{"product_id":"system-sensor-eolr-1-supervision-relay","title":"System Sensor EOLR-1 End-of-Line Supervision Relay","description":"\u003cp\u003eThe System Sensor EOLR-1 is an epoxy-encapsulated, normally open SPST relay used to supervise external power at the end of a compatible fire-alarm initiating-device circuit. A common application is monitoring power supplied to four-wire smoke or heat detectors.\u003c\/p\u003e\u003ch2\u003eKey specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e9–40 VDC operating range\u003c\/li\u003e\n\u003cli\u003e20 mA maximum operating current\u003c\/li\u003e\n\u003cli\u003eNormally open SPST relay\u003c\/li\u003e\n\u003cli\u003ePotted construction with pigtail leads\u003c\/li\u003e\n\u003cli\u003eOperating temperature range of -22°F to 140°F\u003c\/li\u003e\n\u003cli\u003eDesigned for end-of-line power supervision applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eLife-safety installation requirements\u003c\/h2\u003e\u003cp\u003eThe EOLR-1 is a supervision relay, not a substitute for the circuit's required end-of-line resistor. Location, wiring, voltage, panel compatibility and initiating-device listing must follow the approved system design and manufacturer instructions. Installation and testing should be performed by qualified fire-alarm personnel.\u003c\/p\u003e\u003ch2\u003eLicensed fire-alarm support in Texas\u003c\/h2\u003e\u003cp\u003eAvenger Security provides licensed fire-alarm design, installation, testing and service throughout Austin, Central Texas and statewide. Life-safety equipment must be installed and tested in accordance with the approved system design, manufacturer instructions and applicable codes. New clients considering new service can request a no-cost onsite visit and up to one hour of initial consultation. Existing troubleshooting, diagnostics and repair are billable services.\u003c\/p\u003e","brand":"System Sensor","offers":[{"title":"Default Title","offer_id":40981521268913,"sku":"","price":18.5,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0578\/4000\/9393\/files\/System-Sensor-EOLR-1-4-Wire-Device-Required-Relay-Avenger-Security-53530481.jpg?v=1750207305","url":"https:\/\/securitytekton.com\/products\/system-sensor-eolr-1-supervision-relay","provider":"Avenger Security","version":"1.0","type":"link"}