Heat Detectors – 280B -PL Series

The 280B-PL Series detector operates on a fixed temperature or combination fixed temperature and rate-of-rise principle. When the fixed temperature element is activated, the center disc of the detector will fall free. The detectors contact rating is 3 amps at 125 VAC and 1 amp at 28VDC. The finish is matte white.

281B-PL

Rate-of-rise and fixed temperature,135F (57C)