T Frame Motor Meaning

Y a y indicates that the motor has a special mounting configuration.

T frame motor meaning.

Certain nema 56z frame motors have 1 2 x 1 1 2 long shaft with 3 64 flat. This increase in temperature capability made it possible to pack more horsepower into the same size frame. 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. 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 a t indicates that the motor is of the 1964 and later t frame vintage. These motors are generally made to manufacturers specifications. The third numeral indicates the distance between the mounting holes parallel to the base. Y square with threaded shaft y frame motors feature a square metal flange for bolting to the pump housing.

This motor is a modern standard t frame motor. T frame motor designs are based on utilizing class b insulation with a temperature rating of 130 c. C round flange with keyed shaft these motors have a notch that runs the length of the exposed motor shaft. Electrical motor efficiency ratings nema electrical motor efficiency ratings.

Critical mounting dimensions for all manufacturers are as defined in nema standard mg 1. The motor designs were such that the capability would be used at the hottest spot within the motor. No details may be assumed regarding this designation. 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.

Electrical motors full load amps full load currents for 460 volts 230 volts and 115 volts motors single and 3 phase. J round flange with threaded shaft this is the standard for round flange motors for modern pumps. To accommo date the larger mechanical horsepower capability shaft and. T frame motor designs are based on utilizing class b insulation with a temperature rating of 130 c.

Motors designated 56h have two sets of 2f mounting holes 3 and 5. U a u indicates that the motor is of the 1952 1964 u frame vintage. K sump pump motors. Electrical motor shaft power electrical motors are rated in horsepower or watt.

Sizes ran at very low temperatures. Discontinued nema frame. Base of 56hz frame motors has holes and slots to match nema 56 56h 143t and 145t mounting dimensions. Standard short shaft for direct drive applications.

The u frame motors were designed for use with class a insulation which has a rating of 105 c. See nema mg1 1998 18 78 for example. The j frame features a threaded shaft for impeller installation. 284 frame is 28 4 7 d 7 lp or lph.

This t frame motor has a standard nema defined c. Three digit frame numbers are by definition integral frames.