Ri4Power 185 mm busbar systems up to 2100 A Component adapter 185 mm Component adapter 185 mm Component Adapters Terminal fastening For circuit breakers from ABB, Eaton, Schneider Electric and Siemens. For rail systems with 185 mm center-to-center distance. To product Component adapter 185 mm Component Adapters Screw fastening For circuit breakers from ABB, Eaton, Schneider Electric and Siemens. For rail systems with 185 mm center-to-center distance. To product