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Edwards Signaling 281B-PL Heat Detector, Rate-of-Rise & Fixed, 135F Rating
281B-PL GE Security | JMAC Supply
 

Our Price: $19.95

Product Code: EDWARDS-SIGNALING-281B-PL
Discontinued, Call For Replacement

Description Product Resources
 

Edwards Signaling 281B-PL Heat Detector, Rate-of-Rise & Fixed, 135F Rating


UPC: 782640228517
Also known as: 281BPL, ED-281BPL, GES-281BPL


The EDWARDS-SIGNALING-281B-PL is a combination fixed temperature/rate-of-rise detector. The heat detector is available with a white plastic reversible mounting plate which can be used for flush or surface mounting.

The 281B-PL's rate-of-rise operates with an increase at the sensor of 15F (9C) or more per minute. This closes the contacts in the sensor to transmit the alarm condition to the fire alarm control panel. When the rate-of-rise element alone has been activated, the sensor is self-restoring.

The fixed temperature feature of the 281B-PL has a rated temperature of 135F, which when activated, closes contacts in the sensor and transmits an alarm condition to the fire alarm control panel.
Features:
  • UL listed for 50 ft. (15.2m) spacing
  • Single pole normally open contact
  • Low profile with mounting plate
  • Pure white finish
  • Mounting flexibility with screw terminals
  • Easy twist-on installation
  • On-site testing of rate-of-rise feature
  • Positive operating indication for fixed temperature element
  • Agency Listings UL, FM, CSFM


Technical Specifications:

  • UL Temperature Rating: 135F (57C)
  • UL Max Ambient Temp. at Ceiling: 100F (38C)
  • Rate-of-rise: 15 F (9 C), self restoring
  • UL Recommended Coverage: 2,500 ft. (232 m)
  • UL Recommended Spacing: 50 ft. (15.2 m)
  • FM Recommended Spacing: 30 ft. (9.14 m)
  • UL Maximum Distance from Wall: 25 ft. (7.6m) from any wall or projection extending down from the ceiling more than 12 inches (305 mm)
  • Contacts Rating: Single Pole Normally Open 3.0 amps at 6 to 125 Vac; 1.0 amp at 6 to 24 Vdc; 0.3 amps at 125 Vdc; 0.1 amps at 250 VDC
  • Evironment: Indoors and Dry

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

  8 of 8 people found the following review helpful:
 
5 of 5 Review left on 4/11/2013
Reviewer: Doretta Wall from Brookfield, MO  
Purchased the Edwards Signaling 281B-PL

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  7 of 7 people found the following review helpful:
 
5 of 5 Review left on 5/17/2013
Reviewer: Karey Compton from Hawaiian Gardens, CA  
Purchased the Edwards Signaling 281B-PL

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