System Sensor B401BH Sounder Base Assembly
$80.00
System Sensor B401BH Sounder Base includes pre-assembled sounder and B401 base.
Designed for use with 400 Series plug-in sensor heads in conventional 2-wire systems.
Requires an external 24 VDC supply with reverse polarity capability.
Mounts directly to a 4.0" (101.6 mm) square electrical box, minimum 1.5" (38.1 mm) deep, using the mounting kit (included).
