1) Zfine High Frequency Pulse Switching Power Supply 2) Switching mode power supply 3)12V ,6000A ,natural cooling 380VAC Specs (zf-6000A-12V) ... , high stability, and low ripple ratio. Main controlling part adopts advanced technology to let fluctuation of power net voltage and loads ... , nickel plating, zinc plating, copper plating, chromate plating and etc. High Frequency Pulse Switching Power Supply