Electric Motor Base Dimensions

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Electric motor base dimensions.

For 56h combination foot refer to diagram 1. Foot mounting dimensions listed are identical for either rigid or resilient base mounting. The following specifications documents and dimension charts are available as acrobat pdf files. Bases for variable speed applications allow movement while operating to compensate for vibration and varying loads.

See motor mount selection chart type 2 b standard base. Standardized motor dimensions are established by the national electrical manufacturers association nema are tabulated below and apply to all base mounted motors listed herein that carry a nema frame designation. Increase energy efficiency in belt driven systems while reducing wear on components use one of these bases to adjust your motor position to get the proper belt tension. Electrical electrical units amps and electrical wiring wire gauge and awg electrical formulas and motors.

Nema motor dimensions reference chart a ft e r l e t t e r i n d i c a t e s t h e n u m b e r i s a n app r o x i m a te v a l ue. The following are dimensional size charts for standard electric motor nema standard frames and configuration. Drawing shows rigid base. Bases are design to provide adequate travel are fully adjustable by the use of a single adjusting screw and have elongated mounting holes in the base plate.

Electric motor calculator calculate amps hp and kva. For c flange motors refer to. Electric motor efficiency calculate electric motor efficiency. Heavy duty motor base style c2hd nema frame sizes 254 449 double adjusting heavy duty bases or standard rails are recommended for motors between 150 hp 1800 rpm and 250 hp 1800 rpm on non severe applications.

Bases for constant speed applications keep your motor in a fixed position while operating. Electrical induction motors synchronous speed the speed at which an induction motor operates depends on the input power. All dimensions are approxi mate not to be used for construction purposes. T h e s e d i m en s i o n s a r e s p e c i f i c t o e a c h m anu f a c t u r e r.