EATON Cutler-Hammer Series Limit Switch Operating Head, Series: E50, Rotary Lever/Spring Return Actuator, Side Actuator Location, For Use With: E50 Series Heavy Duty Plug-In Limit Switch, 3 in-lb Operating Force, 90 deg Travel, NEMA 1/3/3S/4/4X/6/6P/13, -40 to 175 deg F, Die Cast Zinc, 1.05 in L x 1.54 in W x 2.46 in H Dimensions