Liquid Level Switch, Switch Function Open On Rise, Vertical Open Tank Mounting, Float Travel 2 1/16 in, NEMA Rating 1, Tank Connection Size 5-1/8 in, Operating Temp. Range -22 Degrees to 220 Degrees F, Overall Length 14.3 in, Float Material Stainless Steel, Float Length 4.5 in, Float Dia. 3.63 in, Height 7.6 in, Width 7.6 in, Contact Form DPST, Max. Current 600 A, Max. Voltage 600 V, HP @ 1 Phase - 120V 2 hp, HP @ 1 Phase - 240V 3 hp, HP @ 3 Phase - 240V 5 hp, Body Material Steel