Square D™ Pumptrol® Pressure Switch, Adjustable Electro-Mechanical, Series: 9013FS, 10 to 45 psig Pressure, 15 to 30 psi Differential, 220 psi Maximum, 2NC/DPST Contact Configuration, 1 hp at 575 VAC Contact, 10 cpm Operating Cycles, -33 to 257 deg F, Screw Clamp Connection, Zinc Plated Steel Connection, Nitrile Diaphragm, Noryl Thermoplastic Resin/Polypropylene Housing Material, NEMA 1/IP20 Enclosure, 2.78 in W x 3.76 in D x 2.8 in H Dimensions