Mitsubishi UCON-D250B-W(INST) Description Description Mitsubishi Controller; DC 220 – 250V Inst. trip (Time delay adj.), b-contact Related products MITSUBISHI FR-A540-0.75K-EC MITSUBISHI FX0-30MR-ES Mitsubishi FX2N-48ER-DS MITSUBISHI FR-A540-15K-EC MITSUBISHI FR-A540-22K MITSUBISHI MR-J2-40A