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440G-LZ Guard Locking Switches

440G-LZ Guard Locking Switches

440G-LZ Guard Locking Switches

The 440G-LZ Guard Locking Switch is designed for partial body access guard doors. This switch combines microprocessor technology with an RFID coded actuator, and it features a locking bolt drive mechanism that locks only when the correct actuator is detected. With this functionality, the switch is TÜV certified to Ple, Cat. 4 (EN/ISO 13849-1) which is the highest level of safety for guard door position and lock monitoring.

Features and Benefits

  • Consumes up to 60% less power than competitive products
  • Offers RFID standard coded (low) or uniquely coded (high) actuators
  • Available in two models: power-to-release (safety of people) and power-to-lock (machine protection)


440G-LZ Guard Locking Switch Installation Instructions


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Guardmaster 440G-LZ Guardlock Switch