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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 Customer Review: Average Customer Review: 5 of 5 5 of 5 Total Reviews: 2 Write a review.

  9 of 10 people found the following review helpful:
 
5 of 5 Review left on 4/6/2013
Reviewer: Annette Carver from Twin Rocks, PA  
Purchased the UTC (Formerly GE Security/ESL) 541NBXT

Was this review helpful to you?

  9 of 10 people found the following review helpful:
 
5 of 5 Review left on 5/6/2013
Reviewer: Sung Patton from Summerville, SC  
Purchased the UTC (Formerly GE Security/ESL) 541NBXT

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