440G-T27251
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Overview of Allen Bradley 440G-T27251
The Allen Bradley 440G-T27251 is a Guardmaster Guardlock safety switch designed to enhance machine safety by providing reliable guarding and locking solutions. This key-operated safety switch is engineered to ensure access control to hazardous areas, preventing accidental machine startup during maintenance or intervention. Featuring a robust design and industrial-grade materials, the 440G-T27251 supports safety functions with a durable actuator and a secure holding force of 2000N (450 lbs). Its integration with standard control systems is facilitated by an M20 conduit entry, supporting seamless wiring and installation. The device operates effectively in a wide range of industrial environments, complying with safety standards for guarding applications.Key Features of Allen Bradley 440G-T27251
- Key-operated Guardmaster safety switch for secure access control
- Standard actuator designed for reliable locking and unlocking
- High holding force of 2000N (450 lbs) for secure locking
- 24V AC/DC solenoid voltage for compatibility with common control systems
- M20 conduit entry facilitating easy wiring and conduit connection
- Contact configuration includes two normally closed safety contacts and one auxiliary contact
- Designed for safety function with force-guided contacts to monitor switch status
- Enclosure rated for industrial environments ensuring durability
- Suitable for integration in safety circuits to prevent unauthorized machine access
Technical Specs of 440G-T27251
| Specification | Details |
|---|---|
| Solenoid Voltage | 24V AC/DC |
| Actuator Type | Standard key-operated |
| Holding Force (Fzh) | 2000 N (450 lbs) |
| Connection Type | M20 Conduit Entry |
| Contact Configuration | 2 N.C. Safety contacts + 1 auxiliary |
| Operating Temperature | 0 to 55 °C (32 to 131 °F) |
| Protection Rating | Industrial enclosure suitable for harsh environments |
Applications / Use Case
The Allen Bradley 440G-T27251 safety switch is ideal for guarding access points on machinery where safety is critical. It is commonly used in manufacturing plants, assembly lines, and automated equipment to ensure that machines cannot start when a guard or door is open. This switch is frequently employed in applications such as safety gates, interlocked doors, and hazardous zone entry points, providing controlled access to operators and maintenance personnel. Its robust holding force and secure locking mechanism make it effective for environments requiring stringent safety compliance to prevent injuries. The 440G-T27251 integrates well with emergency stop systems and other control circuitry to maintain a safe workplace.Related Resources
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