Edwards Signaling EC20FTU-3

Low-profile Plug-in Fixed Temperature Heat Detector

Condition: New
Brand: Edwards Signaling
Status: Obsolete
SKU: 38179
Manufacturer Part #: EC20FTU-3
Replacement: EC2-OSH + EC2-SB


The EC Series of low-profile plug-in smoke and heat detectors measure-up to the quality and performance standards that have made EST fire detection products the industry’s best price performance buy available today. Meticulously engineered to deliver high-performance features, superb reliability, and unbeatable quality, the EC Series is a low-cost solution for conventional detection applications.

The EC20FTU-3 is a high-performance fixed-temperature heat detector with an alarm threshold of 135° F (58° C)

Additional information

Weight 0.2 lbs
Dimensions 4.65 × 4.65 × 2.40 in



Material Qualities

Fire Retardant, High Impact Resistance


Thermal Rating


Detection Method

Fixed Temperature

Production Status



  • Rate-compensated technology
    Reduces the effects of thermal lag that slows the response of standard rate-of-rise and fixed temperature detectors.
  • At-a-glance alarm indication
    An on-board high-intensity LED glows bright red when the unit is in alarm, making response a simple and straightforward operation.
  • Non-polarized
    Simplifies installation of field wiring.
  • Simple to install, difficult to vandalize
    Twist-and-lock design saves installation and maintenance time. Field-configurable locking mechanism prevents unauthorized removal.
  • Flexible mounting options
    Compatible standard base mounts to 1-gang, 4” octagonal, BESA, or European single-gang boxes.
  • Attractive appearance with clean, modern lines
    Low-profile design blends easily with surroundings, extending less than 2 1⁄2” (61 mm) from the ceiling, including base.


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EC Series Smoke and Heat Detectors


EST - Data Sheet