BU-3700-TEIKOUKI GRZG200 | Brake discharge resistor for FR-BU2。Mitsubishi Fr-bu2-h55K-06 Brake Unit For Inverter Dc800V Bc172D457H22。Mitsubishi Fr-bu2-h55K-06 Brake Unit For Inverter Dc800V Bc172D457H22。Braking Unit for FREQROL Inverter | Mitsubishi Electric | MISUMI。6D172 MITSUBISHI FREQROL BRAKE OPTION BU-3700 動作保証