90W high power with stable 54V 1.67A output, designed for HP/HPE PoE switches and devices.; OEM replacement for HP PA-1900-2P-LF, PA-1900-2P2, 5066-2164, 5066-5569, JL383AABA.; Unique 4PIN special connector, ensures secure and reliable connection for J9774 series.; Widely compatible with HPE 2530 8G PoE Switch, 1820, 2930F 8G 2SFP, Aruba 2530F-8POE.; Built-in multi-protection against overvoltage, overcurrent, overheat and short circuit for safety.