GE Data Sheet CAR1248FP series rectifier Input: 90VAC to 264VAC; Output: 48VDC @ 1200W; 5 VDC @ 0.5A RoHS Compliant Features Universal input with PFC Constant power characteristic 3 front panel LEDs: 1-input;2-output; 3 - fault Remote ON/OFF control of the 48VDC output Remote sense on the 48VDC output No minimum load requirements Redundant parallel operation Active load sharing (single wire) Hot Plug-ability Applications Efficiency: typically 91% @ 50% load 48VDC distributed power architectures Standby 5VDC Auto recoverable OC & OT protection Cellular Base Stations Operating temperature: 0 - 70C (de-rated above 50C) Blade Servers Digital status & control: I2C serial bus Network Equipment EN/IEC/UL60950-1 2nd edition; UL, CSA and VDE Network Attached Storage EMI: class A FCC docket 20780 part 15, EN55022 Meets EN6100 immunity and transient standards Telecom Access Nodes Shock & vibration: NEBS GR-63-CORE, level 3 Routers/Switches Broadband Switches ATE Equipment Description The CAR1248FP series of rectifiers provide highly efficient isolated +48VDC power from worldwide input mains in a compact density of 19W/in3 within a 1U industry standard form factor. The high-density, front-to-back airflow is designed for minimal space utilization and is highly expandable for future growth. I2C communications offers remote control and monitoring capabilities. * † ‡ § ** UL is a registered trademark of Underwriters Laboratories, Inc. CSA is a registered trademark of Canadian Standards Association. VDE is a trademark of Verband Deutscher Elektrotechniker e.V. Intended for integration into end-user equipment. All the required procedures for CE marking of end-user equipment should be followed. (The CE mark is placed on selected products.) ISO is a registered trademark of the International Organization of Standards. February 26, 2013 ©2013 General Electric Company. All rights reserved. GE Data Sheet CAR1248FP series rectifier Input: 90VAC to 264VAC; Output: 48VDC @ 1200W; 5 VDC @ 0.5A Absolute Maximum Ratings Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are absolute stress ratings only, functional operation of the device is not implied at these or any other conditions in excess of those given in the operations sections of the data sheet. Exposure to absolute maximum ratings for extended periods can adversely affect the device reliability. Parameter Symbol Min Max Unit Input Voltage: Continuous VIN 0 264 VAC Operating Ambient Temperature TA -10 701 °C Storage Temperature Tstg -40 I/O Isolation voltage to Frame (100% factory Hi-Pot tested) 85 °C 1500 VAC Electrical Specifications Unless otherwise indicated, specifications apply over all operating input voltage, load, and temperature conditions. INPUT Parameter Symbol Min Typ Max Unit VIN FIN 90 110/230 264 VAC Frequency Range 47 50/60 63 Hz Main Output Turn_OFF VIN 80 VAC IIN 7.9 12.75 AAC IIN 40 Apeak Operational Range Maximum Input Current (IOUT=IO, max) VIN= 180VAC VIN= 100VAC Cold Start Inrush Current (Excluding x-caps, 25C, <10ms, per ETSI 300-132) Efficiency (TAMB=25C, VIN= 230VAC, VOUT= 48VDC, IOUT=IO, max) Power Factor (VIN=230VAC, IOUT=IO, max) Holdup time Vin= 230VAC (VOUT= 48VDC, TAMB 25C, IOUT=IO, max) VIN= 90VAC Early warning prior to loss of DC output below regulation Ride through Leakage Current (Vin= 250VAC, Fin = 60Hz) Isolation Input/Output 91 PF 0.99 T 16.7 20 ms T 2 8.3 ms ms IIN 3 mArms Input/Frame Output/Frame % 3000 VAC 1500 VAC 500 VDC 48VDC MAIN OUTPUT Parameter Output Power 180 – 264 VAC 90 – 132VAC Set point Overall regulation (load, temperature, aging) Ripple and noise2 Turn-ON overshoot 1 2 Symbol W VOUT Min Typ Max Unit 0 - 1200 W 0 47.76 -3 48.00 1000 48.24 +3 540 +3 W VDC % mVp-p % Derated above 50C at 2.5%/C Measured across a 10µf electrolytic and a 0.1µf ceramic capacitors in parallel. 20MHz bandwidth February 26, 2013 ©2013 General Electric Company. 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Page 2 GE Data Sheet CAR1248FP series rectifier Input: 90VAC to 264VAC; Output: 48VDC @ 1200W; 5 VDC @ 0.5A 48VDC MAIN OUTPUT (continued) Parameter Symbol Max Unit 2 40 50 sec ms ms -5 +5 %VOUT 42.8 56 VDC 60 VDC 0 25 20.8 ADC Current limit, Hiccup (programmable level) 110 130 % of FL Active current share -10 +10 % of FL Max Unit Turn-ON delay Remote ON/OFF delay time Turn-ON rise time (10 – 90% of VOUT) Transient response 50% step [10%-60%, 50% - 100%] (dI/dt – 1A/µs, recovery 300µs) Programmable range (hardware & software) Overvoltage protection, latched (recovery by cycling OFF/ON via hardware or software) Output current Vin – high line Vin – low line Min Typ T VOUT 58 IOUT 59 STANDBY OUTPUT Parameter Symbol Set point VOUT Overall regulation (load, temperature, aging) VOUT Ripple and noise Output current Overload protection Isolation Output/Frame Min Typ 5.0 VDC -5 +5 % 50 IOUT 0 mVp-p ADC ADC VDC 0.5 1.5 500 General Specifications Parameter Min Reliability Typ Max 100,000 Service Life 10 Units Notes Hrs Full load, 50C ; MTBF per SR232 Reliability protection for electronic equipment, method I, case III, Yrs Full load, excluding fans Kgs (Lbs) Weight Feature Specifications Unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature conditions. See Feature Descriptions for additional information. Parameter Symbol Min Typ Max Unit 20 µA Remote ON/OFF (Needs to be pulled HI via an external resistor) Logic High (Module ON) IIH Logic Low (Module OFF) VIH 0.7VDD 12 VDC IIL VIL 0 1 0.8 mA VDC Feature Specifications (continued) February 26, 2013 ©2013 General Electric Company. All rights reserved. Page 3 GE Data Sheet CAR1248FP series rectifier Input: 90VAC to 264VAC; Output: 48VDC @ 1200W; 5 VDC @ 0.5A Parameter Symbol Min Typ Max Unit Vprog range Programmed output voltage range Voltage adjustment resolution (8-bit A/D) Vprog Vo Vo 0.364 43.2 3.27 52.8 12 VDC VDC mVDC Output configured to the 48VDC set-point Vprog 4.0 VDC 48V output OFF VI 0.7VDD 12 VDC 48V output ON VI 0 0.8 VDC VI VI 0.7VDD 0 12 0.8 VDC VDC 20 µA VOH 0.7VDD 12 VDC IOL VOL 0 20 0.4 mA VDC 20 µA VOH 0.7VDD 12 VDC IOL 20 mA VOL 0 0.4 VDC 20 µA VOH 0.7VDD 12 VDC Output Voltage programming (Vprog) Equation: VOUT = 43.2 +3.3 (Vprog -0.364) Enable [short pin controlling presence of the 48VDC output] Write protect (Wp) Write protect enabled Write protect disabled INPUT-OK (Needs to be pulled HI via an external resistor) Logic High (Input within normal range) IOH Logic Low (Input out of range) DC-OK ( Internally connected to 3.3V via a 10kΩ resistor) Logic High (Output voltage is present) IOH Logic Low (Output voltage is not present) Over Temperature Warning (Needs to be pulled HI via an external i t ) Logic High (temperature within normal range) Logic Low (temperature is too high) Delayed shutdown after Logic Low transition IOH IOL 20 mA VOL 0 0.4 VDC Tdelay 10 sec Fault (Needs to be pulled HI via an external resistor) Logic High (No fault is present) IOH Logic Low (Fault is present) 20 µA VOH 0.7VDD 12 VDC IOL VOL 0 20 0.4 mA VDC VIL 0 0.1 VDC 20 µA 0.7VDD 12 4 0.4 VDC mA VDC PS Present (Needs to be pulled HI via an external resistor) Logic High (Power supply is not plugged in) Logic Low (Power supply is present) SMBAlert# (Interrupt) (Needs to be pulled HI via an external resistor) Logic High (No Alert - normal) Logic Low (Alert is set) February 26, 2013 IOH VOH IOL VOL 0 ©2013 General Electric Company. All rights reserved. Page 4 GE Data Sheet CAR1248FP series rectifier Input: 90VAC to 264VAC; Output: 48VDC @ 1200W; 5 VDC @ 0.5A Parameter Symbol Min Typ Max Unit Measurement range Io 0 25 ADC Analog output range Vmon 0 5 VDC 5 mADC Output current monitor (Imon) Resolution 0.2 V/A Sourced output current Digital Interface Specifications Parameter Conditions Signal Interface Characteristics Input Logic High Voltage (CLK, DATA) Input Logic Low Voltage (CLK, DATA) Input high sourced current (CLK, DATA) Output Low sink Voltage (CLK, DATA, SMBALERT#) Output Low sink current (CLK, DATA, SMBALERT#) Output High open drain leakage current (CLK,DATA, SMBALERT#) Operating frequency range IOUT=3.5mA Symbol Min VIH VIL 2.1 0 IIH 0 VOL Typ Max Unit 5.5 0.8 VDC VDC 10 μA 0.4 VDC IOL 3.5 mA VOUT=5.5V IOH 0 10 μA Slave Mode FPMB 10 400 kHz 25 ms Measurement System Characteristics Clock stretching February 26, 2013 tSTRETCH ©2013 General Electric Company. All rights reserved. Page 5 GE Data Sheet CAR1248FP series rectifier Input: 90VAC to 264VAC; Output: 48VDC @ 1200W; 5 VDC @ 0.5A Environmental Specifications Parameter Min Max Units Ambient Temperature -103 Typ 70 °C Storage Temperature -40 85 °C Operating Altitude 2250/7382 m/ft 8200/30k m / ft Power Derating with Temperature 2.5 %/°C Power Derating with Altitude 2.0 C/301 m C/1000 ft 55 dbA Non-operating Altitude Acoustic noise Over Temperature Protection Humidity Operating Storage 120/110 30 10 Shock and Vibration acceleration Notes Derated above 50C 50C to 70C Above 2250 m/7382 ft Full load °C Shutdown / restart 95 95 % Relative humidity, non-condensing 6 Grms NEBS GR-63-CORE, Level 3, 20 2000Hz, min 30 minutes Zone NEBS GR-63-CORE, all floors, Seismic Zone 4 Designed and tested to meet NEBS specifications. Earthquake Rating 4 EMC Compliance Parameter AC input AC input immunity Enclosure immunity Criteria Standard Level Test Conducted emissions EN55022, FCC Docket 20780 part 15, subpart J A 0.15 – 30MHz Radiated emissions** EN55022 A 30 – 10000MHz Voltage dips EN61000-4-11 A -30%, 10ms B -60%, 100ms B -100%, 5sec Voltage surge EN61000-4-5 A 4kV, 1.2/50µs, common mode A 2kV, 1.2/50µs, differential mode Fast transients EN61000-4-4 B 5/50ns, 2kV (common mode) Conducted RF fields EN61000-4-6 A 130dBµV, 0.15-80MHz, 80% AM Radiated RF fields EN61000-4-3 A 10V/m, 80-1000MHz, 80% AM ENV 50140 A EN61000-4-2 B ESD 4kV contact, 8kV air ** Radiated emissions compliance is contingent upon the final system configuration. 3 Designed to start at an ambient down to -40°C; meet spec after 30 min warm up period, may not meet operational limits below -10°C. February 26, 2013 ©2013 General Electric Company. All rights reserved. Page 6 GE Data Sheet CAR1248FP series rectifier Input: 90VAC to 264VAC; Output: 48VDC @ 1200W; 5 VDC @ 0.5A Control and Status Analog controls: Details of analog controls are provided in this data sheet under Signal Definitions. Common ground: All signals and outputs are referenced to Output return. These include ‘Vstb return’ and ‘Signal return’. Control Signals Voltage programming (Vprog): An analog voltage on this signal can vary the output voltage from 43.2VDC to 52.8VDC. The equation of this signal is: Interrupt: A TTL compatible status signal. Needs to be pulled HI externally through a resistor. Open collector (HI) on this signal indicates that no Interrupt has been triggered. Serial Bus Communications – CAR1248FPxC The I²C interface facilitates the monitoring and control of various operating parameters within the unit and transmits these on demand over an industry standard I²C Serial bus. All signals are referenced to ‘Signal Return’. Device addressing: The microcontroller (MCU) and the EEPROM have the following addresses: VOUT = 43.2 + 3.3 (Vprog – 0.364) 0.364 < Vprog < 3.27 Device If Vprog is ≥ 4V, or left open the programming signal is ignored and the unit output is set at the setpoint of 48VDC. MCU EEPROM Load share (Ishare): Single wire analog signal between power supplies connected in parallel. The Ishare pins should be tied together for power supplies. No resistors or capacitors should get connected to this pin. Remote ON/OFF: Controls the presence of the main 48VDC output voltage. This is an open collector, TTL level control signal. Logic 1 turns ON the 48VDC output, while a Logic 0 turns OFF the 48VDC output. A turn OFF command either through this signal or firmware commanded would turn OFF the 48V output. Enable: This is a short signal pin that controls the presence of the 48VDC main output. This pin should be connected to ‘output return’ on the system side of the output connector. The purpose of this pin is to ensure that the output turns ON after engagement of the power blades and turns OFF prior to disengagement of the power blades. Write protect (WP): This signal protects the contents of the external EEPROM. When left open the EEPROM is write protected. A LO permits writing to the EEPROM. This signal is pulled HI internally by the power supply. Status signals Output current monitor (Imon): A voltage level proportional to the output current is present on this pin. AC OK: TTL compatible open collector. A (HI) on this signal indicates that the input voltage is present within limits. DC OK: TTL compatible, open collector. A (HI) on this signal indicates that the output voltage is present. 1 1 Address Bit Assignments (Most to Least Significant) 0 1 1 A2 A1 A0 0 1 0 A2 A1 A0 Address lines (A2, A1, A0): Up to eight (8) modules to be addressed on a single I²C bus. The pins are pulled HI internal to the power supply. For a logic LO connect to ‘Output Return’ Serial Clock (SCL): Host generated, this signal needs to be pulled up externally ensuring that rise and fall time timing and the maximum sink current is in compliance to the I²C specification. Serial Data (SDA): This is a bi-directional line that needs to be pulled up externally ensuring that rise and fall time timing and the maximum sink current is in compliance to the I²C specification. Command code: All registers are 16 bits, written as LSB followed by MSB. All A/D’s are 10 bit (1024 steps). All constants can be fine-tuned to compensate for manufacturing tolerances; Name CMD Access Default /Name VOUT IOUT Temperature ON/OFF Ilimit Vset Vprog OT trip OT recover DC_OK_HI DC_OK_LO 00 01 02 03 04 05 06 07 08 09 0A R R R R/W R/W R/W R R/W R/W R/W R/W 48 - STATUS 0B R 0C 0D7C R R/W Over temp warning: TTL compatible, open collector. A (HI) on this signal indicates that temperatures are normal. If an over temperature should occur, this signal changes to LO for 10 seconds prior to shutdown. Unit restarts if internal temperatures recover to normal operational levels. Fault: TTL compatible, open collector. A (HI) on this signal indicates that no faults are present. This signal activates for OTP, OVP, OCP, or AC fault. PS Present: Connected to ‘output return’. Its intent is to indicate to the system that a power supply is present. This signal may need to be pulled HI externally through a resistor. 12 April 2012 R/W R/W Firmware EEPROM ©2012 General Electric Company. All rights reserved. Bits Constant 0.102 0.042 0.005 1 – OFF, 0 – ON 28.6 0.042 48 0.094 VOUT=43.2 + 3.3 (Vprog – 0.364) 120 0.0049 110 0.005 67.5 0.102 28.9 0.102 Input 0 1-LL AC_OK 1 DC_OK 2 OT 3 1-normal Fault 4 Intrpt 5 OV 6 DC_INT 7 Page 7 GE Data Sheet CAR1248FP series rectifier Input: 90VAC to 264VAC; Output: 48VDC @ 1200W; 5 VDC @ 0.5A VOUT [00]: Output voltage read back, returns the voltage on the anode side of the or’ing function, data LSB followed by MSB. The default value is 48VDC Example; readback 01EBh, convert into its decimal equivalent and then multiply by the constant, VOUT = 491 x 0.102 = 50.08VDC IOUT [01]: Output current read back, data LSB followed by MSB. Vprog [06]; Reads back the hardware configured analog voltage program value via i2c. The value can range from 0.364V to 3.27V. Example: set the output to 44VDC. From the equation determine that Vprog = 0.6. The 10bit D/A is set for the range of 0 – 5VDC, therefore with a resolution of 1024 bits each bit is 0.00488V. So the corresponding value to enter is 0.6/0.00488 = 123 decimal. This corresponds to 7Bh. The data should be sent across the bus as LSB [7B] followed by MSB [00]. Example; readback 021Fh, convert into its decimal equivalent and multiply by the constant, IOUT=543 x 0.042 = 22.8A OT trip[07] and OT recover[08]; Configures the OT shutdown and recovery levels. The default values are; Temperature [02]: Temperature read back, data LSB followed by MSB. OT trip: 120C corresponds to 1.03/0.00488 = D3h Example; readback 037Bh, convert into its decimal equivalent and multiply by the xonstant, temp = 891 x 0.0049 = 4.36. In the table below this corresponds to 25C Data Temp C Data Temp C Data Temp C 4.83 4.78 4.72 4.65 4.56 4.46 4.35 4.21 4.06 3.89 -5 0 5 10 15 20 25 30 35 40 3.71 3.51 3.3 3.09 2.88 2.67 2.46 2.25 2.06 1.88 45 50 55 60 65 70 75 80 85 90 1.7 1.54 1.4 1.26 1.14 1.03 0.93 0.84 95 100 105 110 115 120 125 130 Example: Change the recovery temperature to 100C. In the look up table above the corresponding level is 1.54. Divide by the conversion ration, 1.54/0.0049 = 315 dec. Converting to its hex equivalent yields 013B hex. The data should be sent across the bus as LSB [3B] followed by MSB [01]. DC_OK_HI[09] and DC_OK_LO[0A]: Changes the DC_OK signal comparator level. The default values are; DC_OK_HI: 02CDh, corresponding to 67.5V DC_OK_LO: 0133h, corresponding to 28.9V Example: Change the upper level of comparison to 55V. Determine the corresponding register value setting; 55/0.0941 = 584dec. This is equivalent to 0248h. The data should be sent across the bus as LSB [48] followed by MSB [02]. STATUS [0B]: All read backs are two bytes and so read back two bytes but ignore the MSB. ON/OFF [03]: A logic ‘1’ turns OFF the 48V output of the power supply. Ilim [04]: This feature lowers the current limit from the default values of 02A8h (680), corresponding to 28.6A at high line and 0265h (613) corresponding to 25.8A at low line. The delivered output current cannot exceed the maximum power capacity of the unit. Thus, at high line the power supply is limited to 1200W, thus, at 28.6A the output voltage is limited to 41.96VDC, Example: At high line, reduce the current limit to 20A. Compute the data to be sent to the controller; 20 / 0.042 = 476. The hex equivalent of this decimal data is 01DCh. The data should be sent across the bus as LSB [DC] followed by MSB [01]. Vset [05]: Changes the output voltage via i2c, if the Vprog hardware signal is > 4VDC. If the Vprog pin voltage level is < 4VDC, this command is ignored. The output voltage setting must be between 42.8 – 56VDC. The default value is 01FEh, corresponding to 48VDC. Example; set the output to 54VDC. Compute the data to be sent to the controller; 54 / 0.094 = 574. The hex equivalent of this decimal data is 023Eh. The data should be sent across the bus as LSB [3E] followed by MSB [02]. February 26, 2013 OT recover: 110C that corresponds to 1.26/0.0049 = 0102h Firmware [0C]: Reads back the latest firmware revision. MCUeeprom [0D – 7C]: 125 bytes of information may be stored in the EEPROM section of the micro controller starting from register location 0Dh. Each byte of data needs to be stored into its specific register location, one byte at a time. External EEPROM A separate EEPROM, with its own i2c address and with write_protect capability, provides 128 bytes of memory. This is a standard i2c compliant generic EEPROM with a single byte for its memory location. Standard i2c command structure applies. The following FRU_ID information is stored in this EEPROM Start Location Length 00 07 08 0C 0D 1E 1F 7 1 4 1 17 1 1 Value 20 20 20 ©2013 General Electric Company. All rights reserved. Description Serial number, ascii space Date code [YYWW] ascii space Code CAR1248FPBXXXX1A ascii space Revision Page 8 GE Data Sheet CAR1248FP series rectifier Input: 90VAC to 264VAC; Output: 48VDC @ 1200W; 5 VDC @ 0.5A LEDs expander that is accessible via address 0 x 4Eh (A2, A1, A0 are pilled HI). This byte takes the form; Three LEDs are located on the front faceplate. The AC_OK LED provides visual indication of the INPUT signal function. When the LED is ON GREEN the power supply input is within normal design limits. 7 n/s 6 n/s 5 Fault 4 ON/OFF 3 Temp_OK 2 n/s 1 DCOK 0 ACOK n/s – not supported When the DC_OK LED is GREEN the DC output is present. Bits 0, 1, 3, and 5 are ‘read_only’ and are HI [1] during normal operation. The rectifier needs to be biased externally in order to ‘read’ its operational state without the presence of input power. When the FAULT_LED is RED then a fault condition exists and the power supply may not provide output power. The table below further defines these states: Bit 4 is a ‘read/write’ bit that can be used to verify the ON/OFF commanded state or change the commanded output of the rectifier. In order to turn the output OFF this bit needs to be pulled LO [0]. I/O Expander option No PEC support is provided. Standard i2c commands apply. The CAR1248FPx without extended i2c communications (blank under the software option) has a single status/control byte I/O Alarm Table LED Indicator Monitoring Signals Test Condition AC OK DC OK FAULT FAULT DC OK AC OK TEMP OK Normal Operation Low or NO INPUT Green Green OFF OFF OFF OFF High Low High Low High Low High High 3 OVP Green OFF Red Low Low High High 4 Over Current Green OFF Red High Low High High Green Red 5 Over Temp Fault OFF Low Low Note: Test condition #2 has 2 modules working in parallel. One module is running and the other has no AC. High Low 1 2 Connector FCI Berg P/N: 51939-070 Mating connector: FCI Berg P/N: 51915-050 Pin Function Pin Function Pin Function Pin Function A1 Vstb B1 Fault C1 ISHARE D1 VProg A2 Vstb Return B2 I Monitor (IMON) C2 N/C D2 OVP Test Point A3 Signal Return B3 Enable: “0” –ON “1” -OFF C3 Over Temp Warning D3 Remote ON/OFF A4 Write Protect (WP) B4 PS Present C4 I2C Address (A0) D4 DC OK A5 Remote Sense (+) B5 SDA (I2C bus) C5 I2C Address (A1) D5 AC OK A6 Remote Sense (-) B6 SCL (I2C bus) C6 I2C Address (A2) D6 Interrupt P1 Line P2 Neutral P3 Chassis P4 +VOUT P5 Output Return February 26, 2013 ©2013 General Electric Company. All rights reserved. Page 9 GE Data Sheet CAR1248FP series rectifier Input: 90VAC to 264VAC; Output: 48VDC @ 1200W; 5 VDC @ 0.5A Outline Drawing February 26, 2013 ©2013 General Electric Company. All rights reserved. Page 10 GE Data Sheet CAR1248FP series rectifier Input: 90VAC to 264VAC; Output: 48VDC @ 1200W; 5 VDC @ 0.5A Ordering Information Please contact your GE Energy Sales Representative for pricing, availability and optional features. PRODUCT DESCRIPTION PART NUMBER 1200W Front-End +48VOUT Front-End, 5VSTDBY, CAR1248FPXXXZ01A 1200W Front-End +48VOUT Front-End, 5VSTDBY, w/bezel CAR1248FPBXXZ01A 1200W Front-End +48VOUT Front-End, 5VSTDBY , w/bezel, i2c communications CAR1248FPBCXZ01A PART NUMBER DEFINITION GUIDE EXAMPLE CAR 12 48 Power 12 = 1200W Output voltage 48 = 48Vdc FP x x x Options B – bezel C – i2c option R – reverse airflow Vsb – 3 or 5 Type FP – AC; Vo-positive TN – AC; Vo-negative DC - DC TE – AC; high efficiency Z 01 A A – Standard model RTM RoHS Blank – non compliant Y – 5 of 6 compliant Z – 6 of 6 compliant Contact Us For more information, call us at USA/Canada: +1 888 546 3243, or +1 972 244 9288 Asia-Pacific: +86.021.54279977*808 Europe, Middle-East and Africa: +49.89.878067-280 India: +91.80.28411633 www.ge.com/powerelectronics February 26, 2013 ©2013 General Electric Company. All rights reserved. Page 11