Allen-Bradley 440K-C21050 Safety Interlock Switch

Description:

The Allen Bradley 440K-C21050 Safety Interlock Switch is used in industrial machine safety systems to monitor guard doors, gates, and access points for personnel protection. Commonly installed in automated production lines, packaging machinery, robotic cells, and manufacturing equipment requiring reliable safety interlocking and machine guarding. Maintenance teams and system integrators use this part for replacement, retrofit, and safety system maintenance projects to maintain compliance and dependable machine protection.

Applications:

The Allen Bradley 440K-C21050 Safety Interlock Switch is designed for industrial safeguarding applications where machine access points must be monitored to prevent hazardous operation. As part of the Guardmaster Cadet 3 series, it is commonly used on safety gates, access doors, perimeter guards, hinged guards, sliding guards, and automated equipment requiring controlled access and reliable safety monitoring.

Technical Specifications:

• Manufacturer Part Number (MPN): 440K-C21050
• Product Type: Safety Interlock Switch
• Brand: Allen Bradley
• Series: Guardmaster Cadet 3
• Switch Type: Tongue Interlock Switch
• Function: Guard Door and Access Point Monitoring
• Contact Configuration: 2 Normally Closed, 1 Normally Open
• Actuator Type: Flat Actuator
• Conduit Entry: M16
• Enclosure Rating: IP67
• Application: Industrial Machine Safety Systems
• Industry Use: Manufacturing, Packaging, Robotics, and Automation Equipment
• Service Environment: Industrial Safety Applications

Common Replacements:

• Allen Bradley 440K-C21052 Safety Interlock Switch
• Allen Bradley Guardmaster Cadet 3 Interlock Switch
• Tongue-Operated Safety Interlock Switch