T Frame Motor Meaning

284 frame is 28 4 7 d 7 lp or lph.

T frame motor meaning.

Sizes ran at very low temperatures. Dimension of a 213 frame motor is 5 21 divided by 4 5. U a u indicates that the motor is of the 1952 1964 u frame vintage. Electrical motors full load amps full load currents for 460 volts 230 volts and 115 volts motors single and 3 phase.

No details may be assumed regarding this designation. By nema definition two digit frame numbers are fractional frames even though 1 hp or larger motors may be built in them. 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.

D dimension shaft height of a motor or generator in these frame sizes equals the value of the first two digits in the frame number. J round flange with threaded shaft this is the standard for round flange motors for modern pumps. This increase in temperature capability made it possible to pack more horsepower into the same size frame. This motor is a modern standard t frame motor.

Electrical motor shaft power electrical motors are rated in horsepower or watt. Discontinued nema frame. The motor designs were such that the capability would be used at the hottest spot within the motor. The j frame features a threaded shaft for impeller installation.

Electrical motor efficiency ratings nema electrical motor efficiency ratings. The u frame motors were designed for use with class a insulation which has a rating of 105 c. T frame motor designs are based on utilizing class b insulation with a temperature rating of 130 c. Base of 56hz frame motors has holes and slots to match nema 56 56h 143t and 145t mounting dimensions.

Three digit frame numbers are by definition integral frames. Critical mounting dimensions for all manufacturers are as defined in nema standard mg 1. Standard short shaft for direct drive applications. Certain nema 56z frame motors have 1 2 x 1 1 2 long shaft with 3 64 flat.

Suffixes to nema frames and what they mean. C round flange with keyed shaft these motors have a notch that runs the length of the exposed motor shaft. K sump pump motors. Y square with threaded shaft y frame motors feature a square metal flange for bolting to the pump housing.

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. See nema mg1 1998 18 78 for example. To accommo date the larger mechanical horsepower capability shaft and. 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.

Y a y indicates that the motor has a special mounting configuration. Motors designated 56h have two sets of 2f mounting holes 3 and 5.