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Duty Rating


There are 6 main duty ratings for hoist, trolley, crab units and end carriage units, including ‘M3‘, ‘M4’, ‘M5‘, ‘M6‘, ‘M7‘ and ‘M8‘. When a duty rating increases this is achieved by the hoist unit incorporating much bigger and heavier duty components, such as the use of over rated motors to prevent output reaching the MAX ‘ED’ (Einschaltdauer – which means MAX duty factor) of the motors, eliminating burn out and labouring. Please see below the specifications of each duty rating:

 

M3 (1Bm) Duty

 

 

M4 (1Am) Duty

 

 

M5 (2m) Duty

 

 

M6 (3m) Duty

 

 

M7 (4m) Duty

 

 

M8 (5m) Duty

 

 

 

 

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