Schneider Electric Telemecanique Zb4Bd28 Toggle Switch

Schneider Electric Telemecanique ZB4BD28 is a Harmony XB4 two-position maintained toggle switch designed for panel-mount installation in industrial control and operator interface systems. It features a 22 mm mounting diameter, a metal toggle actuator with a black handle, a chromium-plated bezel, and protection ratings of IP66, IP67, IP69, IP69K, with an operating temperature range from -40 °C to +70 °C, and it complies with IEC 60947-5-1. Commonly used in machine control panels, operator stations, conveyors, and packaging equipment where reliable two-position on-off control is required; common replacements include Schneider Electric ZB5AD28, XB4BD28, and ZB4BD2.