Square D™ Pumptrol™ Pressure Switch, Electromechanical, Series: 9013FR, 10 to 45 psi Pressure, 6 to 20 psi Differential, 300 psi Maximum, 2NO Contact Configuration, 1 hp at 230 VAC Contact, 10 cpm Operating Cycles, -33 to 257 deg F, Screw Clamp Connection, Nitrile Diaphragm, Thermoplastic Housing Material, NEMA 1/IP20 Enclosure, 2.78 in W x 3.76 in D x 3.71 in H Dimensions,