284 frame is 28 4 7 d 7 lp or lph.
T frame motor meaning.
Y square with threaded shaft y frame motors feature a square metal flange for bolting to the pump housing.
No details may be assumed regarding this designation.
Sizes ran at very low temperatures.
This increase in temperature capability made it possible to pack more horsepower into the same size frame.
Three digit frame numbers are by definition integral frames.
Electrical motors full load amps full load currents for 460 volts 230 volts and 115 volts motors single and 3 phase.
Standard short shaft for direct drive applications.
K sump pump motors.
See nema mg1 1998 18 78 for example.
Motors designated 56h have two sets of 2f mounting holes 3 and 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.
The third numeral indicates the distance between the mounting holes parallel to the base.
This motor is a modern standard t frame motor.
The u frame motors were designed for use with class a insulation which has a rating of 105 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.
The motor designs were such that the capability would be used at the hottest spot within the motor.
T frame motor designs are based on utilizing class b insulation with a temperature rating of 130 c.
U a u indicates that the motor is of the 1952 1964 u frame vintage.
Dimension of a 213 frame motor is 5 21 divided by 4 5.
Critical mounting dimensions for all manufacturers are as defined in nema standard mg 1.
J round flange with threaded shaft this is the standard for round flange motors for modern pumps.
By nema definition two digit frame numbers are fractional frames even though 1 hp or larger motors may be built in them.
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.
Discontinued nema frame.
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.
These motors are generally made to manufacturers specifications.
Electrical motor shaft power electrical motors are rated in horsepower or watt.
T a t indicates that the motor is of the 1964 and later t frame vintage.
Suffixes to nema frames and what they mean.
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.
The j frame features a threaded shaft for impeller installation.
