page 2 of 82 IEC 60950

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3 page 2 of 82 articulars: test item vs. test requirements Equipment mobility...: For building-in Connection to Mains Built in equipment, not intended for direct connection to mains Operating condition...: continuous Rated Voltage...: V a.c. 450 V d.c. 820 V d.c Operational Voltage...: 340 V a.c. 575 V a.c. (Three phase) 450 V d.c. 820 V d.c Test Load...: 24 Vdc, 20 A and 28 Vdc, 17,5 A Air Conditions...: atural convection Maximum ambient temperature...: 60 C. Tested for IT power systems...: Yes IT testing, phase-phase voltage...: 500 V a.c. Class of equipment...: Class I Mass of equipment (kg)...: 1,64 kg Dimensions of Equipment...: 150 mm by 124 mm by 122 mm. rotection against ingress of water.: I20 Test case verdicts Test case does not apply to the test object : /A Test item does meet the requirement...: (ass) Test item does not meet the requirement...: F(ail) Testing Date of receipt of test item...: Date(s) of performance of test...: General remarks This report is not valid as a CB Test Report unless appended to a CB Test Certificate issued by a CB, in accordance with IECEE 02. This report shall not be reproduced without the written approval of the applicant. The test results presented in this report relate only to the item(s) tested. (see remark #)" refers to a remark appended to the report. "(see Annex #)" refers to an annex appended to the report. Throughout this report a comma is used as the decimal separator.

4 page 3 of 82 List of Acceptability/ Summary of Testing Clause Information/Remarks Comments 1.0 Component This component has been judged on the basis of the required spacing in the Standard of Information Technology Equipment, Including Electrical Business Equipment, CA/CSA * UL 60950, Third Edition, which are based on the, Third Edition Connection to the Supply The terminals are suitable for field wiring ollution degree The equipment has been evaluated for use in a ollution Degree 2 environment DC input The unit fulfils the reinforced insulation requirements only, if the unit is supplied by an IT/T mains (AC) and the DC voltage is generated external by a bridge. In case of an independent DC mains the Creepage and clearance has to be evaluated depending of the application. 2.2 SELV circuits The outputs are SELV, hazardous energy level rovisions for earthing and bonding The equipment shall be properly bonded to the main protective earthing roperties of insulating materials The transformer T1 employs an R/C (OBJY2) electrical insulation system Class F Thermal requirements The following components should be given special consideration during end-use Heating test because of temperatures achieved during component level testing: Component: T200 Maximum temperature Achieved 127 C at 60 C ambient Openings in enclosure A suitable Mechanical, Electrical and Fire Enclosure shall be provided.

5 page 4 of 82 ADDITIOAL IFORMATIO DESCRITIO OF EQUIMET UDER TEST The switch mode power supply is intended for DI RAIL mounting. Three 5 by 20 mm fuses are protecting each phase. A inductance provides power factor correction. AME AD ADDRESS OF RODUCTIO-SITES (FACTORIES): See page 1 IFORMATIO ABOUT THE STADARDS / DOCUMETS COSIDERED, 3 rd Edition:1999 E 60950, 3 rd Edition:2000 TESTED ACCORDIG TO ATIOAL REQUIREMETS FOR THE FOLLOWIG COUTRIES: All CEELEC members as listed in E 60950:2000. All CB members as listed in CB Bulletin 99A, July 2001 LIST OF AEDIXES / ECLOSURES TO THE TEST REORT Appendix E 60950: 2000 age 49 GROU DIFFERECES age 59 Australian deviations (including ew Zealand) age 61 Canadian und USA deviations. age 70 Chinese deviations age 75 Israeli deviations age 75 Japanese deviations. age 76 Korean deviations age 80 orwege deviations age 80 Sweden deviations age 82

6 age 5 of 82 1 GEERAL 1.1 SCOE Equipment covered by this standard Additional requirements: The product is within the scope of. Exposure to extreme temperatures, excessive dust, moisture or vibration; to flammable gases; to corrosive or explosive atmospheres Electro medical equipment connected to the patient Equipment used in vehicles, ships or aircrafts, in tropical countries, or at elevations > 2000m Equipment intended for use where ingress of water is possible This equipment is intended to operate in a "normal" environment (Offices and homes). This equipment is not an electro medical equipment intended to be physically connected to a patient. This equipment is intended to operate in a "normal" environment (Offices and homes). This equipment is intended to be used in applications where ingress of water is not regarded possible. The equipment is non-protected according to IEC I-classification (IEC 60529) (I) Minimum I OERATIG CODITIOS ormal load as described in Annex L or as close as possible to the most severe normal use see Load description page Rated operating time as assigned by the manufacturer Continuous operation / Short-time operation/ Intermittent operation The manufacturer has not declared a rated operating time. The equipment is regarded to be for continuous operation.

7 age 6 of COMOETS General Ref. List of Critical Components Evaluation and testing of components Dimensions of mains plug for direct plug-in equipment Additional torque (m) ull () Certified components are used in accordance with their ratings, certifications and they comply with applicable parts of this standard. Components not certified are used in accordance with their ratings and they comply with applicable parts of and the relevant component standard. Components, for which no relevant IEC-standard exists, have been tested under the conditions occurring in the equipment, using applicable parts of. ot a direct plug-in equipment Thermal controls o such component within the equipment (TC within the transformer T200 and L200 was not considered as such component, see fault condition tests) Transformers Transformers used are suitable for their intended applications and comply with relevant parts of this standard and particularly Annex C, see Annex C Transformers Interconnecting cables o interconnecting cables Capacitors in primary circuits Double or reinforced insulation bridged by components Components in equipment for IT power systems X1 or X2 and Y1 or Y2 capacitors according to IEC :1993. o such components bridging double or reinforced insulation. Certified capacitors connected between line and earth, ref. List of Critical Components.

8 age 7 of LIST OF CRITICAL COMOETS See enclosed test results. 1.6 OWER ITERFACE A.C. power distribution systems T and IT, Star and Delta Input current See enclosed test results Test voltage (at each rated voltage or at each end of a rated voltage range) Measured current Refer to enclosed test results Deviation Voltage limit of hand-held equipment (max. 250V) eutral conductor The input current measured is below 1,1 times of the rated current. The equipment is not hand-held. The EUT is a three phase power supply without neutral conductor.

9 age 8 of MARKIGS AD ISTRUCTIOS ower rating The required marking is located on the outside surface of the equipment. Rated voltage(s) or voltage range(s) Symbol for nature of supply for d.c. Rated frequency or frequency range Vac or Vdc The equipment is for a.c. supply. The DC supply voltage is not marked on the unit to avoid confusion. The DC rating is described in the manual Hz Rated current 1,7 1,5 A Manufacturers name, trade mark or identification mark ULS Type / model SL20.T1x Symbol of Class II The equipment is Class I. Other symbols The additional marking does not give rise to misunderstandings. Certification marks Refer to copy of markings Safety instructions Installation instructions for service personnel are provided. Operating instructions Must be checked in the end product Short duty cycles The equipment is intended for continuous operation. M Supply voltage adjustment o voltage selector ower outlets on the equipment o standard power outlet Fuse identification Fuses located in power supply. The rating of the fuses is described in the installation manual Wiring terminals Refer below: rotective earthing and bonding terminals Terminals for a.c. mains supply conductors Terminal for connection of protective bonding conductor is marked with standard earth symbol (IEC o. 5017) near the terminal. The terminal for the Line conductor is marked with the capital letter L Controls and indicators Refer below: Identification, location and marking There are no controls affecting safety Colours For functional indication a LED lights when the equipment is operating Symbols There are no switches in the equipment Marking using figures o controls in the sense of this clause.

10 age 9 of Isolation of multiple power sources Only one connection supplying hazardous voltages and energy levels to the equipment IT power system The following information should be given in the installation instruction: "This product is also designed for IT power distribution system with phase-to-phase voltage V" Thermostats and other regulating devices o thermostats or other regulating devices Language Instructions and markings shall be in a language acceptable for the country where the equipment is to be used Durability The marking withstands required tests Removable parts o removable parts Replaceable batteries o lithium battery in the equipment. Language Operator access with a tool Equipment for restricted access locations The unit is for built in use not operator accessible. Equipment not intended for installation in RAL.

11 age 10 of 82 Copy of the markings (include all relevant equipment markings):

12 age 11 of 82 2 ROTECTIO FROM HAZARDS 2.1 ROTECTIO FROM ELECTRIC SHOCK AD EERGY HAZARDS rotection in operator access areas Refer below: Access to energized parts This is a component level power supply. rotection must be checked in the end product Battery compartments o TV circuits in the equipment Access to ELV wiring o internal wiring at ELV Access to hazardous voltage circuit wiring Built in ower Supply, not intended for direct access Energy hazards The output from the power supply represents an energy hazard. Must be considered for the end product. See test results enclosed Manual controls o shafts of knobs etc. at ELV or hazardous voltage Discharge of capacitors in the primary circuit The capacitance of the input circuit is > 0,1µF. The measurements were performed in worst case condition. Time-constant (s) The time constant is < 1 sec. See enclosed test results rotection in service access areas Checked by inspection, unintentional contact is unlikely during service operations rotection in restricted access locations Equipment not intended for installation in RAL. 2.2 SELV CIRCUITS General requirements SELV limits (at output) are not exceeded under normal condition and after a single fault Voltages under normal conditions Within SELV limits. (see enclosed test results) Voltage under fault conditions Single fault conditions : <60 Vdc Method used for separation Connection of SELV circuits to other circuits Method 1 SELV circuits are only connected to hazardous voltages in secondary circuits, but output does not exceed the limits of SELV in the event of a single failure of a component or shorting of operational insulation not complying with the requirements. 2.3 TV CIRCUITS ; o TV circuits in the equipment. 2.4 LIMITED CURRET CIRCUITS ; o limited current circuits.

13 age 12 of LIMITED OWER SOURCES o limited power source. 2.5 Type of limited power source 2.6 ROVISIOS FOR EARTHIG AD BODIG The built in equipment shall be properly bonded to the main protective earthing rotective earthing The unit is for built in. The enclosure is not intended for operator contact: the enclosure is properly bonded: Warning label for service personnel. Warning label: Functional earthing o functional earthing is provided rotective earthing and protective bonding conductors Refer below: Size of protective earthing conductors Size of protective bonding conductors Resistance of earthing conductors and their terminations ower supply cord not provided. The earthing can be done either via the DI RAIL or via the input connector. The enclosure is connected via the earth trace to the pin of the input connector. From the earth terminal to the chassis : (see below) Test current See enclosed test results Colour of insulation The built in ower Supply does not provide wiring (for earthing Terminals Refer below: rotective earthing and bonding terminals Separation of the protective earthing conductors from protective bonding conductors See list of safety critical components. Approved input terminal used Integrity of protective earthing Refer below: Interconnection of equipment o interconnection of equipment Components in protective earthing conductors and protective bonding conductors Disconnection of protective earth arts that can be removed by an operator There are no switches or overcurrent protective devices in the protective earthing / bonding conductors. The ower Supply is for built in use. o operator removable parts arts removed during servicing rotective earthed parts can not be removed in a way which impair safety Corrosion resistance o risk of corrosion.

14 age 13 of Screws for protective bonding Screws are used to connect E from CB to enclosure. Screw engages more than two threads Reliance on telecommunication network rotective earthing does not rely on a telecommunication network. 2.7 OVERCURRET AD EARTH FAULT ROTECTIO I RIMARY CIRCUITS Basic requirements rotective devices are integrated in the equipment, see also Sub-clause 5.3. Instruction when protection relies on building installation rotective devices are integrated in the equipment Faults not covered in 5.3 Considered Short-circuit backup protection Adequate protective devices umber and location of protective devices There are three fuses in each line conductor within the unit (not operator accessible): F4, F5, F rotection by several devices Each phase is protected. Fuses are located together Warning to service personnel 2.8 SAFETY ITERLOCKS ; o safety interlocks. 2.9 ELECTRICAL ISULATIO roperties of insulating materials either natural rubber, materials containing asbestos nor hygroscopic materials are used as insulation. o driving belts or couplings used Humidity conditioning Humidity treatment performed for 48 h at 91-95%, 30 C Requirements for insulation The insulation complies with sub-clauses 4.5.1, 5.2 and Insulation parameters Application of insulation and working voltage are considered Categories of insulation Insulation is considered to be functional, basic, supplementary, reinforced or double insulation.

15 age 14 of CLEARACES, CREEAGE DISTACES AD DISTACES THROUGH ISULATIO See enclosed test results ominal voltage V a.c. ollution degree II CTI rating CB: III Other parts: (transformer III) General Considered, see the following clauses: Determination of working voltage Considered Clearances See table General Refer below: 10mm air gap between hazardous voltage and accessible conductive parts of enclosure 2mm air gap between hazardous voltage and earthed accessible conductive parts of enclosure ot applicable. ot applicable Clearances in primary circuits See table enclosed Clearances in secondary circuits Only functional insulation in secondary circuits, ref Measurements of transient levels Measurement not relevant Creepage distances See table enclosed Solid insulation Refer below: Minimum distance through insulation Approved optical insulators for reinforced insulation used. See list of safety critical components. Insulation beyond transistors fulfils requirements for basic insulation Thin sheet material Used within the main transformer. See list of critical components and Annex C rinted boards CB does not serve as insulation barrier Wound components Refer to list of safety critical components and Annex C. Two wires in contact inside component Coated printed boards o special coating in order to reduce distances General Refer below: Sample preparation and preliminary inspection

16 age 15 of Thermal cycling Thermal ageing Electric strength test Abrasion resistance test Enclosed and sealed parts For optocouplers, see Appendix Opto Electronic Devices Spacings filled by insulating compound For optocouplers, see Appendix Opto Electronic Devices Component external terminations See Sub-clauses up to and including Insulation with varying dimensions o such transformer used.

17 age 16 of 82 3 WIRIG, COECTIOS AD SULY 3.1 GEERAL Current rating and over current protection rotection against mechanical damage Adequate cross sectional areas on internal wiring. (The CB traces were treated as internal wires to satisfy interpretation of some CB.) Wire ways are smooth and free from edges. Wires are adequately fixed to prevent excessive strain on wire and terminals and avoiding damage to the insulation of the conductors Securing of internal wiring Internal wiring is secured against excessive strain, loosening of terminals and damage to the conductor insulation Insulation of conductors Insulation on internal conductors is considered to be of adequate quality and suitable for the application and the working voltage involved (UL approved primary wiring) Beads and ceramic insulators o beads or similar ceramic insulators on conductors Screws for electrical contact pressure on-metallic materials in electrical connections Self-tapping and spaced thread screws Electrical screw connection is only connecting protective earth to chassis. Metal screw engages more than 2 threads. Screws made of insulating material are not used where electrical connections, including protective earthing, are involved. o contact pressure through insulating material. Thread-cutting or space thread screws are not used for electrical connections Termination of conductors Terminations cannot become displaced so that clearances and Creepage distances can be reduced. 10 force test Sleeving on wiring Sleeves are not used as supplementary insulation. For the transformer construction (tubed outlets) see list of safety critical components.

18 age 17 of COECTIO TO A.C. MAIS SULIES Means of connection Built in ower Supply with approved connector (see list of safety critical components). Only one supply connection Multiple supply connections ermanently connected equipment Appliance inlets o appliance inlet is used ower supply cords ower supply cord is not provided (built in ower Supply) Cord anchorages and strain relief Equipment is not provided with an appliance inlet Mass of equipment, pull Longitudinal displacement 2mm rotection against mechanical damage o sharp points or cutting edges on the equipment surfaces Cord guards The equipment is neither hand-held nor intended to be moved during operation. D = (mm) Test with mass of (g) Radius of curvature of cord Supply wiring space The supply wiring space is satisfactory.

19 age 18 of WIRIG TERMIALS FOR COECTIO OF EXTERAL CODUCTORS Wiring terminals Approved pillar type terminal is used Connection of non-detachable power supply cords Screw terminals Screws do not clamp the external supply wiring Conductor sizes to be connected 0,5-2,5 mm Wiring terminal sizes See list of critical components Wiring terminal design Approved pillar-type terminal used. See list of critical components Grouping of wiring terminals Stranded wire Tested, in compliance with the standard. Tthere is a plastic insulation on the enclosure near input terminal.

20 age 19 of DISCOECTIO FROM THE A.C. MAIS SULY The unit is for built in use and does not provide a disconnect device General requirement See Sub-clause Disconnect devices The unit is a built in ower Supply and does not provide a disconnect device. Contact separation ermanently connected equipment ot permanently connected equipment arts which remain energized Switches in flexible cords o isolating switch in the cord set Single-phase equipment Three-phase equipment Single phase equipment Switches as disconnect devices o switch as disconnect device lugs as disconnect devices Interconnected equipment o interconnections using hazardous voltages Multiple power sources One power source only. 3.5 ITERCOECTIO OF EQUIMET General requirements Considered Types of interconnection circuits SELV circuit or limited current circuit ELV circuits as interconnection circuits o ELV interconnections.

21 age 20 of 82 4 HYSICAL REQUIREMETS 4.1 Stability Refer below: Angle of 10 Unit for building-in. Test: force (20% of the weight of the unit, max. 250) The unit is not floor standing. Test: force (800) The unit is not floor standing. 4.2 MECHAICAL STREGTH General Considered Steady force test, 10 o hazard, ref. To test results enclosed Steady force test, 30 This is a component level power supply. Outer surfaces of the equipment are tested at Steady force test, 250 o external enclosure Impact test Refer below: Fall test Swing test Drop test Drop test not applicable. This is a component level power supply. Outer surfaces intended to form outer enclosure must be tested in the end product. This is a component level power supply. Outer surfaces intended to form outer enclosure must be tested in the end product Stress relief Metal enclosure Cathode ray tubes CRT(s) not used in the equipment High pressure lamps o high-pressure lamps in the equipment Wall or ceiling mounted equipment

22 age 21 of DESIG AD COSTRUCTIO Edges and corners All edges and corners are rounded and/or smoothed Handles and manual controls Adjustable controls Setting of the output voltage is only intended to be done by the service engineer Securing of parts o loosening of parts impairing Creepage distances or clearances is likely to occur Connection of plugs and sockets SELV and TV connectors do not comply with IEC or IEC Direct plug-in equipment ot intended to plug directly into a wall socket-outlet. Torque (m) Heating elements in earthed equipment o heating elements provided Batteries o batteries in the equipment Oil and grease Insulation is not exposed to oil, grease etc Dust, powders, liquids and gases The equipment does not generate ionizing radiation or use a laser, and does not contain flammable liquids or gases Containers for liquids or gases o containers for liquids or gases in the equipment Flammable liquids The equipment does not contain flammable liquid. Quantity of liquid Flash point Radiation o radiation in the sense of this clause is generated.

23 age 22 of ROTECTIO AGAIST HAZARDOUS MOVIG ARTS General rotection in operators access areas o moving parts rotection in restricted access locations ot intended for installation in RAL rotection in service access areas Unintentional contact is not likely in service access areas. 4.5 THERMAL REQUIREMETS Temperature rises See enclosed test results Resistance to abnormal heat See enclosed test results. 4.6 OEIGS I ECLOSURES The unit does not provide electrical enclosure Top and side openings Refer below: Top openings Dimension Front, side and rear openings Dimension The enclosure is not intended to be an electrical enclosure. For dimensions see safety critical component list Bottoms of fire enclosures Doors or covers in fire enclosures Openings in transportable equipment Adhesives for constructional purposes The unit is not regarded as transportable equipment. o barrier secured by adhesive inside enclosure. Conditioning temperature / time C / week(s).

24 age 23 of RESISTACE TO FIRE Reducing the risk of ignition and spread of flame Method 1 is used Conditions for a fire enclosure Component power supply for building-in, fire enclosure must be considered for the end product arts requiring a fire enclosure The fire enclosure is required to cover all parts arts not requiring a fire enclosure The fire enclosure is required to cover all parts Materials Components and materials have adequate flammability classification. Refer to List of Critical Components General Considered Materials for fire enclosure Fire enclosure not provided Materials for components and other parts outside fire enclosures Materials for components and other parts inside fire enclosures Equipment for building in must be considered in the end product. Other materials inside fire enclosure are minimum V-2 material Materials for air filter assemblies o air filters in the equipment Materials used in high-voltage components o parts exceeding 4kV.

25 age 24 of 82 5 ELECTRICAL REQUIREMETS AD SIMULATED ABORMAL CODITIOS 5.1 Touch current and protective conductor current Refer below General Test conducted in accordance with to Equipment under test (EUT) o interconnected equipment or multiple power sources Test circuit Tested for connection to IT power distribution system (also relevant for T or TT power distribution system) Application of measuring instrument Measuring instrument D1 is used Test procedure According to the standard Test measurements See enclosed test results Equipment with touch current exceeding 3.5mA The touch current does not exceed 3,5mA Touch currents to and from telecommunication networks Limitation of the touch current to a telecommunication network ot connected to a telecommunication network. ot connected to a telecommunication network. Test voltage Measured current Max. allowed current Summation of touch currents from telecommunication networks ot connected to a telecommunication network.

26 age 25 of ELECTRIC STREGTH For details see enclosed test results General. Test procedure Considered. 5.3 ABORMAL OERATIG AD FAULT CODITIOS rotection against overload and abnormal operation See enclosed test results Motors There are no motors in the equipment Transformers See Annex C Functional insulation Complies with a) and c) Electromechanical components o electromechanical components in secondary circuits Simulation of faults See the enclosed fault condition tests Unattended equipment See enclosed test results Compliance criteria for abnormal operating and fault conditions Refer below: During the tests o fire or molten metal occurred and no deformation of enclosure during the tests After the tests o reduction of clearance and Creepage distances. Electric strength test is made on basic, supplementary and reinforced insulation. See enclosed test results. 6 COECTIO TO TELECOMMUICATIO ETWORKS o TV circuits in the equipment. AEX A TESTS FOR RESISTACE TO HEAT AD FIRE All materials have suitable flame class, no testing required. AEX B MOTOR TESTS UDER ABORMAL CODITIOS o motors in the equipment.

27 age 26 of 82 AEX C TRASFORMERS osition rimary to Secondary Manufacturer's name ULS Manufacturer's designation T200 Rated values C.1 Short and Overload test See Simulation of Faults enclosed Ferro-resonant transformer Type of thermal cut-out o C.2 Insulation There is a reinforced insulation between primary and secondary windings. recautions taken Insulation is provided between windings consisting of sheet insulation extending beyond the end turns of each layer. Retaining of end turns of all windings Earthing test at 25 A Secured to the soldering pins with wrapping. Comments The tested transformer is in compliance with the attached specification.

28 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 ULS sales representative.