Electric Motor Base Dimensions

Nema shaft u k ey r dim n s 3 8 1 2 5 8 7 8 1 1 8 1 3 8 1 5 8 1 7 8 2 1 8 2 3 8 2 1 2 2 7 8 3 3 8 3 7 8 21 64 29 64 33.

Electric motor base dimensions.

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. 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. Bases for variable speed applications allow movement while operating to compensate for vibration and varying loads.

The following specifications documents and dimension charts are available as acrobat pdf files. Dimensions drip proof totally enclosed fan cooled and explosion proof. Electric motor calculator calculate amps hp and kva. For 56h combination foot refer to diagram 1.

We would like to show you a description here but the site won t allow us. 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. For c flange motors refer to.

Motor bases are fabricated of steel which offers a base of rugged design compact and smooth in appearance. Foot mounting dimensions listed are identical for either rigid or resilient base mounting. All dimensions are approxi mate not to be used for construction purposes. Drawing shows rigid base.

Electric motor efficiency calculate electric motor efficiency. 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. 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. Electrical induction motors synchronous speed the speed at which an induction motor operates depends on the input power.