富士電機
The C151B trains is the third commuter type Electric Multiple Unit (EMU) after the C751B and C151A trains which features electric systems fully manufactured by Fuji Electric. These electric systems are made in Japan. Propulsion is controlled by VVVF Inverter with 2-level IGBT semiconductor controller, rated at 415 kVA. Each inverter unit controls two motors on one bogie (1C2M), and one motor car features two of such units. Motors are three-phase AC induction type, model MLR109, with a maximum output of 140 kW.