The ZC-540 Serials DC High Voltage Generators adopts new technique , new material and new component with features of high output power, small volume, light weight, etc. And it is with the function of stable over-voltage ,over-current, zero position switching protection, 0.75 times voltage latch function , equipped with time relay, can set audio alarm when testing. The whole device is reliable , easy to operate and carry, especially applies to the power department field tests.