Bow thruster BOW125 Ø250mm - 12V - 125Kgf BOW bow thrusters from 25 to 285 Kgf. On-off control - port and starboard. 12V, 24V and 48V power supplies. Thrust of 125Kgf. Operating time between 2 and 4 minutes. Integrated thermal protection. Series wound DC motor with carbon brushes.