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UTC (Formerly GE Security/ESL) 541NCSRXT 4-Wire Photoelectric Smoke Detector, Sounder, Auxiliary Relay, Heat
541NCSRXT GE Security | JMAC Supply
 
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Product Code: UTC-GE-ESL-541NCSRXT
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UTC (Formerly GE Security/ESL) 541NCSRXT 4-Wire Photoelectric Smoke Detector, Sounder, Auxiliary Relay, Heat

The UTC 541NCSRXT is a 4-wire, photoelectric smoke detector equipped with a heat sensor, sounder, and auxiliary relay. The unit works on the light-scattering principle where a pulsed infrared light-emitting diode serves as the light source, and a high-speed photo diode as the sensing element. This design has superior protection agains false/nuisance alarms caused by dust, insects, RF, and ambient light.

A confirmed alarm causes the LED to light continuously. The unit indicates trouble by flashing the LED every second. This meets the NFPA 72 field sensitivity testing requirements.

The 541NCSRXT mounts to a standard single-gang electrical box, a 4-inch octagonal box, a 4-inch square electrical box, or WIREMOLD No. 5739 fixture box.
Features:
  • Built-in sounder available in four-wire models
  • Patented CleanMe feature
  • Built-in dust compensation
  • Field-replaceable optical chamber


Technical Specifications:

  • Power supply: 12/24 V operation, 8.5 to 33 VDC polarity sensitive
  • Maximum ripple p-p: (6/12/24 V): 10% (V p-p)
  • Typical average standby current: 70 A
  • Typical alarm current (6/12/24 V): up to 60 mA max. if not limited by control panel
  • Auxiliary relay contacts: 1.0 A @ 30 VDC; Form C
  • Alarm contacts: 500 mA @ 36 VDC (resistive)
  • Heat detector, rate of rise: 15F/min (8.3C/min) and > 105F (40.6C)
  • Heat detector, fixed threshold: 135F (57.2C)
  • Detector head dimensions: 5.5 in. (140 mm) dia.; 2 in. (50 mm) high
  • Mounting dimensions: 5.25 in. (133 mm) dia.; 0.3 in. (8 mm) high
  • Weight: 9.6 oz. (272 g)
  • Construction: ABS plastic
  • Color: White head and base

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

  10 of 10 people found the following review helpful:
 
Review left on 4/18/2013
Reviewer: Jaqueline Irwin from Dike, IA  
Purchased the UTC (Formerly GE Security/ESL) 541NCSRXT

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  7 of 7 people found the following review helpful:
 
Review left on 6/5/2013
Reviewer: Ulrike Hammond from Fence, WI  
Purchased the UTC (Formerly GE Security/ESL) 541NCSRXT

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