Mercury Displacement Contactor, Contact Form DPST, Coil Volts 240V AC, Contact Amp Rating (Resistive) 35 A, Depth 2.54 in, Height 4.95 in, Width 3.51 in, Number of Poles 2, Contact Material Liquid Mercury, Mounting Position Vertical within 10 Degrees , HP @ 1 Phase - 120V 5 hp, HP @ 1 Phase - 240V 5 hp, HP @ 3 Phase - 240V 7 1/2 hp, HP @ 3 Phase - 480V 10 hp, HP @ 3 Phase - 600V 10 hp, Coil VA Rating 7 to 28, Hz 50/60