"SQUARE D" WATER PUMP PRESSURE SWITCH *1-1/2 hp at 115 volt, 2 hp at 230 volt *2 pole *Type FSG is for all types of pumps: jets, submersible, reciprocating *Nema type 1 indoor enclosures *Diaphram actuated *Adjustable cut in/out and differential *220 PSIG max pressure *Clamshell