YZ-H series marine single-speed and double-speed three- speed three-phase induction motors for hoisting aredesigned and manufactured according to GB755"Basic Requirement for Electrical Machines"，GB7060"Basic Technical Requirement for Marine Electrical Machines","Technical Conditions for YZ-H Series Marine Single-speed and double speed Three phase lnduction Motors for Hoisting"They have the features of good function, small volume,Iow noise and convenient protection. They are applicable to short-time drive of the winches and capstans and intermittentdrive forhoisting:

This series is in accordancewith thefollowinq standard:

IEC34 rotary motor

IEC68 testing process of basic environment

IEC72 mounting arrangementsand power of rotary motor

IEC92 marine electrical devices

Operating Conditions:

Temperature:-25℃~+45℃

Heightabove sea level: 0m

Humidity:≤95%

There are dewdrops,salt-fog and oil-fog.

Thereareshockandvibration.

Periodicalvibration: ±22.5℃

Transverseshope:15°

Longitudinat solpe: 10