Buttons Closed contact NC Harmony XAC- SCHNEIDER ZB2BE102 €5.25 (€4.41 tax excl.) Closed contact (NC) for front mounting, compatible with Schneider XB4, XB5 and XACA series. In the Harmony XB4 and XB5 series it is easily mounted on the back of the ZBE50x high power switching contacts. In the Harmony XACA series it is mounted on the XACA and XACD type pendant control stations. Reference: ZB2BE102 Representative image for illustrative... Add to cart