Electrical motors full load amps full load currents for 460 volts 230 volts and 115 volts motors single and 3 phase.
T frame motor meaning.
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.
Three digit frame numbers are by definition integral frames.
This motor is a modern standard t frame motor.
See nema mg1 1998 18 78 for example.
Critical mounting dimensions for all manufacturers are as defined in nema standard mg 1.
Dimension of a 213 frame motor is 5 21 divided by 4 5.
Sizes ran at very low temperatures.
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.
Base of 56hz frame motors has holes and slots to match nema 56 56h 143t and 145t mounting dimensions.
These motors are generally made to manufacturers specifications.
Motors designated 56h have two sets of 2f mounting holes 3 and 5.
Suffixes to nema frames and what they mean.
J round flange with threaded shaft this is the standard for round flange motors for modern pumps.
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.
U a u indicates that the motor is of the 1952 1964 u frame vintage.
The j frame features a threaded shaft for impeller installation.
284 frame is 28 4 7 d 7 lp or lph.
The motor designs were such that the capability would be used at the hottest spot within the motor.
This t frame motor has a standard nema defined c.
The third numeral indicates the distance between the mounting holes parallel to the base.
Discontinued nema frame.
Electrical motor efficiency ratings nema electrical motor efficiency ratings.
To accommo date the larger mechanical horsepower capability shaft and.
Y a y indicates that the motor has a special mounting configuration.
By nema definition two digit frame numbers are fractional frames even though 1 hp or larger motors may be built in them.
K sump pump motors.
Standard short shaft for direct drive applications.
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 shaft power electrical motors are rated in horsepower or watt.
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.
No details may be assumed regarding this designation.
