- Square D™ Manual Switch, Type K 3-Phase 1-Unit Standard, Series: 2510, 600 VAC, 230 VDC, 30 A, 1 hp at 90 VDC/1-1/2 hp at 230 VDC/2 hp at 115 VAC/115 VDC/7-1/2 hp at 230 VAC/230 VDC/600 VAC/10 hp at 575 VAC/460 VAC Power, 3 Pole, Non-Reversing Action, Toggle Actuator, Screw Clamp Connection, NEMA 4 Enclosure, Die Cast Zinc Alloy, 3 in W x 4.25 in D x 4.38 in H Dimensions