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Allen-Bradley
Allen-Bradley 440K-C21098 Cadet 3 2NC 1NO M16 Tongue Interlock Safety Switch
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$62.50
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PRODUCT DOCUMENTATION
Product Information
Technical specifications, features, applications and purchasing information.
Allen-Bradley 440K-C21098 Cadet 3 2NC 1NO M16 Tongue Interlock Safety Switch
The Allen-Bradley 440K-C21098 Safety Switch is a Guardmaster Cadet 3 tongue-operated safety interlock switch used for guard position monitoring on industrial machinery. It uses a flat actuator and provides two normally closed safety contacts together with one normally open auxiliary contact. Break-before-make contact operation supports controlled switching when the actuator is removed from the switch. The compact tongue interlock design is suitable for installation at the leading edge of sliding, hinged, or lift-off machine guards.
Product Features
The Allen-Bradley 440K-C21098 Safety Switch combines a tongue-operated interlock design with dual actuator entry slots and a rotatable head, supporting flexible mechanical alignment during machine construction or replacement work. The M16 conduit entry supports conventional field wiring, while the 2NC safety and 1NO auxiliary contact arrangement enables integration with compatible machine safety and control circuits. Its configuration is suitable for OEM machinery, factory equipment upgrades, guard-switch replacement, and routine maintenance applications where a Cadet 3 interlock is specified.
Technical Specifications
| Brand | Allen-Bradley |
| Model | 440K-C21098 |
| Product Category | Safety Switch |
| Product Type | Tongue Interlock Switch |
| Product Family | Guardmaster Cadet 3 |
| Contact Configuration | 2 Normally Closed Safety Contacts, 1 Normally Open Auxiliary Contact |
| Contact Operation | Break Before Make |
| Actuator | Flat |
| Connection Type | M16 Conduit Entry |
| Special Feature | Dual Entry Slots and Rotatable Head |
Product Advantages
The defined contact arrangement allows the Allen-Bradley 440K-C21098 Safety Switch to provide safety-circuit switching together with an auxiliary status signal. Its configurable actuator entry arrangement can simplify mounting on different guard layouts and support direct replacement within compatible Cadet 3 installations. For procurement and maintenance teams, the clearly identified model, contact configuration, actuator type, and conduit entry help reduce selection errors when sourcing replacement safety interlock components.
Applications
The Allen-Bradley 440K-C21098 Safety Switch is used for monitoring sliding, hinged, and lift-off guards on industrial machinery. Typical uses include factory automation equipment, OEM machine assemblies, guarded production systems, control systems, and machine maintenance or retrofit projects requiring a Cadet 3 tongue interlock switch.
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