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ESR5 safety relays

The ESR5 electronic safety relays from the Eaton Moeller series provide reliable monitoring of safety installations such as emergency-stop buttons, safety doors, light curtains, and controllers, and will switch them to a safe operating state in the event of an emergency. Despite their narrow width, the safety relays meet the highest safety standards.

TÜV Rheinland, UL/CUL, CSA

Core features

Technical safety parameters: 

  • Up to performance level PL e according to EN ISO 13849-1
  • Up to safety integrity level SIL CL 3 according to IEC 62061
  • Up to 5 enabling-current paths and 2 signal-current paths
  • TÜV Rheinland, UL/CUL and CSA approvals
  • UC versions available

Safe monitoring of emergency-stop circuits

The internal logic of the safety relays monitors the safety circuits and activates the enabling-current paths if no faults are detected. The enabling-current paths will be switched off if the safety device has been actuated or in the event of a fault.

Monitoring of movable guards

The monitoring of protective guards and doors is another important function. In addition to restart monitoring, the safety relays can also be used to implement automatic starts. This shortens the cycle times of production processes without compromising on safety.

ESR5 safety functions

The devices offer the following safety functions: emergency shutdown, the monitoring of movable guards, the monitoring of exposed hazardous areas, safe operation with two-hand control, delayed and instantaneous contact expansions, and shutdown with off delay.
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