ZB4BZ105 is a 22 mm metal auxiliary contact block for Schneider Electric's Harmony XB4 push-button systems, providing a two-pole configuration with one normally open (NO) and one normally closed (NC) contact. It mounts to the button via a body/fixing collar and uses screw-clamp terminals for wiring. It is rated for up to 10 A at 600 V (AC) per Schneider Electric distributor data. Its operating temperature range is -25 to 70 °C. Compatibility includes the Harmony XB4 metal push-button range, and it is designed to work with the Harmony XB5 plastic ranges as documented by Schneider Electric.
