Product Name : Limit Switch; Model No. : ME-8104; Contact Configuration : 1NO+1NC Actuator Type : Rotary Roller Lever; Voltage Rating : AC 250V 5A,DC 115V 0.4A; Roller Dimension : ~1.7 x 0.6cm / 0.7" x 0.24"(D*H) Lever Arm Length : ~4cm / 1.6"; Threaded Hole Diameter : ~0.5cm / 0.2"; Body Size : ~9.3 x 2.8 x 2.5cm / 3.7" x 1.1"x 1"(L*W*H) Material : Plastic, Rubber, Metal; Color : Blue, Gray & Black; This Limit Switch can be widely used in various mechanical to monitor the position of moving parts of machines and plant and use in safety circuits to control circuit and auxiliary circuit for terminal limit protection. Safe and reliable ,dust and oil proof ,small installation size ,the products are for general use. The lever arm can rotate, can be rotated to the left and to the right.