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UTC (Formerly GE Security/ESL) 541NBXT 4-Wire Photoelectric Smoke Detector, Heat
541NBXT UTC (Formerly GE Security/ESL) | JMAC Supply
 

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Product Code: UTC-GE-ESL-541NBXT
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UTC (Formerly GE Security/ESL) 541NBXT 4-Wire Photoelectric Smoke Detector, Heat


  • Also known as: ES-541NBXT, GES-541NBXT

    • UPC: 046188094523
    Also known as: ES-541NBXT, GES-541NBXT

    The UTC 541NBXT self-diagnostic, 4-wire smoke detector is a conventional direct-wire smoke detector with analog features such as a heat sensor, drift compensation, and multi-criteria detection.

    The 541NBXT continually monitors its own sensitivity and operational status, and provides a visual and remote trouble condition if the unit drifts out of the sensitivity range or fail internal diagnostics.

    The 541NBXT is equipped with both a rate-of-rise and fixed temperature sensor and operates on 6.5 - 33 VDC.    		Features:
    • 4-wire
    • Photoelectric
    • Heat sensor
    • Built-in sounder available in two- and four-wire models
    • Patented CleanMe feature
    • Built-in dust compensation
    • Field-replaceable optical chamber
    • Self-diagnostics Meets NFPA 72 Sensitivity Testing Requirements without the Need for External Meters
    • Worlds Only Replaceable Optical Chamber Makes Any Required Cleaning a Snap
    • Small, Low Profile Design Blends w/Any Environment
    • Large SEMS Screw Terminals Accept 12-18 AWG Wire


    Technical Specifications:
    • Power Supply: 12/24 V operation: 8.5 to 33 VDC polarity sensitive
    • Maximum ripple: (pk to pk) 10% (V p-p)
    • Typical average standby current: 70 uA (12/24V)
    • Typical alarm current (12/24V): up to 60mA max. if not limited by control panel
    • Aux. relay contacts: 2A @ 30VDC
    • Alarm contacts: 500mA @ 36VDC (resistive)
    • Photoelectic sensitivity: 3.1% + 0.5 - 1.0%
    • Operating termperature: 32 to 100F (0 to 37C)
    • Operating humidity range: 0 to 95% non-condensing
    • RFI immunity: 20V/m minimum; 1-1000MHz
    • Color: White head and base
    • Field wiring size: 12-24 AWG
    • UL 2-wire compatibility identifiers: S10A, S11A
    • Drift compensation adjustment: 1.0%/ft. max
    • Detector head dimensions: 5.5 in. (140 mm) dia.; 2 in. (50 mm) high
    • lMounting dimensions: 5.25 in. (133 mm) dia.; 0.3 in. (8 mm) high
    • Reset time: 1 second minimum
    • Listings: 511 UL 268


    Average rating: 5.0, based on 2 reviews


    For more information about the UTC (Formerly GE Security/ESL) 541NBXT, please contact us.

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