A-B 440G-A27143 Guard Locking Switch

Product Description

Allen-Bradley 440G-A27143 is a Guardmaster safety interlock switch actuator (Fully Flexible Actuator) manufactured by Rockwell Automation. It is an accessory component used with TLS-GD2 Guard Locking Switches for machine safety door interlocking applications.

This part is not the complete locking switch, but the flexible actuator/target component that is mounted on a safety door or guard and inserted into the Guardmaster locking switch to enable safety monitoring.

Specifications

• Brand: Allen-Bradley (Rockwell Automation)
• Model: 440G-A27143
• Product Type: Safety Interlock Switch Actuator
• Series: Guardmaster 440G / TLS-GD2
• Actuator Type: Fully Flexible Actuator
• Compatible Switch: TLS-GD2 Guard Locking Switch
• Application: Safety door interlocking
• Material: Industrial safety actuator design
• Protection Rating: IP66 / IK05 / NEMA 4X (when used as specified)
• Mounting: Guard/door mounting
• Country of Origin: Dominican Republic

Functions

• Provides mechanical actuation for Guardmaster safety switches
• Detects opening/closing position of machine guards
• Allows safety circuit monitoring when a guard door is opened
• Helps prevent access to hazardous machine areas during operation
• Works together with safety relays or safety controllers for machine protection systems

Advantages & Features

• Flexible actuator design for easier door alignment
• Designed for industrial safety applications
• Compatible with Allen-Bradley Guardmaster TLS-GD2 switches
• Helps improve machine guarding reliability
• Suitable for applications requiring guard door monitoring
• Compact and durable construction

Applications

• Machine safety doors
• Industrial robot cells
• CNC machines
• Packaging equipment
• Automated production lines
• Manufacturing safety guarding systems
• High-inertia machine protection systems

Notes

• 440G-A27143 is an actuator accessory, not a complete safety switch
• Requires compatible TLS-GD2 Guardmaster locking switch for operation
• Confirm actuator type before replacement
• Ensure correct mechanical alignment between actuator and switch
• Safety system performance depends on the complete safety circuit design