This increase in temperature capability made it possible to pack more horsepower into the same size frame.
T frame motor meaning.
Dimension of a 213 frame motor is 5 21 divided by 4 5.
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.
Critical mounting dimensions for all manufacturers are as defined in nema standard mg 1.
See nema mg1 1998 18 78 for example.
These motors are generally made to manufacturers specifications.
The motor designs were such that the capability would be used at the hottest spot within the motor.
Electrical motor efficiency ratings nema electrical motor efficiency ratings.
K sump pump motors.
Three digit frame numbers are by definition integral frames.
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.
J round flange with threaded shaft this is the standard for round flange motors for modern pumps.
Sizes ran at very low temperatures.
T a t indicates that the motor is of the 1964 and later t frame vintage.
Y square with threaded shaft y frame motors feature a square metal flange for bolting to the pump housing.
Suffixes to nema frames and what they mean.
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.
Certain nema 56z frame motors have 1 2 x 1 1 2 long shaft with 3 64 flat.
U a u indicates that the motor is of the 1952 1964 u frame vintage.
Motors designated 56h have two sets of 2f mounting holes 3 and 5.
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.
This t frame motor has a standard nema defined c.
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.
No details may be assumed regarding this designation.
284 frame is 28 4 7 d 7 lp or lph.
Y a y indicates that the motor has a special mounting configuration.
Discontinued nema frame.
Electrical motors full load amps full load currents for 460 volts 230 volts and 115 volts motors single and 3 phase.
This motor is a modern standard t frame motor.
Electrical motor shaft power electrical motors are rated in horsepower or watt.
The u frame motors were designed for use with class a insulation which has a rating of 105 c.
Standard short shaft for direct drive applications.
