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Home --> Fire Alarm Systems
B 401
  • General
  • Feature
  • Specification
This B401 plug-in detector base is used with System Sensor smoke and heat detector heads. The capability of plugging these detectors into a variety of special bases makes them more versatile than equivalent direct-wired models. Refer to the System Sensor catalog for other available plug-in detector bases. The B401 base is intended for use in 2-wire systems, with screw terminals provided for power and remote annunciator connections.
Base Diameter: 10.2 cm (4.0 inches) Base Height: 2.0 cm (0.8 inches) Weight: 152 g (0.34 lb.) Mounting: 50 mm box 60 mm box Operating Temperature Range: –10° to +60°C (14° to 140°F) — European Installation 0° to 49°C (32° to 120°F) — US/Australian Installation Operating Humidity Range: 10% to 93% Relative Humidity