Allen-Bradley 440G-T27171

Allen-Bradley 440G-T27171 | Guard Locking Switch TLS-1 GD2

Overview:

The Allen-Bradley 440G-T27171 is a TLS-1 GD2 guard locking switch designed for machine safety applications where power-to-release functionality is required. Operating at 24V AC/DC, this switch features 2 normally closed (NC) safety contacts, 1 normally open (NO) auxiliary contact, and a solenoid with 1 NC and 1 NO contact.

With a maximum holding force of 2000N (450 lbs), the TLS-1 GD2 ensures reliable guarding of hazardous areas. It includes a fully-flex actuator for versatile door alignment and a 1/2-inch NPT conduit adapter for easy wiring integration.

Key Features:

• Power to Release Operation – Ensures the guard remains locked until power is applied to release it
• 24V AC/DC Solenoid – Provides reliable and energy-efficient operation
• Safety Contacts: 2 NC – Ensures fail-safe operation in safety circuits
• Auxiliary Contact: 1 NO – Allows for status monitoring
• Solenoid Contacts: 1 NC / 1 NO – Provides additional control flexibility
• Fully-Flex Actuator – Enables multiple mounting and alignment options
• High Holding Force: 2000N (450 lbs) – Securely locks guards in place
• Conduit Entry: 1/2" NPT Adapter – Facilitates easy wiring installation

Technical Specifications:

• Model: 440G-T27171
• Series: TLS-1 GD2
• Operating Voltage: 24V AC/DC
• Safety Contacts: 2 NC
• Auxiliary Contacts: 1 NO
• Solenoid Contacts: 1 NC / 1 NO
• Holding Force: 2000N (450 lbs)
• Actuator Type: Fully-Flex
• Conduit Entry: 1/2 in NPT Adapter
• Mounting: Panel or machine surface

Applications:

• Machine Guarding & Safety Systems – Prevents unauthorized access to hazardous areas
• Automated Manufacturing & Robotics – Ensures controlled access during machine operation
• Packaging & Material Handling Equipment – Enhances safety in conveyor and assembly line operations
• Heavy Industrial Machinery – Provides robust locking for high-force applications

Why Choose the Allen-Bradley 440G-T27171?

The Allen-Bradley 440G-T27171 TLS-1 GD2 guard locking switch offers high-strength safety locking, flexible mounting options, and compliance with industrial safety standards, making it a reliable solution for machine guarding applications.

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Return to our Allen-Bradley Guardmaster 440G Safety Interlock Switches collection for detailed options in personnel protection and machine guarding.

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NEW product in original sealed packaging. The product may be of older version or design. The packaging may have markings, signs of discoloration, and wear. DDPARTSSOLUTION Warranty: 1 Year. Manufacturer's Warranty and Support NEVER apply