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Rate-of-rise/Fixed Temperature Heat Detectors

CR/CF Series

Description



  • Double pole - normally open contact

  • Low profile

  • Aluminum finish

  • Mounting flexibility with screw terminals

  • Positive alarm indication - for fixed temperature element

  • 70 ft spacing (CR models only)


CR/CF Series heat detectors offer fixed temperature or combination rate-of-rise and fixed temperature detection.

RATE-OF-RISE:  A temperature increase at the sensor of 15F (9C) or more per minute activates the rate-of-rise feature.  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.

FIXED TEMPERATURE:  If the temperature of the center disk rises to the sensor's rated temperature, the fixed temperature element activates.  This closes contacts in the sensor and transmits an alarm condition to the fire alarm control panel.  The fixed temperature element is non-restorable and, when activated, the detector must be replaced.  The need for replacement is indicated when the center disk has fallen free from the detector.

Rate-of-rise/Fixed Temperature Heat Detectors

Link to this product

Catalog Numbers

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Catalog Number
Description
  CF135-2

Heat detector, double contact, 135F fixed temperature

$91.18
  CF200-2

Heat detector, double contact, 200F fixed temperature

$91.18
  CR135-2

Heat detector, double contact, rate of rise/135F fixed

$91.18
  CR200-2

Heat detector, double contact, rate of rise/200F fixed temperature

$91.18

Specifications

Approvals

Agency Approvals



  • UL Listed

  • ULC Listed


Specifications

UL Recommended Coverage
CR Series:  4900 sq. ft. (456 sq m)
CF Series:  1600 sq. ft. (149 sq m)

UL Recommended Spacing
CR Series: 70 ft (21.3 m)
CF Series:  40 ft (12.2 m)

Contacts - Rating:  Single Pole Normally Open
3.0A @ 125 Vac
1.0A @ 28 Vdc
0.3A @ 125 Vdc
0.1A @ 250 Vdc

Documentation

Fire Alarm Sales Tools