Bussmann ECAPMP Busbar Endcap Brand: Bussmann. Part Number: ECAPMP. Bussmann Busbar End Cap, 3-Phase, For Use With: Comb Busbar, 21.6 mm W x 9.5 mm D x 24 mm H. Additional Description: BUSS-ECAPMP (N) 2 ro 3-Phase Endcap (1000v DC). Catalog Description: Eaton Bussmann series comb busbar, Busbar end cap, Three-phase..