The System Sensor B501-WH 4-inch Plug-in Detector Base is a plug in detector bases intended for use in an intelligent system with screw terminals provided for power and remote annunciator (RA400Z/RA100Z) connections. Communication takes place over the power lines (+ and –). Mounts directly to 4″ square with plaster ring, 31/2″ octagon, 50 mm, 60 mm, and 70 mm centers.
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System Sensor B501-WH 4-inch Plug-in Detector Base (White)
$21.00
Categories: Shop Brand, Smoke and Heat Detector, System Sensor
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