The Bitmain Antminer APW17 1215 PSU is built for the (S21 Pro, S21 XP, S21, S21+, L9) providing a stable 12v-15v output with a 220v input. It’s designed for efficiency, improving performance and ensuring reliable power for demanding mining operations.
 
Specifications
Out 1:
Dc Voltage: 12v-15v
Rated current : 267A
Ripple & Noise: <1%
Source adjustment rate : <1%
Load Regulation : <1%
Start-up and rise Time : <14S
Power-off retention Time :  >10mS
Out 2:
Dc Voltage: 12.3v
Rated current (three-phase 380V input): 18A
Ripple & Noise: <1%
Voltage Accuracy : 12.2v—12.4v
Source adjustment rate : <1%
Load Regulation :  <1%
Start-up and rise time: <10S
Power-off retention Time :  >10mS
Input:
Voltage Range: 220–277V AC
Frequency Range: 50-60Hz
Power Factor:  >0.99(full load)
Leakage Current : <1.5mA（380V 50Hz）
Protection:
Input Undervoltage protection value: 185-195v AC
Output Short Circuit: Yes
Over-temperature protection:  Yes
Output overcurrent protection value :  280A-402v A
Environment:
Operating Temperature: -20-40℃
Operating Humidity: 20%-90%RH（non-­condensing）
Altitude:  < 2000m
Output overcurrent protection value :  333v AC
Structure:
Size: 254 x 251 x 63mm
Weight Net: 4.2Kg
Cooling method: Forced air cooling
Noise : 45db