DC 13.8V 40A 30A 33A Switching Power Supply, ACAC-DC 550W 450W 400W Regulator Transformer Access Control SMPS ,Easy Operation

Protections: Short circuit /Overload / Over . High efficiency and low operation temperature. Soft-start current can reduce the AC inpur impact effecticly. PWM control and regulated. 100% full-load burn-in test.