25-year design life.
The winch should have the functions of electric and manual operation. These two functions can be operated independently of each other. The manual operation should use the handwheel type: and has a winch lifting limit function and a lock function.
The steel wire rope, rigging and shackle can be made of stainless steel or other materials with sufficient strength to resist seawater corrosion.
The material of the motor casing should be resistant to seawater corrosion, and the protection rating of all electrical equipment is IP56.
Motor insulation class F, temperature rise requires class B