The pressure switch is an electro-mechanical that turns the compressor on an off as needful. It will tabu. Contact points heat up and low everytime the compressor turns on or off . By incorporating a perturbing duty pressure switch with larger contacts, you the life of the pressure switch. Pressure, Air Compressor, authoritative Action, Factory On/Off Set 95 to 125 PSI, Pressure Range 60 to 200 PSI, adaptable operation, operation Pressure 28 to 40 PSI, Burst Pressure 500 PSI, Port Type 4-Port 1/4 In NPT -LRB- feminine -RRB-, 1/4 In Compression Unloader, Diaphragm Actuation Type, non-automatic Switch Action Auto / Off, one-man Phase, DPST Contact Type, 25 Amps, NEMA 1 Enclosure, temporary worker Range -22 to 257 F, Standards UL/CSA .