The power supply for the system,with the following featuresand functions: 1、Input range 90-286Vac, 53.5Vdc output, PFC, Self contains MCU. 2、The parameter can be controlled by the supervisory monitoring unit through RS485. 3、It features input over/under voltage protection, output over current protection, output overvoltage protection, output short circuit protection, N+1 redundancy and current sharing. 4、It is in compliant with TUV . 1.3 Main specifications Model OutputVoltage（Vdc） Output Current Range（A） Output Voltage Range（Vdc） Ripple(p-p) （Rated Load, Width Limited20MHz） EPA-A30H 53.5 0—30 42—58 200mV 2. Model definitions 2.1 Model comparison External model Internalmodels EPA-A30H EPA-A30H 3. PIN definition： PIN  Signal Remark A1、A2、B1、B2 L AC input A4、A5、B4、B5 N AC input A8 to A11 B8 to B11 PE Protection ground A13 to A21 48V+ DC+ A22 Pre-Charge B13 to B22 48V- DC- A23 NC A24 NC B23 NC B24 NC B25 SHARE+ Module current share A25 NC A26 PS-enable Before powermust beshorted to GND，make sure themoduleis enabled B26 PS-present A27 GND B27 ADDR0 Address line A28 ADDR1 B28 ADDR2 A29 5V+ RS485 power+ A30 5VGND RS485 power- B29 RS485+ Communication wire B30 RS485- Communication wire 4. Environmental Conditions  4.1 Working conditions No. Items Technical Specifications Unit Remarks 1 Operating Temperature -33—+65 ℃ -40℃full load start up，+55~+65℃derating 20% in linearity. 2 Relative Humidity 5—90 % No condensation 3 Altitude 0-5000 m derate1℃with every 200 meters’ rising at 2000-5000m 4 Cooling Forced cooling,Draw air from the front and exhausts heat from the behind and this module has temperature-sensing timing function. 4.2 Storage Conditions No. Items Technical Specifications Unit Remarks 2 Storage Temperature -40—+70 ℃ 3 Relative Humidity 5—95 % No condensation 4 Altitude 0-5000 m derate1℃with every 200 meters’ rising at 2000-5000m 4.3.1Input Characteristics No. Item Technical Requirement Unit Remark 1 Rated input voltage 200—240 Vac Max AC input voltage 310VAC(static state),no damage to the unit for long time AC Input voltage range 90—290 2 Frequency 45—65(typical 50/60) Hz 3 PFC ≥0.99 Rated input, rated load 4 Power transformation point 170-174 Vac The details refer to power transform characteristic curve diagram 5 Max input current 15 A Low voltage full load 6 Inrush current ≤30 A 264Vac 4.3.2Output Characteristics No. Item Technical Requirement Unit Remark 1 Output voltage range adjustable 42—58 Vdc Operate through the monitoring unit (testing condition：empty load) 2 Rated output voltage 53.5±0.5 Vdc Input220Vac 3 Output power 1605 W 154—286Vacinput 802 W 90—154Vac input 4 Efficiency ≥94%  220Vac/rated load current ≥88% 110Vac/rated load current 5 Temperature coefficient ≤±0.02 %/℃ 6 Ripple and noise ≤200 mVp-p Oscillograph band width is 20MHz.Parallel 10u+104 Capacitor with probe 7 Starting up output delay 3—8 S 0VDCfrom rated input voltage to42VDC 8 Turn on/off overshoot amplitude ≤±5 % 9 Dynamic response Overshoot range △V：≤±5 % Load change at 25%—50%—25% or 50%—75%—50%, jumping rate is0.1A/us; and the jumping period is 4ms; the two half periods are the same Recovery time  △t:≤200 µS 10 Combined regulation ≤±1% 11 Current sharing imbalance ≤±5% % At the range of 50～100％load 4.3.3 Protection Characteristics No. Item Technical Requirement Unit Remark 1 Input under voltage protection point ≤85 Vac Can auto recover, 2 Input under voltage recovery point ≤88 Vac The return difference≥5V 3 Input over voltage protection ≥295 Vac Can auto recover Output Current0A（Test by AC SOURCE+ booster） 4 Input over voltage recovery point ≥286 Vac The return difference≥5V 5 Input over current protection              － － The AC input L and N wire have fuse 6 Output over voltage protection point 58.5—60.5 Vdc Constant voltage 7 Output current limit protection point          31≤I≤34 A Can auto recover 8 Short circuit protection Endure long time short circuit without damage and auto recover. The module will hiccup 5 minutes before it locked itself. 9 Over temperature protection Auto-recoverable when temperature is less than65℃ 4.4 Safety requirements 4.4.1Safety requirements No. Item Criterions Remark 1 Dialectical strength Input-output 4242Vdc/10mA/ 1min No flyover, no breakdown. Input-ground 2121Vdc/10mA/ 1min Output-ground 700Vdc/10mA/ 1min 2 Isolation resistance Input-output ≥10MΩ@500Vdc Under normal air pressure，humidity 90%， Input-ground ≥10MΩ@500Vdc Output-ground ≥10MΩ@500Vdc 3 Touch current (Input-ground) ≤3.5mA 264Vac/60Hz 4 Safety approval In compliant with TUV EN60950-1 4.4.2EMC characteristics No. Item Criterions Remark 1 EMC CE CLASS B       EN55022 RE CLASS B  EN55022 EFT LEVEL 3 B IEC61000-4-4 SURGE LEVEL 4 B (difference mode2KV, common mode 4KV) IEC61000-4-5 DIP Drop to 70％UT，duration 100ms，at angle of 0°,45°,90°,135°,180°,225°,2...

Ø  Universal input 80~264Vac or 113~370Vdc Ø  84W free air convection, 120W with 10CFM forced air Ø  High Efficiency, long life, high reliability Ø  Output protections: SCP/OVP/OCP/OPP Ø  Wide operating ambient temperature (-30℃~70℃) Ø  Operating altitude up to 4000m Ø  All using 105℃ long life electrolytic capacitors. Ø  100% full load burn-in test Ø  Meet Class I and Class II(no ground required) device Ø  No load power consumption ≤0.35W Ø  Built-in 12V/0.5A auxiliary output Ø  4’’*2’’ Compact size Ø 3 years warranty   MODEL PS-120-24 OUTPUT DC Output 24V Rated Current (free air convection) 3.5A (84W) Rated Current (10CFM forced air) 5A (120W) Ripple and Noise  Note 2 0~70℃ ≤100mV -30℃~0℃ ≤150mV Voltage ADJ. Range 22.8~25.2V Voltage Accuracy ±1.0% Line Regulation ±0.5% Load Regulation ±1.0% Set-up Time ≤0.5S (110/220Vac input, Full load) Hold up Time ≥10Ms @110Vac input ; ≥40Ms @220Vac input  Full load Temperature Coefficient ±0.03%/℃ Overshoot and Undershoot <±5.0% INPUT VoltageRange  Note 3 80Vac~264Vac; 113~370Vdc Rated input voltage range 100~240Vac; 133~308Vdc FrequencyRange 47Hz-63Hz Efficiency ( Typical) 90% AC Current (max.) ≤2.5 A/110VAC  ≤1.5 A/220VAC Inrush Current (Typical) ≤30 A/110VAC  ≤60A/220Vac     Cold start Leakage Current Input to PG: ≤1mA   Input to output: ≤0.5mA (264Vac input, 63Hz) PROTECTION Over Current 5.75~7.5A, hiccup mode, auto recovery Over Power 138~180W, hiccup mode, auto recovery Over Voltage 26.4~31.2V, Constant voltage, auto recovery Shorted Circuit Long-term mode, auto recovery Function Fan Supply 12V @ 0.5A for driving a fan; tolerance ±15% ENVIRONMENT Operating amb. Temp. & Hum. -30℃~70℃; 20%~90%RH No condensing (refer to the derating curve) Storage Temp. & Hum. -40℃~85℃; 10%~95%RH No condensing SAFETY &EMC   (Note 3) Safety Standards Meet UL62368, EN62368 Withstand Voltage Primary-Secondary:4KVac/5mA; Primary to PG: 2KVac/5mA; Secondary-PG: 1.5Vac/5mA Isolation Resistance ≥100M ohms EMI Conduction&Radiation Compliance to EN55032 Class B Harmonic Current Compliance to EN61000-3-2, Class A EMSImmunity Compliance to EN61000-4-2,3,4,5,6,8,11; heavy industry level OTHERS MTBF (MIL-HDBK-217F) More than 200,000Hrs (25℃, Full load) Dimension (L*W*H) 101.6×50.8×29mm (4’’*2’’*1.14’’) Packing 45PCS/CTN, 15.2KGS, 0.023CBM Cooling method 84W free air convection; 120W with 10CFM forced air NOTE 1.All parameters NOT specially mentioned are measured at rated input, rated load and 25℃ of ambient temperature. 2.Measured at 20MHz of bandwidth by using a12”twisted pair-wire terminated with a 0.1 uF & 10uF parallel capacitor. 3. The power supply is considered as a component which will be installed into a final equipment. The final equipment must be re-confirmed that it still meets EMC directives. For guidance on how to perform these EMC tests, please refer to “EMI testing of component power supplies” on https://www.powerld.com Focus on the development of Industrial power supply for many years,make efforts to meet customers' requirements and search for long-term cooperation.24 hours online service affiliates you to contact us.

Ø  Universal AC input (90~264Vac) Ø  With Active PFC, PF>0.95 Ø  Stand-by power consumption: 0.35W Ø  High Efficiency, long life and High reliability Ø  Output protections: OCP/OVP/SCP/OTP Ø  Wide operating ambient temperature (-30℃~65℃) Ø  All using 105℃ long life electrolytic capacitors. Ø  100% full load burn-in test Ø  Fanless, quiet working Ø  PCB with conformal coating Ø  Low profile, 23mm Ø  3 years warranty    Ø  UL/CE/CCC/CB approved MODEL VAT260UP4.2AA VAT260UP5AA OUTPUT DC Output 4.2V 5V Rated Current 50A 50A CurrentRange    Note 1 0~50A 0~50A Ripple and Noise  Note 2 0~65℃ ≤250mV ≤300mV -30~0℃ ≤500mV ≤600mV Voltage Accuracy ±3% Set-up Time @25℃ ≤4S (220Vac input, 50A) Temperature Coefficient ±0.03%/℃ Overshoot ≤5.0% INPUT Voltage Range 90Vac~264Vac Rated input voltage range 100~240Vac FrequencyRange 47Hz~63Hz Efficiency ( Typical) 90% @220Vac input, 50A ( 91% @220Vac, 60% load) AC Current (max.) <3.5A Inrush Current (Typical) <80A@220Vac     Cold start Power Factor @25℃ >0.95 (input 220Vac, 50A) Leakage Current Input—output:<0.25mA    Input—PG:<3.5mA  (input 264Vac, 63Hz) Input Protection Under voltage protection point 55Vac~85Vac, shut down Under voltage recovery point 60Vac-90Vac, auto recovery, return difference≥5V Output PROTECTION Over Current ≥55A , auto recovery Over Voltage 4.6~6.5V, auto recovery 5.5~7V, auto recovery Over Temperature Test at40A Ambient temp. Protection when ambient temp. is over 65℃; auto recovery when ambient temp. is lower than 50℃ Housing temp. Protection when temp. of upper housing is over 85℃; auto recovery when it is less than 70℃ Short Circuit Long-term mode, auto recovery ENVIRONMENT Operating amb. Temp. & Hum. -30℃~65℃; 20%~90%RH No condensing (refer to the derating curve) Storage Temp. & Hum. -40℃~85℃; 10%~95%RH No condensing SAFETY &EMC   (Note 4) Safety Standards IEC 62368-1, UL62368-1, EN62368-1 approved Withstand Voltage Primary-Secondary: 3.0KVac/10mA .Primary-PG:1.5KVac/10mA. Secondary-PG: 0.5KVdc/10mA. Isolation Resistance 10Mohms EMI Conduction & Radiation Compliance to EN55032  Class A EMSImmunity Compliance toEN61000-4-2,4,5,11; OTHERS MTBF >100000Hrs (25℃, Full load),MIL-217 Method 2 Components Stress Method Dimension (L*W*H) 165*55*23mm Packing 24pcs/CTN, 9.2Kgs/CTN Cooling method Power supply fixed on the aluminum plate of 450*450*3mm. NOTE 1.    All parameters NOT specially mentioned are measured at rated input, rated load and 25℃ of ambient temperature. 2.    Measured at 20MHz of bandwidth by using a 12” twisted pair-wire terminated with a 0.1 uF & 47uF parallel capacitor. 3.The power supply is considered as a component which will be installed into a final equipment. The final equipment must be re-confirmed that it still meets EMC directives. For guidance on how to perform these EMC tests, please refer to “EMI testing of component power supplies” onhttp://www.powerld.com.cn.