ABB EHCK550-3 Contact Kit

EHCK550-3 is ABB’s replacement main-contact kit for the EH550 three-pole contactor, intended to replace the main contact sets on all three poles of the EH550-3P device. It is compatible with ABB EH550-series 3P contactors and is used in industrial motor control and power switching installations where the EH550 is employed. As a direct replacement, it is part of ABB’s EH family and designed to fit the EH550 hardware, maintaining alignment with the original contact geometry and pole arrangement for consistent operation in service. The kit supports maintenance and repair workflows by restoring the primary power path through the three main contacts, enabling continued control of high-current loads in commercial and industrial settings.