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Electromagnetic switch: when safety is a priority

The Rockwell Automation electromagnetic safety switch was designed to improve machine safety and help protect a work process from unplanned downtime.

The production process downtime can cause different problems such as defective products and high scrapping costs. For this reason, a reduction in machine downtime can be useful for improving productivity and reducing scrap.

Rockwell Automation 440G-EZ electromagnetic safety switch features

  • Non-contact interlocking device with a locking function (Power to Lock – PTL)
  • Process and machine protection per ISO EN 14119
  • PLe, SIL 3 for interlocking applications
  • 500 N holding force
  • 50 ms response time
  • Ease of installation and alignment: no tongue interlocks
  • Mounting options: surface or flush mount
  • IP67 enclosure
  • GuardLink® compatibility
  • M12 Micro QD 5 and 8 pin connection options

Allow access to potentially hazardous areas when the work area is truly safe! The 440G-EZ electromagnetic safety switch is a cost-effective interlock solution that combines a Power to Lock (PTL) magnetic locking function featuring a 500N holding force and with ±5 mm misalignment tolerance.

The 440G-EZ electromagnetic safety switch can be connected in series with other Cat 4, SIL 3 or PLe rated safety devices. The magnetic locking feature further aids in door stability and reduces misalignment and nuisance tripping.
To simplify installation, troubleshooting and maintenance, the switch offers on-board LED diagnostics indicating switch status as well as when the state of the output signal-switching devices (OSSD’s) are locked or unlocked..

How the switch 440G-EZ works

Power up switch, no actuator presentNot in sensing rangeSteady red indicatorOFFOFF
Add actuator Within sensing rangeSteady green indicatorONON
Apply lock commandWithin sensing range Steady green and yellow indicatorONON
Forcibly slide the actuator off the sensor, when lockedNot in sensing rangeSteady red and yellow indicatorOFFOFF

LED YELLOW = lock supplied with voltage
LED RED = OSSDs OFF – RFID not present

Design to meet global standards, the 440G-EZ safety electromagnetic switch is mainly used in applications where safety is a priority.

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