The 646H/2 is a double-pole double-throw (DPDT) High Amperage Toggle Switch with metal lever, screw terminals and solder lug/quick-connect terminals and ON-ON function. The 600H series switch has silver/nickel alloy contact and nickel plated brass actuator/bushing. Terminal and contact supports are manufactured from a single piece of metal. The contacts are resistance-welded to the terminal for increased mechanical strength. Security caps are available to prevent inadvertent lever operation. Sealing boots are available to protect the switches against dust and water.