This machine adopt the high - quality relay and the fleetness rectifier tube , the full - automatic short - circuit protection implement , operation nimble , use safety simplely reliably 本机采用高品质继电器及快速整流管,全自动短路保护器,操作简单灵活,使用安全可靠。
automatic short-circuit protection meaning:[Electronics] A circuit that allows the output of a power supply to be short-circuited without damage to the components in the supply. It usually consists of a current-limiting device.