3-pole pressure switches MCS with relief valve

These 3-pole pressure switches are used in main circuits. Switching, On and Off, for example of a compressor, is effected indirectly.

A relief valve ensures a load-free motor start-up with small and medium size compressors.

Implementation

	Pressure switch
	Motor-protective circuit-breaker
	Motor
	Compressor
	Pressure pipe
	Pressure tank
	Relief pipe
	Back-pressure valve