Certain nema 56z frame motors have 1 2 x 1 1 2 long shaft with 3 64 flat.
T frame motor meaning.
Electrical motor shaft power electrical motors are rated in horsepower or watt.
Sizes ran at very low temperatures.
Suffixes to nema frames and what they mean.
The u frame motors were designed for use with class a insulation which has a rating of 105 c.
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.
This t frame motor has a standard nema defined c.
U a u indicates that the motor is of the 1952 1964 u frame vintage.
Y square with threaded shaft y frame motors feature a square metal flange for bolting to the pump housing.
Base of 56hz frame motors has holes and slots to match nema 56 56h 143t and 145t mounting dimensions.
This motor is a modern standard t frame motor.
This increase in temperature capability made it possible to pack more horsepower into the same size frame.
Standard short shaft for direct drive applications.
K sump pump motors.
Electrical motor efficiency ratings nema electrical motor efficiency ratings.
T a t indicates that the motor is of the 1964 and later t frame vintage.
The third numeral indicates the distance between the mounting holes parallel to the base.
C round flange with keyed shaft these motors have a notch that runs the length of the exposed motor shaft.
J round flange with threaded shaft this is the standard for round flange motors for modern pumps.
284 frame is 28 4 7 d 7 lp or lph.
Critical mounting dimensions for all manufacturers are as defined in nema standard mg 1.
Three digit frame numbers are by definition integral frames.
Y a y indicates that the motor has a special mounting configuration.
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.
No details may be assumed regarding this designation.
Dimension of a 213 frame motor is 5 21 divided by 4 5.
By nema definition two digit frame numbers are fractional frames even though 1 hp or larger motors may be built in them.
The motor designs were such that the capability would be used at the hottest spot within the motor.
See nema mg1 1998 18 78 for example.
To accommo date the larger mechanical horsepower capability shaft and.
The j frame features a threaded shaft for impeller installation.
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.
These motors are generally made to manufacturers specifications.
Discontinued nema frame.
