Air compressor switch device

摘要: A switch device for an air compressor plant including receiver, having unloader valve mechanism, electrical motor driving the compressor, and supply circuit a main line energizing pair of capacitor circuits, comprising pneumatically actuated in between receiver which is adapted to be opened when excessive pressure developed supplying through control mechanism. Also, included pneumatic actuator automatically simultaneously open switches circuits open. The also supplied with relief or exhaust has normally closed position open, exhausting as well closed.