Cage 3 phase induction motors lower than 1000v and smaller than 315 frame size can safely run continuously at the speed in the table below.
Dc motor frame size dimensions.
In frame number 145 for example the first two digits divided by the constant 4 is equal to the d dimension 14 divided by 4 3.
Similarly a 56 frame motor would have a shaft height of 3 inches.
Similarly the d dimension of a 213 frame motor is 5 21 divided by 4 5.
Iec variable speed dc motors integral hp standard motor features this catalog is designed to help motor users quickly select and specify the proper baldor reliance industrial direct current motor.
Nema motor the ba dimensions are.
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Certain nema 56z frame motors have 1 2 x 1 1 2 long shaft with 3 64 flat.
The derivation of the two digit frame number is based on the shaft height in sixteenths of an inch.
Base of 56hz frame motors has holes and slots to match nema 56 56h 143t and 145t mounting dimensions.
Similarly a 56 frame motor would have a shaft height of 3 1 2 inches.
Dimension v is shaft length available for coupling pinion or pulley hub this is a minimum value.
These exceptions are noted in the general catalog.
Dimensions of electrical motor frames according nema 1984 are indicated below.
1 in inch 25 4 mm 1 inch 25 4 mm sorry to see that you are blocking ads on the engineering toolbox.
The largest of the cur rent fractional horsepower frame sizes is a 56 frame that is available in horsepower greater than those normally associ ated with fractionals.
You can figure that a 48 frame motor will have a shaft height of 48 divided by 16 or 3 inches.
You can figure that a 48 frame motor will have a shaft height of 48 divided by 16 or 3 inches.
Frame size 2 pole 4 pole 6 pole 100 5200 3600 2400 112 5200 3600 2400 132 4500 2700 2400 160 4500 2700 2400.
A complete listing and.
Frame size information on standard motors is given on the frame size pages.
