COVER PAGE FOR TEST REPORT

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3 Issue Date: Page 1 of 1 Report Reference # E A6-CB-1 COVER PAGE FOR TEST REPORT Test Item Description: Model/Type Reference: Rating(s): Standards: Applicant Name and Address: Factory Location(s): DIN-Rail Switch Mode Power Supply QS10.XXZ.ZZ, where XX represents the output voltage and can be 12 to 15 or 24 to 28 or 48 to 56 or DNET, Z can be any number. Model QS10.XXZ.ZZ: Input: Vac, 50-60Hz, A; Vdc, A; Output: where XX can be 12-15: Output: 12-15V, A where XX can be 24-28: Output: 24-28V, 10-9A, 252W; where XX can be 48-56: Output: 48-56V, A, 240W; where XX can be DNET: Output: V, 8A :2001, First Edition PULS ELEKTRONISCHE STROMVERSORGUNGEN GMBH ARABELLASTR MUNICH GERMANY PULS EP K.S. UL. ALFONSE MUCHY CHOMUTOV, CZECH REPUBLIC This Report includes the following parts, in addition to this cover page: 1. Specific Technical Criteria 2. Clause Verdicts 3. Critical Components 4. Test Results 5. Enclosures a. National Differences b. Photographs c. Diagrams d. Schematics + PWB e. Licenses All applicable tests according to the above standard(s) have been carried out. Test results are valid only for the tested equipment. This Test Report can be reproduced only in whole. Amendments and corrections can be reproduced only with the original CB Test Report. Written permission from UL International Demko A/S is required if the test report is copied in part. Copyright 2002UL International Demko A/S

4 Issue Date: Page 1 of 58 Report Reference # E A6-CB-1 Report Reference No...: TEST REPORT, First Edition Information technology equipment - Safety - Part 1: General Requirements E A6-CB-1 Tested by (+ signature)...: Thomas Weißbach Authorized by (+ signature)...: Michaela Zielke Supervised by (+ signature ) Paul Zawatson Date of issue...: CB Testing Laboratory...: Address...: UL International Demko A/S Lyskaer 8, 2730, Herlev, Denmark Testing location/procedure...: CBTL [ ] SMT [x] TMP [ ] WMT [ ] Address...: PULS ELEKTRONIK, GMBH, Niederwaldstraße 3, D Chemnitz, Germany Applicant's name...: Address...: Test specification: Standard...: Test procedure : CB Scheme Non-standard test method...: Test Report Form No....: TRF originator...: PULS ELEKTRONISCHE STROMVERSORGUNGEN GMBH ARABELLASTR MUNICH GERMANY :2001, First Edition IEC A SGS Fimko Ltd Master TRF...: dated Copyright 2003 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. Test item description...: DIN-Rail Switch Mode Power Supply Trade Mark...: None Model/Type reference : QS10.XXZ.ZZ, where XX represents the output voltage and can be 12 to 15 or 24 to 28 or 48 to 56 or DNET, Z can be any number. Manufacturer...: PULS ELEKTRONIK, GMBH, Niederwaldstraße 3, D Chemnitz, Germany Rating...: Input: Vac, 50-60Hz, A; Vdc, A;

5 Issue Date: Page 2 of 58 Report Reference # E A6-CB-1 Marking Plate - Refer to Enclosure titled Miscellaneous for copy. Output: where XX can be 12-15: Output: 12-15V, A where XX can be 24-28: Output: 24-28V, 10-9A, 252W; where XX can be 48-56: Output: 48-56V, A, 240W; where XX can be DNET: Output: V, 8A

6 Issue Date: Page 3 of 58 Report Reference # E A6-CB-1 Particulars: test item vs. test requirements Equipment mobility : Operating condition : for building-in continuous Mains supply tolerance (%) : +-15% Tested for IT power systems : Yes IT testing, phase-phase voltage (V) : 240 Class of equipment : Mass of equipment (kg) : 0.9kg Protection against ingress of water : IP X0 Possible test case verdicts: - test case does not apply to the test object : N / A - test object does meet the requirement : P() - test object does not meet the requirement : F(Fail) General remarks: Class I (earthed) 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 a NCB in accordance with IECEE 02. 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 point is used as the decimal separator.

7 Issue Date: Page 4 of 58 Report Reference # E A6-CB-1 General Product Information: Report Summary All applicable tests according to the referenced standard(s) have been carried out. Product Description The product is a Switch Mode Power Supply for DIN-Rail mounting. Model Differences Models are technical identical, except for the differences outlined below: Number: QS10.XXZ.ZZ, where XX can be 24-28; Trafo: TE Output capacitor (C13, C14): 3900µ/35V Output capacitor (C501): 580µ/35V oder 680µ/35V Inductor (L501, L502): LB Rectifier (V15): MOSFET 60V/0R0052 Overvoltage Protection: Primary only QS is identical to basic model QS10.XXZ.ZZ except different terminals Number: QS10.DNET; Trafo: TE Output capacitor (C13, C14): 3900µ/35V Output capacitor (C501): 580µ/35V oder 680µ/35V Inductor (L501, L502): LB Rectifier (V15): MOSFET 60V/0R0052 Overvoltage Protection: Primary only Number: QS10.XXZ.ZZ, where XX can be 48-56; Trafo: TE Output capacitor (C13, C14): 1500µ/63V Output capacitor (C501): 330µ/63V Inductor (L501, L502): LB Rectifier (V15): Diode 10A/150V Overvoltage Protection: Opto (U4) and (N103) Number: QS10.XXZ.ZZ, where XX can be 12 15; Trafo: TE Output circuit (Rectifier, Output capacitor) Output power reduction Additional Information The load conditions have been as follows: Condition A: 24Vdc, 10.0A; Condition B: 28Vdc, 9.0A; Condition C: 48Vdc, 5.0A; Condition D: 48Vdc, 4.3A;

8 Issue Date: Page 5 of 58 Report Reference # E A6-CB-1 12V-15V model: Condition A: 12 Vdc, 15A; Condition B: 15 Vdc, 13.5A Technical Considerations The product was submitted and tested for use at the maximum ambient temperature (Tma) permitted by the manufacturer s specification of: 60 C. 12V model up to 70 C with 75% rated load The means of connection to the mains supply is: Permanently connected (field wired) The product is intended for use on the following power systems: TT, TN, IT, DC mains supply Models: AN and AN have been tested with a power boost of 360W for 4sec at a duty cycle of The normal mouting orientation is: Input downwards, output upwards. Other mounting orientations have been measured at a lower output current of 60%. Refer to heating test table for details. Engineering Conditions of Acceptability When installed in an end-product, consideration must be given to the following: The following Production-Line tests are conducted for this product: Electric Strength, Earthing Continuity The end-product Electric Strength Test is to be based upon a maximum working voltage of: Primary-SELV: 209Vrms, 482Vpk; Primary-Earthed Metal: 300Vrms, 354Vpk; The following secondary output circuits are SELV: All outputs. The following secondary output circuits are at hazardous energy levels: Power Output. The power supply terminals and/or connectors are: Suitable for field wiring The maximum investigated branch circuit rating is: 20 A (15A Europe) The investigated Pollution Degree is: 2 Proper bonding to the end-product main protective earthing termination is: Required, at housing earthing bolt. An investigation of the protective bonding terminals has: Not been conducted The following magnetic devices (e.g. transformers or inductor) are provided with an OBJY2 insulation system with the indicated rating greater than Class A (105 C): T1 (Class F) The following end-product enclosures are required: Fire, Electrical

9 Issue Date: Page 6 of 58 Report Reference # E A6-CB-1 1 GENERAL 1.5 Components General Comply with IEC or relevant component standard Evaluation and testing of components Thermal controls Transformers T Interconnecting cables Capacitors in primary circuits: X-Caps: C505, C1, C40; Y-Caps: C506-C508; Double insulation or reinforced insulation bridged by components General Bridging capacitors Bridging resistors Accessible parts Components in equipment for IT power systems Capacitors rated min. 300Vac. 1.6 Power interface AC power distribution systems Input current Voltage limit of hand-held equipment Neutral conductor

10 Issue Date: Page 7 of 58 Report Reference # E A6-CB Marking and instructions Power rating Rated voltage(s) or voltage range(s) (V): Refer to Cover Page. Symbol for nature of supply, for o.k. Only: Rated frequency or rated frequency range (Hz)... : Refer to Cover Page. Rated current (ma or A)... : Refer to Cover Page. Manufacturer's name or trademark or identification mark... : PULS GmbH Type/model or type reference... : Refer to Cover Page. Symbol for Class II equipment only... : Other symbols... : Certification marks... : UL/c-UL-Recognition Safety instructions Short duty cycles Supply voltage adjustment... : Autoranging Power outlets on the equipment... : Fuse identification... : F501: Cross-Reference to Service Manual. See LOCC for ratings Wiring terminals Protective earthing and bonding terminals... : The earth terminal is marked with the standard earth symbol ( IEC-5019) near the terminal. Protective earthing to be evaluated in the end product Terminal for a.c. mains supply conductors Marked "L" and "N" Terminals for d.c. mains supply conductors Controls and indicators Identification, location and marking... : Colours... : Symbols according to IEC : Markings using figures... :

11 Issue Date: Page 8 of 58 Report Reference # E A6-CB Isolation of multiple power sources... : IT power distribution systems Thermostats and other regulating devices Language... : Durability Unit is for building-in. However markings have been evaluated for durability Removable parts Replaceable batteries Language... : Operator access with a tool... : Equipment for restricted access locations... :

12 Issue Date: Page 9 of 58 Report Reference # E A6-CB-1 2 PROTECTION FROM HAZARDS 2.1 Protection from electric shock and energy hazards Protection in operator access areas To be considered in end-use application Access to energized parts Test by inspection... : Test with test finger... : Test with test pin... : Test with test probe... : Battery compartments... : Access to ELV wiring Working voltage (V); minimum distance (mm) through insulation... : Access to hazardous voltage circuit wiring Energy hazards... : Power output is considered hazardous energy. To be considered in end-use application Manual controls Discharge of capacitors in equipment Time-constant (s); measured voltage (V)... : Time constant less than 1 - second Protection in service access areas Protection in restricted access locations -

13 Issue Date: Page 10 of 58 Report Reference # E A6-CB SELV circuits General requirements Voltages under normal conditions (V)... : All accessible voltages are less than 42.4 Vp or 60 V dc and are classified as SELV Voltages under fault conditions (V)... : Under fault conditions voltages never exceed 71V peak and 120Vdc and do not exceed 42.4V peak or 60V dc for more than 0.2 sec Separation by double insulation or reinforced insulation (method 1) Separation by earthed screen (method 2) Protection by earthing of the SELV circuit (method 3) Connection of SELV circuits to other circuits... : The SELV circuits are not connected to other circuits other than protective earth. 2.3 TNV circuits Limits Type of TNV circuits... : Separation from other circuits and from accessible parts Insulation employed... : Separation from hazardous voltages Insulation employed... : Connection of TNV circuits to other circuits Insulation employed... : Test for operating voltages generated externally

14 Issue Date: Page 11 of 58 Report Reference # E A6-CB Limited current circuits General requirements Limit values Frequency (Hz)... : - Measured current (ma)... : - Measured voltage (V)... : - Measured capacitance (mf)... : Connection of limited current circuits to other circuits 2.5 Limited power sources Inherently limited output Impedance limited output Overcurrent protective device limited output Regulating network limited output under normal operating and single fault condition Regulating network limited output under normal operating conditions and overcurrent protective device limited output under single fault condition Output voltage (V), output current (A), apparent - power (VA):... : Current rating of overcurrent protective device (A) : -

15 Issue Date: Page 12 of 58 Report Reference # E A6-CB Provisions for earthing and bonding Protective earthing Unit is for building-in Functional earthing Protective earthing and protective bonding conductors General Equipment shall be properly bonded over earthing bolt at chassis Size of protective earthing conductors Rated current (A), cross-sectional area (mm2), - AWG... : Size of protective bonding conductors Rated current (A), cross-sectional area (mm2), AWG... : Resistance (Ohm) of earthing conductors and their terminations, test current (A)... : 1 mohm, test done with 40A for 2min from PE input terminal to screw at housing; Additionally 30A, 2min test was conducted for PE trace over L503 with max. resistance of 0.05Ohm Colour of insulation... : No wiring used Terminals General Protective earthing and bonding terminals Rated current (A), type and nominal thread diameter (mm)... : - M4 used at housing Separation of the protective earthing conductor from protective bonding conductors Integrity of protective earthing Interconnection of equipment Components in protective earthing conductors and protective bonding conductors Disconnection of protective earth Parts that can be removed by an operator Parts removed during servicing

16 Issue Date: Page 13 of 58 Report Reference # E A6-CB Corrosion resistance Screws for protective bonding Reliance on telecommunication network or cable distribution system 2.7 Overcurrent and earth fault protection in primary circuits Basic requirements DC Fuse test conducted. Instructions when protection relies on building installation Faults not covered in 5.3 Exception not used Short-circuit backup protection Number and location of protective devices... : F501 located in phase Protection by several devices Warning to service personnel... : 2.8 Safety interlocks General principles Protection requirements Inadvertent reactivation Fail-safe operation Moving parts Overriding Switches and relays Contact gaps (mm)... : Overload test Endurance test Electric strength test Mechanical actuators

17 Issue Date: Page 14 of 58 Report Reference # E A6-CB Electrical insulation Properties of insulating materials Humidity conditioning 96h Humidity (%)... : 94 - Temperature ( C)... : Grade of insulation

18 Issue Date: Page 15 of 58 Report Reference # E A6-CB Clearances, creepage distances and distances through insulation General Determination of working voltage Clearances General Clearances in primary circuit Clearances in secondary circuits Measurement of transient voltage levels Creepage distances CTI tests... : Solid insulation Minimum distance through insulation Thin sheet material Number of layers (pcs)... : min. 3 layer - Electric strength test... : 3000Vac / one layer Printed boards Distance through insulation Electric strength test for thin sheet insulating material... : Number of layers (pcs)... : Wound components Number of layers (pcs)... : Two wires in contact inside wound component; angle between 45 and : Coated printed boards General Sample preparation and preliminary inspection Thermal cycling Thermal ageing ( C)... : Electric strength test... : Abrasion resistance test

19 Issue Date: Page 16 of 58 Report Reference # E A6-CB-1 Electric strength test... : Enclosed and sealed parts... : Temperature T1=T2 = Tma - Tamb +10K ( C)... : Spacings filled by insulating compound... : Electric strength test... : Component external terminations Insulation with varying dimensions 3 WIRING, CONNECTIONS AND SUPPLY 3.1 General Current rating and overcurrent protection To be considered in end-use product Protection against mechanical damage Securing of internal wiring Only PWB connections Insulation of conductors Beads and ceramic insulators Screws for electrical contact pressure Insulating materials in electrical connections Self-tapping and spaced thread screws Min. 2 threads provided Termination of conductors 10 N pull test Sleeving on wiring

20 Issue Date: Page 17 of 58 Report Reference # E A6-CB Connection to an a.c. mains supply or a d.c. mains supply Means of connection Connection to an a.c. mains supply Connection to a d.c. mains supply Multiple supply connections Permanently connected equipment Number of conductors, diameter (mm) of cable and - conduits... : Appliance inlets Power supply cords AC power supply cords Type... : - Rated current (A), cross-sectional area (mm²), - AWG... : DC power supply cords Cord anchorages and strain relief Mass of equipment (kg), pull (N)... : - Longitudinal displacement (mm)... : Protection against mechanical damage Cord guards D (mm); test mass (g)... : - Radius of curvature of cord (mm)... : Supply wiring space

21 Issue Date: Page 18 of 58 Report Reference # E A6-CB Wiring terminals for connection of external conductors Wiring terminals Connection of non-detachable power supply cords Screw terminals Conductor sizes to be connected Rated current (A), cord/cable type, cross-sectional - area (mm²)... : Wiring terminal sizes Rated current (A), type and nominal thread - diameter (mm)... : Wiring terminals design Grouping of wiring terminals Stranded wire 3.4 Disconnection from the mains supply General requirement Disconnect devices Permanently connected equipment Parts which remain energized Switches in flexible cords Single-phase equipment and d.c. equipment Three-phase equipment Switches as disconnect devices Plugs as disconnect devices Interconnected equipment Multiple power sources

22 Issue Date: Page 19 of 58 Report Reference # E A6-CB Interconnection of equipment General requirements Types of interconnection circuits... : ELV circuits as interconnection circuits 4 PHYSICAL REQUIREMENTS 4.1 Stability Angle of 10 Test: force (N)... : 4.2 Mechanical strength General Steady force test, 10 N No terminations or components in question Steady force test, 30 N Tested by inspection Steady force test, 250 N Impact test Fall test Swing test Drop test Stress relief test Cathode ray tubes Picture tube separately certified... : High pressure lamps Wall or ceiling mounted equipment; force (N)... :

23 Issue Date: Page 20 of 58 Report Reference # E A6-CB Design and construction Edges and corners Handles and manual controls; force (N)... : Adjustable controls No user adjustable controls Securing of parts Connection of plugs and sockets Direct plug-in equipment Dimensions (mm) of mains plug for direct plug-in. : Torque and pull test of mains plug for direct plug-in; torque (Nm); pull (N)... : Heating elements in earthed equipment Batteries Oil and grease Dust, powders, liquids and gases Containers for liquids or gases Flammable liquids... : Quantity of liquid (l)... : Flash point ( C)... : Radiation; type of radiation General Ionizing radiation Measured radiation (pa/kg)... : - Measured high-voltage (kv)... : - Measured focus voltage (kv)... : - CRT markings... : Effect of ultraviolet (UV) radiation on materials Part, property, retention after test, flammability classification... : Human exposure to ultraviolet (UV) radiation... : Laser (including LEDs) Only indication LED's provided.

24 Issue Date: Page 21 of 58 Report Reference # E A6-CB-1 Laser class... : Other types... : 4.4 Protection against hazardous moving parts General Protection in operator access areas Protection in restricted access locations Protection in service access areas 4.5 Thermal requirements Maximum temperatures Normal load condition per Annex L... : Rated load used for continious testing Resistance to abnormal heat 4.6 Openings in enclosures Top and side openings Dimensions (mm)... : Bottoms of fire enclosures Construction of the bottom... : Doors or covers in fire enclosures Openings in transportable equipment Adhesives for constructional purposes Conditioning temperature ( C)/time (weeks)... : -

25 Issue Date: Page 22 of 58 Report Reference # E A6-CB Resistance to fire Reducing the risk of ignition and spread of flame Method 1, selection and application of components wiring and materials Method 2, application of all of simulated fault condition tests Conditions for a fire enclosure Parts requiring a fire enclosure Parts not requiring a fire enclosure Materials General Materials for fire enclosures Materials for components and other parts outside fire enclosures Materials for components and other parts inside fire enclosures Materials for air filter assemblies Materials used in high-voltage components

26 Issue Date: Page 23 of 58 Report Reference # E A6-CB-1 5 ELECTRICAL REQUIREMENTS AND SIMULATED ABNORMAL CONDITIONS 5.1 Touch current and protective conductor current General Equipment under test (EUT) Test circuit Application of measuring instrument Test procedure Test measurements Test voltage (V)... : 276Vac, 50Hz; IT: Phase-To- - Phase: 276Vac, 50Hz; Measured touch current (ma)... : max. 0.3mA; IT: max. 0.76mA; - Max. allowed touch current (ma)... : 3.5mA - Measured protective conductor current (ma)... : - Max. allowed protective conductor current (ma)... : Equipment with touch current exceeding 3.5 ma.. : Touch currents to and from telecommunication networks and cable distribution systems and from telecommunication networks Limitation of the touch current to a telecommunication network and a cable distribution system Test voltage (V)... : - Measured touch current (ma)... : - Max. allowed touch current (ma)... : Summation of touch currents from telecommunication networks... : 5.2 Electric strength General Test procedure

27 Issue Date: Page 24 of 58 Report Reference # E A6-CB Abnormal operating and fault conditions Protection against overload and abnormal operation Motors Transformers Functional insulation... : Functional insulation complies with the requirements (a), (b), or (c) Electromechanical components Simulation of faults Unattended equipment Compliance criteria for abnormal operating and fault conditions 6 CONNECTION TO TELECOMMUNICATION NETWORKS 6.1 Protection of telecommunication network service persons, and users of other equipment connected to the network, from hazards in the equipment Protection from hazardous voltages Separation of the telecommunication network from earth Requirements Test voltage (V)... : - Current in the test circuit (ma)... : Exclusions... : 6.2 Protection of equipment users from overvoltages on telecommunication networks Separation requirements Electric strength test procedure Impulse test Steady-state test Compliance criteria

28 Issue Date: Page 25 of 58 Report Reference # E A6-CB Protection of the telecommunication wiring system from overheating Max. output current (A)... : - Current limiting method... : - 7 CONNECTION TO CABLE DISTRIBUTION SYSTEMS 7.1 Protection of cable distribution system service persons, and users of other equipment connected to the system, from hazardous voltages in the equipment 7.2 Protection of equipment users from overvoltages on the cable distribution system 7.3 Insulation between primary circuits and cable distribution systems General Voltage surge test Impulse test A Annex A, TESTS FOR RESISTANCE TO HEAT AND FIRE A.1 Flammability test for fire enclosures of movable equipment having a total mass exceeding 18 kg, and of stationary equipment (see ) A.1.1 Samples... : - Wall thickness (mm)... : - A.1.2 Conditioning of samples; temperature ( C)... : A.1.3 Mounting of samples... : A.1.4 Test flame A.1.5 Test procedure A.1.6 Compliance criteria Sample 1 burning time (s)... : - Sample 2 burning time (s)... : - Sample 3 burning time (s)... : -

29 Issue Date: Page 26 of 58 Report Reference # E A6-CB-1 A.2 Flammability test for fire enclosures of movable equipment having a total mass not exceeding 18 kg, and for material and components located inside fire enclosures (see and ) A.2.1 Samples, material... : - Wall thickness (mm)... : - A.2.2 Conditioning of samples A.2.3 Mounting of samples A.2.4 Test flame A.2.5 Test procedure A.2.6 Compliance criteria Sample 1 burning time (s)... : - Sample 2 burning time (s)... : - Sample 3 burning time (s)... : - A.2.7 Alternative test acc. to IEC , cl. 4, 8 Sample 1 burning time (s)... : - Sample 2 burning time (s)... : - Sample 3 burning time (s)... : - A.3 Hot flaming oil test (see 4.6.2) A.3.1 Mounting of samples A.3.2 Test procedure A.3.3 Compliance criterion

30 Issue Date: Page 27 of 58 Report Reference # E A6-CB-1 B Annex B, MOTOR TESTS UNDER ABNORMAL CONDITIONS(see and 5.3.2) B.1 General requirements Position... : - Manufacturer... : - Type... : - Rated values... : - B.2 Test conditions B.3 Maximum temperatures B.4 Running overload test B.5 Locked-rotor overload test Test duration (days)... : - Electric strength test: test voltage (V)... : - B.6 Running overload test for d.c. motors in secondary circuits B.7 Locked-rotor overload test for d.c. motors in secondary circuits B.7.1 Test procedure B.7.2 Alternative test procedure; test time (h)... : B.7.3 Electric strength test B.8 Test for motors with capacitors B.9 Test for three-phase motors B.10 Test for series motors Operating voltage (V)... : -

31 Issue Date: Page 28 of 58 Report Reference # E A6-CB-1 C Annex C, TRANSFORMERS (see and 5.3.3) Position... : T1 - Manufacturer... : PULS - Type... : TE and TE ; Rated values... : Refer to Enclosures - Method of protection... : Inherently protected - C.1 Overload test C.2 Insulation (see appended table 5.2) Protection from displacement of windings... : Windings suitable secured by tape and/or margin spacer. D Annex D, MEASURING INSTRUMENTS FOR TOUCH-CURRENT TESTS D.1 Measuring instrument D.1 circuit used. D.2 Alternative measuring instrument E Annex E, TEMPERATURE RISE OF A WINDING F Annex F, MEASUREMENT OF CLEARANCES AND CREEPAGE DISTANCES (see 2.10)

32 Issue Date: Page 29 of 58 Report Reference # E A6-CB-1 G Annex G, ALTERNATIVE METHOD FOR DETERMINING MINIMUM CLEARANCES G.1 Summary of the procedure for determining minimum clearances G.2 Determination of mains transient voltage (V) G.2.1 AC mains supply G.2.2 DC mains supply G.3 Determination of telecommunication network transient voltage (V) :... : G.4 Determination of required withstand voltage (V)... : G.5 Measurement of transient levels (V)... : G.6 Determination of minimum clearances... : H ANNEX H, IONIZING RADIATION (see ) J Annex J, TABLE OF ELECTROCHEMICAL POTENTIALS (see ) Metal used... : Aluminium/Zinc alloy. - K ANNEX K, THERMAL CONTROLS (see and 5.3.7) K.1 Making and breaking capacity K.2 Thermostat reliability; operating voltage (V)... : K.3 Thermostat endurance test; operating voltage (V) : K.4 Temperature limiter endurance; operating voltage (V)... : K.5 Thermal cut-out reliability K.6 Stability of operation

33 Issue Date: Page 30 of 58 Report Reference # E A6-CB-1 L Annex L, NORMAL LOAD CONDITIONS FOR SOME TYPES OF ELECTRICAL BUSINESS EQUIPMENT (see and 4.5.1) L.1 Typewriters L.2 Adding machines and cash registers L.3 Erasers L.4 Pencil sharpeners L.5 Duplicators and copy machines L.6 Motor-operated files L.7 Other business equipment M Annex M, CRITERIA FOR TELEPHONE RINGING SIGNALS (see 2.3.1) M.1 Introduction M.2 Method A M.3 Method B M.3.1 Ringing signal M Frequency (Hz)... : - M Voltage (V)... : - M Cadence; time (s), voltage (V)... : - M Single fault current (ma)... : - M.3.2 Tripping device and monitoring voltage... : M Conditions for use of a tripping device or a monitoring voltage M Tripping device M Monitoring voltage (V)... : N Annex N, IMPULSE TEST GENERATORS (see , , and clause G.5) N.1 ITU-T impulse test generators N.2 IEC impulse test generator

34 Issue Date: Page 31 of 58 Report Reference # E A6-CB-1 P Annex P, NORMATIVE REFERENCES Q Annex Q, BIBLIOGRAPHY R Annex R, EXAMPLES OF REQUIREMENTS FOR QUALITY CONTROL PROGRAMMES R.1 Minimum separation distances for unpopulated coated printed boards (see ) R.2 Reduced clearances (see ) S Annex S, PROCEDURE FOR IMPULSE TESTING (see ) S.1 Test equipment S.2 Test procedure S.3 Examples of waveforms during impulse testing T Annex T, GUIDANCE ON PROTECTION AGAINST INGRESS OF WATER (see 1.1.2)... : - U Annex U, INSULATED WINDING WIRES FOR USE WITHOUT INTERLEAVED INSULATION (see )... : -

35 This is an extract of the CB-Scheme report with the most important information. If a complete copy of the report is required, please contact your PULS sales representative.