電源ユニット MITSUBISHI FREQROL BRAKE OPTION BU-3700 Mitsubishi。Braking Unit for FREQROL Inverter | Mitsubishi Electric | MISUMI。Braking Unit for FREQROL Inverter | Mitsubishi Electric | MISUMI。Braking Unit for FREQROL Inverter | Mitsubishi Electric | MISUMI。6D172 MITSUBISHI FREQROL BRAKE OPTION BU-3700 動作保証