440G-T27127 Guardlock Switch, TLS-GD2, Power To Lock, 24V ACDC, 1 N.C. 1 N.O., 2 N.C. Safety, 1 N.O Aux, 2 N.C. Safety Contacts, Break Before Make, 1 N.O. Auxillary Contact, No Actuator, Guardlocking Switch, M20 Conduit, Plastic