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Comparison of FEM, HMI, & CMAA Classifications
Class I - Locations
Hoist ClassificationCorresponding Crane ClassTypical Application
FEMHMIISOCMAADIN 15018 and sim.DIN 15018 and sim.
1CmH1M2Class AH1/B2Maintenance crane in machine house. Used only occasionally.
1BmH2M3Class BH1/B2Light duty work shop crane, single shift operation, low average loads. Maximal load lifted occasionally.
1AmH3M4Class CH2/B3Light/Medium duty work shop crane, single shift operation, medium average loads. Occasional lifting of max load.
2mH4M5Class DH2/B3Medium/heavy duty work shop crane, 1 or 2 shift operation. Reular medium and heavy loads.
3mH4M6Class DH2/B3
or
H3/B4
Heavy duty crane, 2 shift operation. Nominal load regularly lifted Traverse or other dead loads below the hook.
4mH4
or
H5
M7Class D
or
Class E
H3/B4
or
H4/H6
Very heavy duty crane, 2-3 shift operation, grab or magnet below the hook. Regular heavy loads.

 

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