Ivory color, 4” standard European flangeless mounting base. UL/ULC listed. Made in India

Plug in Detector Base: 15 to 32V DC: 150µA: Ivory
B501 bases are four-inch flangeless mounting bases designed for use with System Sensor® 200 Series detectors. They are intended for use with intelligent systems that have screw terminals for power (+ and -) and remote annunciator connections.

Select Series Mounting Base Options