Base of 56hz frame motors has holes and slots to match nema 56 56h 143t and 145t mounting dimensions.
T frame motor meaning.
T frame motor designs are based on utilizing class b insulation with a temperature rating of 130 c.
The u frame motors were designed for use with class a insulation which has a rating of 105 c.
To accommo date the larger mechanical horsepower capability shaft and.
Three digit frame numbers are by definition integral frames.
These motors are generally made to manufacturers specifications.
K sump pump motors.
The j frame features a threaded shaft for impeller installation.
See nema mg1 1998 18 78 for example.
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.
284 frame is 28 4 7 d 7 lp or lph.
Y a y indicates that the motor has a special mounting configuration.
Motors designated 56h have two sets of 2f mounting holes 3 and 5.
Suffixes to nema frames and what they mean.
Electrical motor efficiency ratings nema electrical motor efficiency ratings.
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.
The third numeral indicates the distance between the mounting holes parallel to the base.
Standard short shaft for direct drive applications.
T a t indicates that the motor is of the 1964 and later t frame vintage.
Sizes ran at very low temperatures.
By nema definition two digit frame numbers are fractional frames even though 1 hp or larger motors may be built in them.
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.
No details may be assumed regarding this designation.
Certain nema 56z frame motors have 1 2 x 1 1 2 long shaft with 3 64 flat.
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.
This t frame motor has a standard nema defined c.
Discontinued nema frame.
J round flange with threaded shaft this is the standard for round flange motors for modern pumps.
Electrical motors full load amps full load currents for 460 volts 230 volts and 115 volts motors single and 3 phase.
Y square with threaded shaft y frame motors feature a square metal flange for bolting to the pump housing.
Electrical motor shaft power electrical motors are rated in horsepower or watt.
This increase in temperature capability made it possible to pack more horsepower into the same size frame.
This motor is a modern standard t frame motor.
