sje pumpmaster wps float switch
SJE PumpMasterÂ® WPS. CSA Certified Potable Water Switch. The SJE PumpMasterÂ® WPS is a mechanically-activated, wide-angle float switch providing automatic control in potable water and water applications. It provides direct control of pumps up to 1/2 HP at 120 VAC and 1 HP at 230 VAC or control applications as low as 120 VAC, 100 mA.