Relay,Thermistor,230V AC/24V DC Control Power,50 Hz/60 Hz,Automatic Manual Remote Reset,1 Normally Open Output and 1 Normally Closed Output,with Integrated Test Button,Positive Temperature Coefficient Electronic Protection
836C7 Electro-Mech Pressure Control Switch operating range from 30 in. Hg Vacuum 900 psi independently adjustable range and differential with copper alloy and stainless steel bellows.