Y51A accelerator to the international advanced ceramic matrix conductive plastic potentiometers and two high-quality imports fretting switch as the core components of its life up to 5 million weeks; Constant Spring-operation to reset and flat-pin surface-sealing internal structure formation patented core technologies, with long life, good compatibility, high quality cheap.

The family has been widely applied in quantities: Electric golf carts, electric vehicles sightseeing tour, electric tractor, and electric forklifts.

Y01/Y05/Y06 DC for the series of contacts has been widely used in electric cars and mass, electric tricycles, electric forklifts, electric winches, mechanical engineering, high current DC-to or on-off control systems, communications can be applied to power, uninterrupted power supply, electroplating and power lines EC electric control circuit switch control.