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POWER-WIN TECHNOLOGY CORP.
Switching Power Supply (Open Frame Power Supply, 250W, Single Output)





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Item Number.:
PW-250B-XYZ
Product Name:
Switching Power Supply (Open Frame Power Supply, 250W, Single Output)
Description:
*Both ITE & Medical Approvals.
*High Power density, 250W in 4.1" x 2.1" footprint.
*Medical safety approved ( 2 x MOPP between primary to secondary and meet BF type. )
*Altitude during operation: ITE up to 5000m ,Medical Below 3000m.
*3 years warranty.
Features:
B-Type (Open frame)
*Dimension:L104xW54xH32mm
*Weight:230g
U-Type (U Channel)
*Dimension:L105.4xW58.2xH40mm
*Weight:320g
E-Type (U Channel with cover)
*Dimension:L105.4xW58.2xH41.5mm
*Weight:340g
T-Type (Top mounted fan)
*Dimension:L105.4xW58.2xH60.6mm
*Weight:350g
Specification:
Electrical specifications
  • Input range : 90 - 264VAC ( Refer to derating curve).
  • Frequency : 47 - 63Hz
  • Power Factor : > 0.95 @115VAC; > 0.90 @230VAC @full load
  • Inrush current : < 50A peak @115VAC; < 100A peak @230VAC cold start @25°C
  • Input current (rms) : 2.8A @115VAC; 1.4A @230VAC max.
  • Efficiency : > 93% typical @ 80% load, 230VAC
  • Touch current : < 100uA @264VAC.
  • Maximum output power (Po) : 250Watts with forced air cooling
  • Hold-up time : > 10ms typical 80%@full load, 115VAC
  • Short circuit protection : Auto-recovery
  • Over load protection : 105% to 150% maximum rating, Auto-recovery
  • Over voltage protection : latch-off
Environmental
  • Operating temperature : -20 to +70°C (Refer to derating curve).
  • Storage temperature: -20°C to +85°C.
  • Operating humidity: Non-condensing 10% to 95%.
  • MTBF : > 350,000 hours @full load and 25°C ambient temperature per Telcordia(Bellcore TR-332).
SAFETY STANDARDS
  • UL60601-1 3.1rd Edition
  • TUV EN60601-1 3.1rd Edition
  • CB IEC60601-1 3.1rd Edition
  • UL/c-UL UL62368-1
  • TUV EN62368-1
  • CB IEC62368-1
EMC STANDARDS
  • EN60601-1-2
  • EN55011 Class B
  • EN55032 Class B
  • EN55024
  • FCC Part 15 Class B
  • FCC Part 18 Class B
  • CE
Single Output Model No. Main Output ( V1) Optional Second Output ( V2 ) Convectiontotal power
(90-120Vac)
Convectiontotal power
(200-264Vac)
18CFMForced airtotal power
Output Voltage Output Load Convection
(90-120Vac)
Output Load Convection
(200-264Vac)
Output Load18CFM Forced air Output
Voltage
Output
Load
Watts Max.
PW-250B-1Y12BM +12V 12.5A 14.16A 20.83A -- -- -- 150W 170W 250W
PW-250B-1Y24BM +24V 6.25A 7.08A 10.41A
PW-250B-1Y48BM +48V 3.12A 3.54A 5.2A
PW-250B-1Y12UM +12V 13.33A 15.83A 20.83A -- -- -- 160W 190W 250W
PW-250B-1Y24UM +24V 6.66A 7.91A 10.41A
PW-250B-1Y48UM +48V 3.33A 3.95A 5.2A
PW-250B-1Y12EM +12V 13.33A 15.83A 20.83A -- -- -- 160W 190W 250W
PW-250B-1Y24EM +24V 6.66A 7.91A 10.41A
PW-250B-1Y48EM +48V 3.33A 3.95A 5.2A
PW-250B-1Y12TM +12V 20.83A -- -- -- -- 250W --
PW-250B-1Y24TM +24V 10.41A
PW-250B-1Y48TM +48V 5.2A


Dual Output Model No.
(V2:20VFan)
Main Output ( V1) Optional Second Output ( V2 ) Convectiontotal power
(90-120Vac)
Convectiontotal power
(200-264Vac)
18CFMForced airtotal power
Output Voltage Output Load Convection
(90-120Vac)
Output Load Convection
(200-264Vac)
Output Load18CFM Forced air Output
Voltage
Output
Load
Watts Max.
PW-250B-2Y12FNBM +12V 12.5A 14.16A 20.83A +12V 0.25A -- 150W 170W 250W
PW-250B-2Y24FNBM +24V 6.25A 7.08A 10.41A
PW-250B-2Y48FNBM +48V 3.12A 3.54A 5.2A
PW-250B-2Y12FNUM +12V 13.33A 15.83A 20.83A +12V 0.25A -- 160W 190W 250W
PW-250B-2Y24FNUM +24V 6.66A 7.91A 10.41A
PW-250B-2Y48FNUM +48V 3.33A 3.95A 5.2A
PW-250B-2Y12FNEM +12V 13.33A 15.83A 20.83A +12V 0.25A -- 160W 190W 250W
PW-250B-2Y24FNEM +24V 6.66A 7.91A 10.41A
PW-250B-2Y48FNEM +48V 3.33A 3.95A 5.2A


Dual Output Model No.
(V2:12VFan)
Main Output ( V1) Optional Second Output ( V2 )* Convectiontotal power
(90-120Vac)
Convectiontotal power
(200-264Vac)
18CFMForced airtotal power
Output Voltage Output Load Convection
(90-120Vac)
Output Load Convection
(200-264Vac)
Output Load18CFM Forced air Output
Voltage
Output
Load
Watts Max.
PW-250B-2Y12xxBM +12V 12.5A 14.16A 20.83A 5V ~ 48V
4A ~ 0.41A
20W 150W 170W 250W
PW-250B-2Y24xxBM +24V 6.25A 7.08A 10.41A
PW-250B-2Y48xxBM +48V 3.12A 3.54A 5.2A
PW-250B-2Y12xxUM +12V 13.33A 15.83A 20.83A 5V ~ 48V
4A ~ 0.41A
20W 160W 190W 250W
PW-250B-2Y24xxUM +24V 6.66A 7.91A 10.41A
PW-250B-2Y48xxUM +48V 3.33A 3.95A 5.2A
PW-250B-2Y12xxEM +12V 13.33A 15.83A 20.83A 5V ~ 48V
4A ~ 0.41A
20W 160W 190W 250W
PW-250B-2Y24xxEM +24V 6.66A 7.91A 10.41A
PW-250B-2Y48xxEM +48V 3.33A 3.95A 5.2A
Model xx : V2 second optional Voltage ( +5V - +48V ). Ex: +12V , xx : 12.
*Dual output V2 Forced air 20W, convection cooling need to drop to 15Wmax.
Note:
1. Ripple and noise on +12V rail is 180mV max. , 280mV for +24V and 380mV for +48V. They are measured at oscilloscope 20MHz bandwidth by a 100uF electrolytic capacitor and a 0.1uF ceramic capacitor in parallel at output wire 300mm length connector.
2. Output regulation for +12V is ±3% and ±2% for +24V and +48V( -1~-20°C ambient temperature and EMS Immunity worst case ≦5% ).
3. B-Type 150W Max.( Input 90-120Vac) and 170W Max.( Input 200-264Vac) Convection or 250W Max. forced air cooling. U-Type and E-Type 160W Max.( Input 90-120Vac) and 190W Max.(Input 200-264Vac) Convection or 250W Max. forced air cooling. T-Type with TOP mounted FAN 250W Max. Convection, T-Type provide single output only.
4. V2 : FN model provide +12V Fan voltage, voltage range : ±8% ( +12V Main output , FAN Voltage range: +10V~+12V)
5. Dual output model Second output ( V2 ) : Optional Voltage , XX : Optional Voltage +5V ~ +48V , 20W Max.
6. The switching frequency of this series is set 80 to 100KHz at full load.

 
 
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