AutomationDirect's safety products offering includes additional interlocking safety switches. IDEM's INCH and MK1 series of miniature tongue interlock safety switches are designed to fit leading edge, hinged or lift-off machine guards; available shaft hinge interlock switches are designed to fit edge-hinged gates. With a very compact 16.5mm to 18mm or 16.5mm to 22mm mounting profile, rotating heads with dual actuator entry and force guided normally-closed contacts, switches are available with plastic or stainless steel housings and with M16, M12 quick disconnect or half-inch NPT threaded connections. HC series shaft hinge interlock switches feature solid or hollow shafts and two normally-closed slow action contacts or one normally-open contact and one normally-closed slow action, make before break contact. Learn more here.