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New safety switch provides interlocking on all types of guard doors

Home Engineering Automation & Control New safety switch provides interlocking on all types of guard doors

THE new Allen-Bradley Guardmaster 440G-EZ electromagnetic interlocking switch enables the physical interlocking of guard doors, allowing access to a potentially hazardous area only when the area is safe.

This, according to Rockwell Automation, owner of the Allen-Bradley line of factory automation equipment, which says the new switch can help keep people safe and protect a process from unplanned downtime to improve productivity and efficiency.

The 440G-EZ electromagnetic safety switch uses a power-to-lock (PTL) magnetic locking function, which increases door stability, and reduces misalignment and nuisance tripping. With its high holding force and misalignment tolerance, the 440G-EZ switch is intended for use on all types of guard doors.

The 440G-EZ switch has a low-profile housing design. It has multiple mounting and connection options, including 5-pin or 8-pin M12 micro quick disconnect pigtails for optimal installation flexibility.

To simplify installation, troubleshooting and maintenance, the switch offers onboard LED diagnostics, indicating switch status when the state of the output signal-switching devices are locked or unlocked.

The 440G-EZ safety switches are TÜV-certified up to Cat 4, SIL 3, PLe — the highest level of safety for guard position.

 

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