T Frame Motor Meaning

T a t indicates that the motor is of the 1964 and later t frame vintage.

T frame motor meaning.

K sump pump motors. 284 frame is 28 4 7 d 7 lp or lph. This motor is a modern standard t frame motor. Standard short shaft for direct drive applications.

Critical mounting dimensions for all manufacturers are as defined in nema standard mg 1. 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 motor designs were such that the capability would be used at the hottest spot within the motor. Certain nema 56z frame motors have 1 2 x 1 1 2 long shaft with 3 64 flat.

Sizes ran at very low temperatures. 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. Y a y indicates that the motor has a special mounting configuration. Electrical motor shaft power electrical motors are rated in horsepower or watt.

Base of 56hz frame motors has holes and slots to match nema 56 56h 143t and 145t mounting dimensions. Motors designated 56h have two sets of 2f mounting holes 3 and 5. To accommo date the larger mechanical horsepower capability shaft and. See nema mg1 1998 18 78 for example.

T frame motor designs are based on utilizing class b insulation with a temperature rating of 130 c. These motors are generally made to manufacturers specifications. Suffixes to nema frames and what they mean. 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. The u frame motors were designed for use with class a insulation which has a rating of 105 c. Electrical motor efficiency ratings nema electrical motor efficiency ratings. Y square with threaded shaft y frame motors feature a square metal flange for bolting to the pump housing.

No details may be assumed regarding this designation. Dimension of a 213 frame motor is 5 21 divided by 4 5. This increase in temperature capability made it possible to pack more horsepower into the same size frame. By nema definition two digit frame numbers are fractional frames even though 1 hp or larger motors may be built in them.

This t frame motor has a standard nema defined 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. T frame motor designs are based on utilizing class b insulation with a temperature rating of 130 c. J round flange with threaded shaft this is the standard for round flange motors for modern pumps.

Three digit frame numbers are by definition integral frames. The third numeral indicates the distance between the mounting holes parallel to the base.