System Sensor B501BF Plug-in Detector Base
$25.00
The System Sensor B501BF Plug-in Detector Base is intended for use in an intelligent system with screw terminals provided for power and remote annunciator connections. The communication takes place over the power lines.
This product is for use with System Sensor 1551F, 2551F, 5551F, & 5551FR Detector Heads.