Control Box and master controller
This marine control box can control the starting braking, running ,back running,change speed and protection of three-phase pole- change multi-speed motors for driving machines, such as windlasses ，warping capstan and mooring winches with the cooperation of the marine master.
The rated voltage of the Control Box & master controller is 380V or 440V. The protection grage is IP56.
2.There are dewdrops alt-dog and oil fog
3.There are shck and vibration periodical vibration:土22.5，transverse slope:土22.5
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