T Frame Motor Meaning

Dimension of a 213 frame motor is 5 21 divided by 4 5.

T frame motor meaning.

Motors designated 56h have two sets of 2f mounting holes 3 and 5. The motor designs were such that the capability would be used at the hottest spot within the motor. T frame motor designs are based on utilizing class b insulation with a temperature rating of 130 c. The u frame motors were designed for use with class a insulation which has a rating of 105 c.

The third numeral indicates the distance between the mounting holes parallel to the base. T frame motor designs are based on utilizing class b insulation with a temperature rating of 130 c. By nema definition two digit frame numbers are fractional frames even though 1 hp or larger motors may be built in them. 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.

The j frame features a threaded shaft for impeller installation. This increase in temperature capability made it possible to pack more horsepower into the same size frame. Y square with threaded shaft y frame motors feature a square metal flange for bolting to the pump housing. Suffixes to nema frames and what they mean.

Y a y indicates that the motor has a special mounting configuration. Critical mounting dimensions for all manufacturers are as defined in nema standard mg 1. Discontinued nema frame. Certain nema 56z frame motors have 1 2 x 1 1 2 long shaft with 3 64 flat.

See nema mg1 1998 18 78 for example. Base of 56hz frame motors has holes and slots to match nema 56 56h 143t and 145t mounting dimensions. K sump pump motors. Three digit frame numbers are by definition integral frames.

J round flange with threaded shaft this is the standard for round flange motors for modern pumps. Electrical motor efficiency ratings nema electrical motor efficiency ratings. This motor is a modern standard t frame motor. This t frame motor has a standard nema defined c.

Electrical motor shaft power electrical motors are rated in horsepower or watt. Electrical motors full load amps full load currents for 460 volts 230 volts and 115 volts motors single and 3 phase. Standard short shaft for direct drive applications. U a u indicates that the motor is of the 1952 1964 u frame vintage.

Sizes ran at very low temperatures. These motors are generally made to manufacturers specifications. To accommo date the larger mechanical horsepower capability shaft and. T a t indicates that the motor is of the 1964 and later t frame vintage.

284 frame is 28 4 7 d 7 lp or lph. C round flange with keyed shaft these motors have a notch that runs the length of the exposed motor shaft.