Locking tongue operated safety interlock switches provide a tamper-resistant actuator mechanism for sliding or lift-off machine guards, as well as a method for locking the guards in place. They also provide robust position interlock detection and locking for moving guards. Safety switches offer positively operated switching contacts for maximum reliability.
With a 16.5 mm – 22mm mounting profile, these IDEM switches are available with plastic (IP67) or stainless steel (IP69K) housings, and a variety of tongue designs. The competitively priced INCH series has a switch suitable for the majority of small guarding applications. The MK1-SS version with IP69K ingress protection rating makes it the preferred switch for environments where Clean In Place (CIP) and Sterilization In Place (SIP) situations exist (food industry applications).
INCH-series tongue interlock switches are ideal for machines and machine guards/doors that are framed with 1” cross-section extruded rails (i.e. 80/20™ extrusions), or in other mounting locations where space is at a premium. They fit easily on one-inch rails, and the square mounting heads can be rotated in 90-degree increments for mounting flexibility. For more information, please click here.
INCH-1 Compact Tongue Interlock Safety Switch
Designed with a 316 Stainless Steel head, the INCH-1 is a robust and compact interlock safety switch. With a body length of only 77mm (3″) and width of 25mm (1″), it is ideal in tight spaces. Available with 2NC or 1NC/1NO contact blocks (replaceable).
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INCH-3 Compact Tongue Interlock Safety Switch
With a 316 Stainless Steel head that can rotate to offer 8 entry positions, the INCH-3 provides a 2NC/1NO replaceable contact block in a compact body measuring only 103mm (4″) long and 25mm (1″) wide. The longer body allows the end user the option of 3 conduit entry points. Like the INCH-1, it is available with a choice of tongue actuators.
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MK1-SS Compact Tongue Interlock Safety Switch
With a mirror polished 316 Stainless Steel housing, the MK1-SS is perfect for all small guard holding applications, particularly those in the food and packaging industries. IP69K rated, it is suitable for Clean In Place (CIP) and Sterilization In Place (SIP) processes. The head rotates to allow 8 different actuator entry points and comes with a choice of actuators.
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