... heavy protection: overcurrent, overvoltage, undervoltage, over power, over temperature, short circuit Specification AC Input ... the harmonic current limits GB17625-1 Scope Maximum output power 500W, built-in PFC, CE line, magnetic amplifier ... circuitSix heavy protection: overcurrent, overvoltage, undervoltage, over power, over temperature, short circuit3C by the China Compulsory Certification ...