load (A) 1st half Highest load to I R Next lower to load I R Further next lower load I R 2nd half Highest load to I R Next lower to load I R Further next lower load I R For circuits according to for specific lamp load, connection and test load as declared using the maximum occurring inrush current at T room No electrical endurance tests necessary for switches for 20 ma load as classified in When increased-voltage conditions, the loads used are those for tests at U N the voltage then increased to 1.15U N Test circuits for capacitive load tests and simulated lamp load tests for a.c. circuits the test voltage is U N and the test currents are increased to 1.15 times rated currents I R Thermal conditions For switches according to and st half of test at maximum T-rating (+5 / 0) C C

22 age 22 of 38 Report No nd half of test at 25 C ± 10 C or at the minimum T-rating (0 / -5) C if T< 0 C Switches according to , parts declared for use at 0 C to 55 C C is exposed to a temperature C C The ambient air temperature of the remainder of the switch, 1 st half of test at maximum T-rating (T-0/+5) C C 2 nd half of test are carried out at 25 ± 10 C or at minimum T-rating (0 / -5) C if T < 0 C C Manual and mechanical conditions Operating speed for the operating cycles is as follows: a) For slow speed approximately: 9 /s for rotary actuations at an angle 45 ; 18 /s for rotary actuations at an angle >45 ; 20 mm/s for linear actuations b) For high speed: actuating member actuated by hand as fast as possible c) For accelerated speed approximately: 45 /s for rotary actuations at an angle 45 ; 90 /s for rotary actuations at an angle > 45 ; 80 mm / s for linear actuations For biased switches, the actuating member is moved to the limit of travel of the opposite position During the slow speed test, test apparatus drives the actuating member positively, without backlash between apparatus and actuating member During the accelerated speed test: a) Care taken that test apparatus allows actuating member to operate freely. b) Switches for a rotary actuation where movement is not limited in either direction 3/4 of operating cycles made in a clockwise and 1/4 in an anti-clockwise direction c) Switches for rotary actuation in one direction only, test is performed in the designed direction. d) Additional lubrication not applied during tests. e) Forces applied to the end stops of the actuating members do not exceed declared values As the design allows the switches are operated at a rate of: 30 operations / minute, if I R 10A; 15 operations / minute, if I R > 10A but < 25A; 7.5 operations / minute, if I R is 25 A ON period = 25 (0 / +5) % of an operating cycle. OFF period = 75 (-5 / +0) % of an operating cycle For capacitive and simulated lamp load tests according to figure 9A and figure 9B, switches operated 2s ON and 15s OFF For locked rotor tests, switches operated 1s ON and 30s OFF Type of test condition (TC) Electrical conditions as in Thermal conditions are those in Method of operation as in

23 age 23 of 38 Report No Circuit or type: Increased-voltage test at accelerated speed (TC1) Test voltage1.15 x U N (V): 287,5 Making Test current (A): 18,4 ower factor (ϕ) Time constant (ms): 0,95 Breaking Test current (A): 18,4 ower factor (ϕ) Time constant (ms): 0,95 Number of operating cycles is 100. Samples 1~3: Test at slow speed (TC2) Test voltage U N (V): 250 Making Test current (A): 16 ower factor (ϕ) Time constant (ms): 0,95 Breaking Test current (A): 16 ower factor (ϕ) Time constant (ms): 0,95 Number of operating cycles is 100. Samples 1~3: Test at high speed (TC3) (only switches with more than one pole and with reversal polarity). Test voltage U N Making Test current ower factor (ϕ) Breaking Test current (V) (A) Time constant (ms) (A) ower factor (ϕ) Time constant (ms) Number of operating cycles is 100. Samples 1, 2, 3: Test at accelerated speed (TC4) Test voltage U N (V) 250 Making Test current (A) 16 ower factor (ϕ) Time constant (ms) 0,95 Breaking Test current (A) 16 ower factor (ϕ) Time constant (ms) 0,95 Number of operating cycles declared less number of less number of less number of = number to test 9800 Samples 1~3: Locked-rotor test (TC9) with method for accelerated speed in Test voltage Making Test current ower factor (ϕ) Breaking Test current (V) (A) Time constant (ms) (A) ower factor (ϕ) Time constant (ms) Number of operating cycles is 50. Samples 1, 2, 3:

24 age 24 of 38 Report No Test at very slow speed (TC10). Operating speed for the operating cycles as is approximately follows: 1 /s for rotary actuation 0.5 mm/s for linear actuation Test voltage Making Test current ower factor (ϕ) Breaking Test current (V) (A) Time constant (ms) ower factor (ϕ) Time constant (ms) Number of operating cycles is 50. Samples 1, 2, 3: Evaluation of compliance Functional compliance (TE1) switch complies if all actions function as declared no loosening of electrical / mechanical connections occur; sealing compound does not flow to such an extend that live parts are exposed Thermal compliance (TE2) t at the terminals < 55K tested in accordance with 16.2 at I R and 25 C ± 10 C Test current 16 A Samples 1)~3): 1) 36 K Insulating compliance (TE3) dielectric strength of 15.3 with specimens not subjected to humidity treatment before application of the test voltage 75 % of the test voltage in sub-clause 15.3: Samples 1~18: no transient fault occurred Over contact gap(s) Between live parts of different polarity Between live parts and earth metal Between live parts and accessible metal parts or actuating members etc. 18 Mechanical strength 18.2 Applying blows to the specimen by means of the spring-operated impact test apparatus of IEC Actuating member and all surfaces accessible parts when the switch is mounted as in normal use and declared are tested with test apparatus calibrated to deliver an energy of 0.5 ± 0.04 Nm. Foot-actuated switches subject to the same test but using a test apparatus calibrated to deliver an energy of 1.0 ± 0.05 Nm For all such surfaces 3 blows applied to every point likely to be weak. Foot-operated switches mounted as in normal use, are subjected to a force applied by means of a circular steel pressure plate with a of 50 mm The force is increased continuously from an initial value of about 250 N up to 750 N within 1 min Maintained at this value, 750 N for 1 min. 2) 3) (A) K K

25 age 25 of 38 Report No After these tests the switch still comply with the requirements of clauses 9 clauses 13 clauses 15 clauses 20 Insulating linings, barriers and the like have not worked loose. Still possible to remove and to replace detachable and other external parts such as cover plates without these parts or their insulating linings being broken actuate the actuating member to provide the appropriate disconnection 18.3 Cord-operated switches are submitted to an additional pull test as follows. Switch mounted as declared by the manufacturer. Table 19 Minimum values of the pull force as in table 19 or 3 times the values of the normal operating force if greater. Minimum values of pull force Rated current Force (N) A Normal direction 45 from normal direction > After test, the switch shows no damage Switches supplied with, or intended to be fitted with actuating members tested as follows. A pull force is applied for 1 min to try to pull off the actuating member normally 15 N. Actuating member intended to be pulled in normal use the force is increased to 30 N A push of 30 N for 1 min is applied to all actuating members Switch intended to have an actuating member but is submitted for approval without pull and push of 30 N are applied to the actuating means Screws, current-carrying parts and connections General requirements for electrical connections Contact pressure is not transmitted through insulating material other than ceramic pure mica other material no less suitable there is visual evidence of sufficient resiliency in the metallic parts to compensate for any possible shrinkage or distortion of the insulating material Requirement not applicable to connections internal to a switch where the connection used for lamps for indicating purposes and where the current in this circuit is 20 ma Screwed connections Screwed connections, electrical or other, withstand the mechanical stresses occurring in normal use