ESL (541NCRXT) Smoke Detector Replacement for ESL 449CRT



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Photoelectric Heat and Smoke Detector

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At Life Safety Consultants, we offer a variety of fire alarm replacement parts like the ESL 541NCRXT Smoke Detector.  The 541NCRXT is a UL listed 4-wire 12/24VDC Photoelectric Heat and Smoke Detector with dual fixed temperature and rate-of-rise heat sensor conditions as well as an auxiliary relay.
The 500N series self-diagnostic, 4-wire smoke detectors continually monitor their own sensitivity and operational status, and provide a visual trouble indication if they drift out of sensitivity range or fail internal diagnostics. The detector is easily cleaned by replacing the proprietary field replaceable optical chamber and are designed to reduce false alarms from dust, insects, RFI and external light. An integral combination rate-of-rise and fixed 135 degreeF (57 degreeC), 50-foot rated, heat sensor is available with all “T” model detectors. This detector will also include a 500PLT adapter plate that enables replacing legacy 400 Series with 500N Series smoke detectors.

This detector is a direct replacement for the 445CR, 445CRT and 449CRT detectors.

This high-quality detector will ensure your system is always in proper working order, so place your order today and we’ll ship it to you immediately.

For more information about this ESL replacement detector, contact the Life Safety Consultants team at (888) 557-0558, or email us at :

Additional information

Weight1.0 lbs
Dimensions4 × 4 × 1.5 in



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