350W / 500W high pressure mercury lamp power supply, you can switch to the internal supply 350W or 500W high pressure mercury lamp power supply can also be switched using internal 110V or 220V power supply, built-in lighting circuit, can go an hour on the table of the cover panel can be recorded mercury lamp hours, this power supply is constant power controlled by the locking knob can adjust the output power, digital panel display output power and voltage and current values, internal electromagnetic contactor do overload protection, rear connectors output lightbox cooling fan power, boxes and overtemperature protection interlock circuit, good operating performance, good stability, high durability, the most suitable production line.