RCM Series Data Sheet 150 /300 W DC-DC Converters
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- Amber Miller
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1 Description The RCM Series converters are reliable power supplies for railway and transportation systems. There are 2 input voltage ranges covering all common railway batteries. The output delivers 15 or 3 W at 12 or 24 V. The converters are designed for chassis mounting and exhibit a closed housing. Many options are available, such as an output ORing FET for redundant operation, output voltage adjustment, interruption time of 1 ms (class ST2), shutdown input, and an output voltage monitor controlling a relay (change-over contact). Features RoHS lead-free-solder product 2 input voltage ranges, covering all railway batteries 2 output voltages, 12 and 24 V Closed housing for chassis mounting Extremely high efficiency and high power density Low inrush current 3 connectors: Input, output, auxiliary Overtemperature, overvoltage, overcurrent, and overload protection Many options available Compliant to EN 5155, EN Fire and smoke: compliant to to EN and NFPA 13 Safety-approved to the latest edition of IEC/EN and UL/CSA in process 1 1 pending Table of Contents Page Page Description... 1 Model Selection... 2 Functional Description... 3 Electrical Input Data... 4 Electrical Output Data... 6 Description of Options... 8 Electromagnetic Compatibility (EMC)... 9 Immunity to Environmental Conditions Mechanical Data Safety and Installation Instructions Accessories Copyright 217, Bel Power Solutions Inc. All rights reserved. Page 1 of 14
2 Model Selection Table 1: Model Selection Input voltage Output Power Efficiency Model Options V 1 i min V i cont V 1 i max V o nom I o nom P o nom η 2 min η typ [V] [V] [V] [V] [A] [W] [%] [%] (24) RCM15-12 D, M, Q, F RCM (11) RCM15-12 D, M, Q, F RCM (24) RCM3-12 D, M, Q, F RCM (11) RCM3-12 D, M, Q, F RCM Short time; see table 2 for details 2 Efficiency at T A = 25 C, V i nom, I o nom, V o nom, only option D fitted Part Number Description 11 RCM D M Q Operating input voltage V i cont (continuously): VDC VDC Series... RCM Output power: 15 W W... 3 Nominal output voltage: 12 V V Auxiliary functions and options: Out OK, output voltage adjust, shutdown 1... D Interruption time... M ORing FET... Q Fuse... F 1 Opt. D requires the signal connector. Note: The sequence of options must follow the order above. Note: All models are RoHS-compliant for all six substances. Example: 11RCM15-24DMQ: DC-DC converter, input voltage range 5.4 to V continuously, output providing 24 V / 6.25 A, monitoring relay, output voltage adjust, shutdown input, interruption time 1 ms, integrated ORing FET, operating ambient temperature T A = 4 to 7 C, RoHS-compliant for all six substances. Product Marking Type designation, applicable safety approval and recognition marks, CE mark, pin allocation, and product logo. Available combinations of options: 24/11RCMxxx-xx No option 24/11RCMxxx-xxD Basic communication model 24/11RCMxxx-xxDF Industrial version 24/11RCMxxx-xxDMQ Railway version 24/11RCMxxx-xxDMQF All options Input voltage range and input current, nominal output voltage and current, degree of protection, batch no., serial no., and data code including production site, version (modification status) and date of production. Page 2 of 14
3 Functional Description The converters are designed as active clamp forward converters with a switching frequency of approximately 135 khz. The built-in high-efficient input filter together with a small input capacitance generates very low inrush current of short duration. An antiparallel suppressor diode acts as reverse polarity protection together with the external circuit breaker or fuse. The circuitry providing the interruption time (opt. M) is located after the input filter. The rectification on the secondary side is provided by synchronous rectifiers, in order to keep the losses as low as possible. The output voltage control logic is located on the secondary side and influences the primary logic through magnetic feedback. An auxiliary converter supplies all circuits with a stable bias voltage. An output ORing FET is available (option Q) and allows for a redundant power supply system. If there are no external circuit breakers, it is possible to order the converter with incorporated fuse (opt. F). Because this fuse is not accessible, a serial diode provides the reverse polarity protection (only with option F or M). Opt. D encompasses an additional signal connector and allows for output voltage adjust and a primary shutdown. An output voltage monitor controls a relay with a change-over contact. The converter is mounted onto a base plate, which acts as heat sink. An additional heatsink for air cooling is available as accessory. R R R R+ JM194c SD SD Vi+ Fuse (option F) NTC 1 Primary control logic Opt. M Isolation Isolated driver Secondary control logic NTC OK1 OK2 OK Vi Input filter C hu + Opt. Q Output filter Vo+ Vo PE C y Auxiliary converter C y C y Auxiliary connector (only with option D) 1 Reverse protection diode, only fitted with opt. F or M Fig. 1 Block diagram Page 3 of 14
4 Electrical Input Data General Conditions: T A = 25 C, unless T C is specified. R input not connected Table 2a: Input data of RCM15 Input 24RCM15 11RCM15 Unit Characteristics Conditions min typ max min typ max V i Operating input voltage I o = I o max 16.8 (24) (11) V T C min T C max V i 2s for 2 s without shutdown V i nom Nominal input voltage 24, 36 72, 96, 11 V i abs Input voltage limits 3 s without damage I i Typical input current V i nom, I o nom 1.5 A P i No-load input power V i min V i max, I o = W P i SD Idle input power V i min V i max, V SD = V C i Input capacitance 1 1 µf R i Input resistance 1 mω I inr p Peak inrush current V i = V, I o nom 2 A t inr d Duration of inrush current 1 ms t on Start-up time at switch on V i min, I o nom 1 1 Start-up time after removal V i min 16.8 V, I o nom 3 3 of shutdown V SD = 5 V Table 2b: Input data of RCM3 Input 24RCM3 11RCM3 Unit Characteristics Conditions min typ max min typ max V i Operating input voltage I o = I o max 16.8 (24) (11) V T C min T C max V i 2s for 2 s without shutdown V i nom Nominal input voltage 24 (36) (72) (96) 11 V i abs Input voltage limits 3 s without damage I i Typical input current V i nom, I o nom 3 A P i No-load input power V i min V i max, I o = 5 W P i SD Idle input power V i min V i max, V SD = V 1 C i Input capacitance 1 12 µf R i Input resistance mω I inr p Peak inrush current V i = V, I o nom A t inr d Duration of inrush current ms t on Start-up time at switch on V i min, I o nom 1 1 Start-up time after removal V i min 16.8 V, I o nom 3 3 of shutdown V SD = 5 V 1 Not smoothed by the inrush current limiter at start-up (for inrush current calculation) 2 Typ. value at V i max. At lower V i, the idle and low-load input power is smaller. Page 4 of 14
5 Input Transient and Reverse Polarity Protection A suppressor diode and a symmetrical input filter form an effective protection against input transients, which typically occur in most installations, but especially in battery-driven mobile applications. If the input voltage has the wrong polarity, an antiparallel diode will cause the external input circuit breaker or fuse to trip. If the fuse is incorporated (opt. F), a serial diode prevents reverse current. Input Under-/Overvoltage Lockout If the input voltage is out of range, an internally generated inhibit signal disables the converter to avoid any damage. reach stable operating conditions. Worst case conditions are at lowest V i and highest output power P o. Recommended values for C ext for different batteries are listed in table 3, which should allow for stable operation up to an input inductance of 2 mh. C i is specified in table 2. Efficiency The efficiency depends on the model and on the input voltage. η [%] 1 V i = 5 V 11RCM15-12DMQ V i = 11 V JM217 JM85d 9 + L ext R ext Vi+ R i Converter Vo+ 8 V i = 137 V C ext C i r i Load 7 Fig. 2 Input configuration Vi Vo Inrush Current and Stability with Long Supply Lines The converter operates with relatively small input capacitance C i resulting in low inrush current of short duration. If a converter is connected to the power source through supply lines with reasonable length, no additional measures are necessary to ensure stable operation. Only in the case of very long supply lines exhibiting a considerable inductance L ext, an additional external capacitor C ext connected across the input pins improves the stability and prevents oscillations. Actually, an RCM Series converter with its load acts as negative resistor r i, because the input current I i rises, when the input voltage V i is decreased. It tends to oscillate with a resonant frequency determined by the line inductance L ext and the input capacitance C i + C ext, damped by the resistor R ext. The whole system is not linear at all and eludes a simple calculation. One basic condition is given by the formula: L ext P o max dv C i i + C ext > ( r i = ) R ext V i min ² di i R ext is the series resistor of the voltage source including supply lines. If this condition is not fulfilled, the converter may not Table 3: Recommended values for the capacitor C ext V B nom RC15 RCM3 Rated voltage 24 V 15 µf 3 µf 4 V 36 V 1 µf 2 µf 63 V 72 V 22 µf 44 µf 125 V 11 V 1 µf 2 µf 2 V 6 η [%] V i = 5 V P / P o o nom Fig. 3a Efficiency versus V i and P o (11RCM15-12) 11RCM15-24DMQ V i = 11 V V i = 137 V P / P o o nom Fig. 3b Efficiency versus V i and P o (11RCM15-24) η [%] V i = 5 V 11RCM3-24DMQ V i = 11 V V i = 137 V JM21a JM P / P o o nom Fig. 3c Efficiency versus V i and P o (11RCM3-24) Page 5 of 14
6 Electrical Output Data General Conditions: T A = 25 C, unless T C is specified. R input not connected Table 4a: Output data of RCM15 Output 12 V 24 V Unit Characteristics Conditions min typ max min typ max V o Output voltage 1 V i nom,.5 I o nom V V ow Worst case output V i min V i max voltage T C min T C max, I o nom V o droop Voltage droop 2 4 mv/a V o P Overvoltage protection V V o L Overvoltage shutdown I o nom Nominal output current A I o L Output current limit T C min T C max v o Output Switch. frequ. V i nom, I o nom 4 8 mv pp noise 3 Total incl. spikes BW = 2 MHz 6 12 v o d Dynamic Voltage V i nom 7 1 load deviation I o nom t 4 regulation d Recovery time 5 5 ms α Vo Temp. coefficient of V o (NTC) I o nom, T C min T C max.2.2 %/K Table 4b: Output data of RCM3 Output 12 V 24 V Unit Characteristics Conditions min typ max min typ max V o Output voltage 1 V i nom,.5 I o nom V V ow Worst case output V i min V i max voltage T C min T C max, I o nom V o droop Voltage droop mv/a V o P Overvoltage protection V V o L Overvoltage shutdown I o nom Nominal output current A I o L Output current limit T C min T C max v o Output Switch. frequ. V i nom, I o nom 8 mv pp noise 3 Total incl. spikes BW = 2 MHz 12 v o d Dynamic Voltage V i nom load deviation I o nom t 4 regulation d Recovery time 5 5 ms α Vo Temp. coefficient of V o (NTC) I o nom, T C min T C max.2.2 %/K 1 If the output voltage is increased above V o nom through R-input control, the output power should be reduced accordingly, so that P o max and T C max are not exceeded. 2 Breakdown voltage of the incorporated suppressor diode at 1 ma. Exceeding this value might damage the suppressor diode. 3 Measured according to IEC/EN 6124 with a probe described in annex A 4 Recovery time until V o returns to ±1% of V o ; see fig No overshoot at switch on. 6 Output overvoltage protection by an electronic circuitry. Page 6 of 14
7 Output Voltage Regulation Line and load regulation of the output is so good that input voltage and output current have virtually no influence to the output voltage. V o V o nom.98.5 V o I o /I o nom 1.5 V od t d V o ±1% V o ±1% V od 1 µs 1 µs Fig. 4 Typical dynamic load regulation of output voltage Thermal Considerations t d 512c A temperature protection is incorporated in the primary and secondary control logic each. Output Current Limitation The output is continuously protected against open-circuit (no load) and short-circuit by an electronic current limitation with rectangular characteristic; see fig. 5. t t Fig. 5 Rectangular current limitation of single-output models Parallel and Series Connection The outputs of max. 5 RCM Series converters may be connected in series without restrictions. Note: If the sum of the output voltages is greater than 6 V, it cannot be considered being SELV (Safety Extra Low Voltage) according to the safety standards. Parallel operation is only recommended for redundant systems (option Q). To ensures proper current sharing, the load lines should have equal length and section. The output voltage exhibits a slight droop characteristic, which facilitates current sharing. In addition, the output voltage tends to be lowered with increasing temperature. Redundant Systems For redundant systems, we recommend the options Q and D, see Options. LED Indicator JM I ol I o nom I o The converters exhibit a green LED "Out OK", signaling that the output voltage is within the specified range. Page 7 of 14
8 Description of Options Option D: Output Monitor, Output Adjust, Shutdown Option D consists of several auxiliary functions and encompasses an additional auxiliary connector. Output Voltage Adjust (R) Note: With open R-input, V o = V o nom. The converter allows for adjusting the output voltage in the range of 8 to 15% of V o nom. The adjust is accomplished by an external resistor R ext1 or R ext2, connected to the R-input; see fig. 6. Depending on the value of the required output voltage, the resistor shall be connected: either: Between the R-pin and R to adjust the output voltage to a value below V o nom : V o R ext1 4 kω 15.8 kω V o nom V o Note: R ext1 = Ω reduces V o to 8%. or: Between the R-pin and R+ to adjust the output voltage to a value greater than V o nom : (V o 2.5 V) R ext2 4 kω 682kΩ 2.5 V (V o /V o nom 1) Note: R ext2 = Ω increases V o to 15%. Primary Shutdown (SD) The output of the converter may be enabled or disabled by a logic signal (e.g. CMOS) applied between the shutdown pin SD and SD (= Vi ). If the shutdown function is not required, pin SD can be left open-circuit. Voltage on pin SD: Converter operating: 12 to 154 V or open-circuit Converter disabled: 2 to +2 V The output response is shown in fig. 7. Note: In systems consisting of several converters, this feature may be used to control the activation sequence by logic signals or to enable the power source to start up, before full load is applied. Interruption Time (M) The interruption time t hu is specified in the railway standard EN 5155 clause : Class S2 is 1 ms. It is measured at V B nom (nominal battery voltage) for interruption and shortcircuit of the input. After such an event, the system is ready for the next event after 1 s. Fig. 7 shows the output voltage V o, if option M is fitted. For less critical applications, option M is not required (class S1, no interruption time). V o /V o nom 1.1 t d on t on t r t hu t off t f Vi+ Bias JM kω R+ SD 1 Vi V ref = 2.5 V + 4 kω Control logic 15.8 kω R R Vo R ext2 R ext1 JM193a Fig. 7 Typical output response to the SD-signal. If option M is not fitted, t hu = ms. t Fig. 6 Output voltage control via R-input Output Voltage Monitor (D) The output voltage V o is monitored. When V o is in range, a relay with a change-over contact is activated. Note: The trigger levels are typ. ±5 % of V onom (with open R-input). Data of relay contacts:.4 A /15 VDC or 1 A /25 VAC Page 8 of 14
9 ORing FET (Q) for Redundant Systems The outputs of 2 parallel connected converters are separated with ORing diodes (built by FETs). If one converter fails, the remaining one must be capable to still deliver the full power to the load. If more power is needed, the system may be extended to more parallel converters (n+1 redundancy). Current sharing must be ensured by load lines of equal section and length. In addition, a slight droop characteristic of the output voltage and a negative temperature coefficient are helpful as well. To keep the losses as small as possible, the ORing diode is replaced by a FET. The voltage drop is approx. 22 mv (not dependent of I o ). Note: In the case of a failing converter, the output voltage is maintained by the redundant converters. However, the failing item should be identified and replaced. We recommend the Out OK function (option D). Incorporated Fuse (F) The railway standard EN 5155 bans fuses in the converters. Consequently, the installer must preview an external fuse or circuit breaker. However, when this is not possible, we offer an incorporated fuse. This fuse is not accessible and will not trip, except if the converter is defect. Note: Converters with option F and option Q are protected against input reverse polarity by a series diode. Table 5: Recommended for external fuses Converter Fuse specification Ordering number 24RCM15-12, A fast acting BEL 3AB (P) 15-R 24RCM3-12, A fast acting Littlefuse RCM15-12, A fast acting BEL 3AB (P) 5-R 11RCM3-12, A fast acting BEL 3AB (P) 8-R Electromagnetic Compatibility (EMC) Electromagnetic Immunity Table 6: Electromagnetic immunity (type tests) Phenomenon Standard Level Coupling Value Waveform Source Test In Perf. mode 1 applied imped. procedure oper. crit. 2 Electrostatic IEC/EN 4 3 contact discharge 6 V p 1/5 ns 33 Ω 1 positive and yes A discharge negative air discharge 8 V p (to case) discharges Electromagnetic IEC/EN x 4 antenna 2 V/m AM 8% /1 khz n.a. 8 8 MHz yes A field antenna 2 V/m AM 8% /1 khz n.a. 8 1 MHz yes A 1 V/m 14 2 MHz 5 V/m 2 27 MHz 3 V/m 51 6 MHz Electrical fast IEC/EN 3 6 capacitive, o/c ±2 V p bursts of 5/5 ns 5 Ω 6 s positive yes A transients/burst /5 khz over 6 s negative 3 i/c, +i/ i 15 ms; burst transients per direct period: 3 ms coupling mode Surges IEC/EN 3 9 i/c ±2 V p 1.2/5 µs 42 Ω 5 pos. and 5 neg. yes A µf surges per +i/ i ±1 V p coupling mode Conducted IEC/EN 3 1 i, o, signal wires 1 VAC AM 8% 15 Ω.15 8 MHz yes A disturbances (14 dbµv) 1 khz 1 i = input, o = output, c = case 2 A = normal operation, no deviation from specs.; B = normal operation, temporary loss of function or deviation from specs possible 3 Exceeds EN :215 table Corresponds to EN :215 table Corresponds to EN :215 table 6.2 (compliance with digital mobile phones). 6 Corresponds to EN :215 table Covers or exceeds EN :215 table Corresponds to EN :215 table 5.1(radio frequency common mode). Page 9 of 14
10 Electromagnetic Emissions The conducted emissions (fig. 9) have been tested according to EN 5511 (similar to EN 5522, much better values than requested by EN :215, table 1.1). The limits in fig. 9 apply to quasipeak values, which are always lower then peak values. Radiated emissions have been tested according to EN 5511 (similar to EN 5522), class A, as requested in EN :215, table 3.1. The test is executed with horizontal and vertical polarization. The worse result is shown in fig. 9. dbµv 11RCM15-24DMQF; Vi = 11 V, Vo = 24 V; Io = 6.25 A Class A, 3-Oct EN 5511 A qp EN 5511 A av JM Fig. 8 11RCM15-24: Typ. disturbance voltage at the input (V i = 11 V, I i nom, resistive load, quasi peak and average) dbµv/m 6 VUS EMC Labatory, 11RCM15-24DMQF; Vi = 11 VDC, Vo = 24 V / 6.25 A Testdistance 1 m, Class A, 3-Oct-216; ESVS 3, Rhode & Schwarz JM MHz Fig. 9 11RCM15-24: Typ. radiated disturbances in 1 m distance (V i = 11 V, I i nom, resistive load, quasi peak). Page 1 of 14
11 Immunity to Environmental Conditions Table 7: Mechanical and climatic stress. Air pressure 8 12 hpa Test method Standard Test conditions Status Db Damp heat test, EN 5155:27, clause Temperature: 55 C and 25 C Converter cyclic IEC/EN Cycles (respiration effect): 2 not Duration: 2 24 h operating Bd Dry heat test EN 5155:27, clause Temperature: 7 C Converter steady state IEC/EN Duration: 6 h operating Ad Cooling test EN 5155:27, clause Temperature, duration 4 C, 2 h Conv. not steady state IEC/EN Performance test +25 C operating -- Low temperature EN 5155:27, clause Temperature, duration 4 C, 16 h Conv. not storage test IEC/EN then start-up operating Ka 1 Salt mist test EN 5155:27, clause Temperature: 35 ±2 C Converter sodium chloride IEC/EN Duration: 16 h not (NaCl) solution class ST2 operating -- Shock EN 5155:27 clause Acceleration amplitude: 5.1 g n Converter EN sect. 1, class B, Bump duration: 3 ms operating body mounted 1 Number of bumps: 18 (3 in each direction) -- Simulated long life EN 5155:27 clause Acceleration spectral density:.2 g 2 n /Hz Converter testing at EN sect. 8 and 9, Frequency band: 5 15 Hz operating increased random class B, body mounted 2 Acceleration magnitude:.8 g n rms vibration levels Test duration: 15 h (5 h in each axis) 1 This test is not mandatory in EN It was not yet executed. 2 Body mounted = chassis of a railway coach Temperatures Table 8: Temperature specifications, valid for an air pressure of 8 12 hpa (8 12 mbar) Temperature EN 5155 Class TX Unit Characteristics Conditions min max 1 min. T A Ambient temperature Converter operating C T C Case temperature T S Storage temperature Not operational Over temperature shutdown 2 Measured at the measurement point T C ; see Mechanical Data. Reliability Table 9: MTBF and device hours Ratings at specified Model MTBF Demonstrated hours case temperature between failures 1 Accord. to IEC RCM Statistical values, based upon an average of 43 working hours per year and in general field use over 5 years; upgrades and customer-induced errors are excluded. Page 11 of 14
12 Mechanical Data Dimensions in mm JM25a European Projection JM23a (4x) Measuring point of case temperaturet C (4x) Measuring point of case temperaturet C Fig. 1 Case RCM1, weight approx. 52 g, Aluminum, EP-powder coated Fig. 11 Case RCM2, weight approx. 82 g, Aluminum, EP-powder coated Page 12 of 14
13 Safety and Installation Instruction Connectors and Pin Allocation of RCM15 - Input connector, 3 pins: Wago : Vi+, Vi, PE; recommended wire section: mm 2, AWG - Output connector, 2 pins: Wago : Vo+, Vo ; recommended wire section: mm 2, AWG - Auxiliary connector: Phoenix Contact ; recommended wire section: mm 2, AWG; pin allocation see fig. 12. Vo+ Vo Fig. 12 Pin allocation of RCM15 Connectors and Pin Allocation of RCM3 - Input connector, 3 pins: Wago : Vi, Vi+, PE recommended wire section: mm 2, 14 1 AWG - Output connector, 2 pins: Wago /6, Vo, Vo+ recommended wire section: mm 2, 14 6 AWG - Auxiliary connector: Phoenix Contact ; recommended wire section: mm 2, AWG; pin allocation see fig. 13. Vo+ Vo Fig. 13 Pin allocation of RCM3 R R+. R R n.c. n.c. OK OK1 OK OK2 n.c. n.c. SD SD R R+. R R n.c. n.c. OK OK1 OK OK2 n.c. n.c. SD SD Vi Vi+ PE Vi Vi+ PE Installation Instruction These converters are components, intended exclusively for inclusion by an industrial assembly process or by a professionally competent person. Installation must strictly follow the national safety regulations in respect of the enclosure, mounting, creepage distances, clearances, markings and segregation requirements of the end-use application. Connection to the system shall only be effected with cables with suitable section (primary and secondary connector in cage clamp technique). The auxiliary connector shall be connected via the suitable female connector; see Accessories. Other installation methods may not meet the safety requirements. Check that PE is safely connected to protective earth. No fuse is incorporated in the converter (except for option F). An external circuit breaker or a fuse in the wiring to one or both input pins. Do not open the converters, or the warranty will be invalidated. Make sure that there is sufficient airflow available for convection cooling and that the temperature of the bottom plate is within the specified range. This should be verified by measuring the case temperature at the specified measuring point, when the converter is operated in the end-use application. T C max should not be exceeded. Ensure that a failure of the converter does not result in a hazardous condition. Standards and Approvals The RCM Series converters are approved according to the safety standards IEC/EN and UL/CSA nd Ed. They have been evaluated for: Class I equipment Building in Double or reinforced insulation based on 25 VAC or 24 VDC between input and output, and between input and the relay contacts (OK, OK1, OK2). Pollution degree 2 environment The converters are subject to manufacturing surveillance in accordance with the above mentioned UL standards and with ISO 91:28. Table 1: Isolation Characteristic Input to Output OK contacts to Unit output 1 case+output to case input case outputs Electric Factory test >1 s kvdc strength AC test voltage equivalent test to actual factory test kvac Insulation resistance >3 2 >3 2 >1 >3 >3 >3 MΩ Creepage distances mm 1 Pretest of subassemblies in accordance with IEC/EN Tested at 5 VDC Page 13 of 14
14 Cleaning Liquids and Protection Degree The converters are not hermetically sealed. In order to avoid possible damage, any penetration of liquids shall be avoided. The converters correspond to protection degree IP 2. Railway Applications The RCM Series converters have been designed observing the railway standards EN 5155:27 and EN 5121:215. All boards are coated with a protective lacquer. The converters comply with the fire & smoke standard EN 45545, HL1 to HL3. Voltage Withstand Test The electric strength test is performed in the factory as routine test in accordance with EN 5514 and IEC/EN 695 and should not be repeated in the field. The Company will not honor warranty claims resulting from incorrectly executed electric strength tests. Accessories Female Connector A suitable female connector is available. Fig. 14 Female connector 14 pins, HZZ145-G Additional Heatsink A suitable heat sink for air cooling is available, if cooling by wall or a chassis mounting is not possible; see fig. 15. Fig. 15 Additional heatsink for RCM 15 NUCLEAR AND MEDICAL APPLICATIONS - These products are not designed or intended for use as critical components in life support systems, equipment used in hazardous environments, or nuclear control systems. TECHNICAL REVISIONS - The appearance of products, including safety agency certifications pictured on labels, may change depending on the date manufactured. Specifications are subject to change without notice. Copyright 217, Bel Power Solutions Inc. All rights reserved. Page 14 of 14
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