440G-TZS21UPLH
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Overview of Allen Bradley 440G-TZS21UPLH
The Allen Bradley 440G-TZS21UPLH is a Guardmaster TLS-Z GD2 guard locking switch designed for power-to-lock safety applications. It operates on a 24V DC power supply and offers reliable door guard locking with a fully flexible actuator. Featuring solid-state contacts and a compact design, this switch is engineered for guarding hazardous machinery, ensuring that guards remain locked during operations to prevent accidental access. Its robust design includes durable plastic housing and enhanced locking force, meeting rigorous safety standards such as C-TICK, CCC, and KC certifications. The switch provides essential safety interlocking functions, combined with auxiliary outputs for status monitoring, making it a critical component in industrial safety control systems.Key Features of Allen Bradley 440G-TZS21UPLH
- Power-to-lock operation at 24V DC ensuring fail-safe guarding
- Fully flexible actuator design for versatile installation
- Two Normally Closed (N.C.) safety contacts and one Normally Open (N.O.) auxiliary contact
- Solid-state contact type for enhanced reliability and durability
- Robust plastic housing with stainless steel actuator component
- 8-pin DC quick-disconnect connector for easy wiring
- Locking force up to 2600 N with steel bolts for secure guard locking
- Operating cycle frequency up to 1 Hz with quick response times
- Certified to international standards including C-TICK, CCC, and KC
- Low power consumption with 50 mA when solenoid is not energized, 120 mA energized
Technical Specs of 440G-TZS21UPLH
| Specification | Details |
|---|---|
| Operating Voltage | 24V DC +10% / -15% |
| Contact Configuration | 2 N.C. Safety, 1 N.O. Auxiliary |
| Locking Force (Steel Bolts) | 2600 N (585 lb) |
| Locking Distance (Target) | 13 mm (0.51 in) |
| Actuation Speed Max | 160 mm/s (6.29 in/s) |
| Power Consumption | 50 mA (no load), 120 mA (energized) |
| Connection Type | 8-Pin DC Quick Disconnect |
| Material | Plastic housing, stainless steel actuator |
| Operating Temperature | 0°C to 55°C (32°F to 131°F) |
| Duty Cycle | 33% |
Applications / Use Case
The Allen Bradley 440G-TZS21UPLH is widely used in industrial automation environments requiring safe machine guarding and interlocking. It is ideal for securing access doors on hazardous machinery, providing monitored lock status to prevent accidental exposure to dangerous equipment during operation. This guard locking switch is suited for manufacturing plants, packaging lines, robotics cells, and automotive assembly that demand strict compliance with safety regulations. Its power-to-lock function ensures that the guard remains locked unless power is applied, delivering fail-safe protection. Integrated auxiliary outputs support system monitoring and troubleshooting. The compact, durable design facilitates installation in tight or rugged spaces, contributing to operational safety and efficiency.Related Resources
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