Allen-Bradley 440G-T27255

Allen-Bradley 440G-T27255

Overview

The Allen-Bradley 440G-T27255 is a TLS-GD2 tongue interlock safety switch with guard locking functionality. Designed for use in machine safety applications where immediate hazard removal is not possible, it operates with a power-to-release solenoid. This model features 3 normally closed (N.C.) and 1 normally open (N.O.) safety contacts, runs on 24V DC, and includes an M20 conduit entry. It’s rugged, tamper-resistant, and suitable for Category 4 / PLe safety systems.

Key Features

• Device Type: Tongue interlock safety switch

• Series: TLS-GD2

• Guard Locking: Power-to-release (solenoid unlocks when powered off)

• Voltage: 24V DC

• Contact Configuration: 3 N.C. + 1 N.O.

• Conduit Entry: M20 x 1.5 threaded

• Actuator Type: Separate key (not included)

• Housing Material: Metal

• Ingress Protection: IP67

Technical Specifications

• Catalog Number: 440G-T27255

• Lock Type: Power-to-release (open when de-energized)

• Rated Voltage: 24V DC

• Thermal Current (Ith): 10A

• Rated Insulation Voltage: 500V

• Safety Category: Cat 4 / PLe (when used with appropriate monitoring)

• Operating Temperature: -20°C to +55°C

• Enclosure Rating: IP67 (dust-tight, water-resistant)

• Certifications: UL, CE, TUV

Applications

• Access doors on robotic or high-inertia equipment

• Packaging and labeling machines

• Conveyor systems requiring delay before guard access

• High-risk automation requiring mechanical lockout

• Food and beverage processing with washdown conditions

Why Choose the 440G-T27255

• Ensures hazardous motion stops before access is allowed

• Ideal for Category 4 / PLe safety-rated systems

• Tamper-resistant design with separate actuator key

• Durable IP67 enclosure for harsh industrial environments

• Trusted performance with Allen-Bradley safety solutions

Order Now

The Allen-Bradley 440G-T27255 safety interlock switch is available and ships worldwide.