Allen-Bradley 440G-T21BGPT-4B is a Bulletin 440G Tongue Interlock Guard Locking Switch designed for safety gate and door monitoring. This model features a tongue-style actuator, a 24V DC solenoid for locking, and a contact configuration of 2 normally open (N.O.) and 2 normally closed (N.C.) safety-rated contacts. It provides a positive mechanical lock to prevent hazardous machine access and is rated for safety applications up to Category 4, PLe, and SIL 3 per relevant standards.

Electrical

• Guard Locking Switch The Allen Bradley 440G-T21BGPT-4B Guard Locking Switch is a robust and reliable safety component designed to enhance the operational safety of industrial machinery. This switch is integral to safety circuits, ensuring that machines cannot be restarted until the protective guard is securely closed. With its durable construction and advanced design, the 440G-T21BGPT-4B is ideal for various applications within factory automation environments.

Key Features

• Guard Locking Mechanism: Provides a secure lockout function that prevents unauthorized access or accidental machine operation, enhancing workplace safety.
• Electrical Rating: Rated for up to 10A at 230V AC, ensuring compatibility with a wide range of industrial applications.
• Durable Construction: Made from high-quality materials that withstand harsh industrial environments, ensuring longevity and reliability.
• Ingress Protection: Features IP67 rating, offering excellent protection against dust and water, making it suitable for demanding applications.
• Mounting Flexibility: Designed for easy installation with multiple mounting options to fit various machinery layouts and configurations.

Applications

• Manufacturing Safety Systems: Essential for safeguarding operators working near machinery, particularly in metalworking, packaging, and assembly lines.
• Compatibility: Works seamlessly with Allen Bradley’s safety relays and controllers, ensuring a cohesive safety system.
• Operational Environments: Suitable for both indoor and outdoor use, thanks to its robust protective features.

Benefits

• Increased Safety: Reduces the risk of accidental machine startup, protecting workers and equipment.
• Enhanced Reliability: Built to endure frequent use in challenging environments, minimizing maintenance and replacement costs.
• Compliance Assurance: Helps businesses comply with industry safety standards, ensuring operational integrity and worker protection. --- Product information compiled with AI assistance for reference purposes.