Mitsubishi PARTS S-N20 MAIN CONTACT KIT BH739N300 Description Description Mitsubishi Main contact kit. For S-N20, S(D)-N21; Replacement kit for 3 poles Related products Mitsubishi FX2N-48ER-ES/UL Mitsubishi FX2N-32ET-ESS/UL MITSUBISHI FR-PU04 MITSUBISHI A1ADP-SP MITSUBISHI FR-A540-22K Mitsubishi FX2N-16EX-ES/UL