Description
📦 Product Introduction The Allen-Bradley 440G-TZS21UTRH is an advanced guard locking safety switch belonging to the Guardmaster TLS-Z GD2 series. Engineered for demanding industrial safety applications, it utilizes a power-to-release mechanism to guarantee that hazardous machinery remains securely locked until safe conditions are met. Incorporating robust solid-state technology, high holding strength, and reliable status monitoring, it helps protect personnel from machinery with potential running hazards.
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📊 Technical Datasheet
- Model Number: 440G-TZS21UTRH
Rockwell Automation
- Manufacturer: Allen-Bradley / Rockwell Automation
NorthEast Electrical
- Operating Voltage: 24V AC/DC
Rockwell Automation
- Holding Force: 2000N (450 lbs)
- Safety Outputs: 2 x PNP (0.2A maximum)
Rockwell Automation
- Auxiliary Output: 1 x PNP Door Status
Rockwell Automation
- Actuator Type: Fully-Flex
Rockwell Automation
- Connection Type: 8-Pin Micro (M12)
Rockwell Automation
- Operating Temperature: -10°C to +60°C
EU Automation
- Country of Origin: United States
🔧 User Instructions
- Mounting: Fasten the switch body and fully-flex actuator securely to the safety guard frame using standard M5 mounting hardware, keeping proper alignment to prevent mechanical binding.
- Wiring: Connect the standard 8-pin micro (M12) cordset to the integrated connector base, ensuring power supply lines and signal cables map correctly to your safety relay or PLC.
- Commissioning: Energize the 24V supply circuit, check that the diagnostic LED indicators show normal operational status, and test the power-to-release locking cycle.
- Maintenance: Regularly inspect the actuator entry point for foreign debris accumulation and verify that mounting fasteners remain tight during scheduled safety audits.
❓ Frequently Asked Questions (Q&A)
- Q: How does the power-to-release operation function? A: The switch keeps the guard mechanically locked until power is intentionally applied to the internal solenoid, preventing access while machinery is dangerous.
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- Q: What kind of diagnostic feedback does this model provide? A: It features dual PNP safety outputs along with an independent PNP auxiliary output designed specifically to track door status.
Rockwell Automation
- Q: Is the actuator flexible for misaligned doors? A: Yes, it comes equipped with a fully-flex actuator style designed to accommodate minor mechanical door misalignments gracefully.
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