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System Sensor

System Sensor EOLR-1 4-Wire Device Required Relay

System Sensor EOLR-1 4-Wire Device Required Relay

Regular price $18.50 USD
Regular price Sale price $18.50 USD
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GENERAL DESCRIPTION Model EOLR-1 is an epoxy encapsulated single pull single throw (SPST) normally open relay that is activated by 9 to 40 VDC. This relay can be used as an end of line device in fire alarm systems, e.g., to supervise power supplies.

MOUNTING For ease of installation, the EOLR-1 relay may be mounted in a variety of ways. It can be attached to equipment or inside an enclosure using the mounting screw or double sided tape.

WIRING NOTE: All wiring must conform to applicable local codes, ordinances, and regulations. The EOLR-1 connections are shown on the label on the side of the relay. Using the enclosed wire nuts, secure the electrical connections appropriate to the application.


  • Potted with pigtail
  • 20 mA DC max.
  • 10 - 100% RH
  • -22°F to 140°F (-30°C to 60°C)
  • 9 to 40 VDC
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