Description
The System Sensor 5351B is a premium intelligent heat detector engineered for addressable fire alarm systems. Designed for versatile fire-detection zones, this detector offers programmable temperature thresholds, rate-of-rise sensing, and full intelligent loop communication for advanced monitoring and diagnostics.
With dual LEDs for 360° visibility, low standby current, rotary address setting switches, and compatibility with major base types, the 5351B makes installation, maintenance and system integration seamless. Whether used in commercial, industrial or institutional environments, it delivers reliable performance in open-area protection applications.
💡 Key Features
-
Intelligent addressable heat detector: connects to signalling line circuit (SLC) and reports status to the control panel.
-
Programmable detection modes: fixed-temperature (135 °F/57 °C) or high-temperature option (190 °F/88 °C), or rate-of-rise + fixed.
-
Dual bi-colour LEDs for status indication (alarm, trouble, normal) with remote annunciator option.
-
Low standby current (~200 µA @ 24 V DC) and compact housing (Ø156 mm, height ~51 mm).
-
Rotary dial address selector (tens/ones) for up to 159 addresses on loop.