Schneider Electric SE ZB3BW03 Pilot Light Base

Schneider Electric SE ZB3BW03 is a panel-mount pilot light base from the Harmony ZB3 series, designed for industrial signaling and indication in machine control panels, conveyors, and packaging equipment. It features a 30 mm mounting diameter and a 120 V AC rating, with the lamp type specified as without bulb, making it a base ready for a compatible signaling lamp. Used by maintenance teams and system integrators for replacement, retrofit, and control panel maintenance, it supports operator stations and production equipment requiring reliable status indication. This part number ZB3BW03 is discontinued and commonly replaced by Schneider Electric XB4BVB3, with similar variants including XB5AVB3 and XB7EV03.