Ac Induction Motor Frame Sizes

Base of 56hz frame motors has holes and slots to match nema 56 56h 143t and 145t mounting dimensions.

Ac induction motor frame sizes. Similarly a 56 frame motor would have a shaft height of 3 1 2 inches. The first are the most commonly chosen induction motors for demanding industrial uses and cover frame sizes 63 450 or 0 12 1 000 kw. Frame size 2 pole 4 pole 6 pole 100 5200 3600 2400 112 5200 3600 2400 132 4500 2700 2400 160 4500 2700 2400. Figure 1 typical induction motor nameplate information.

Ac induction motor 5 anema electric motor 5 electric motor rotor 5 variable frequency drive 5. Furthermore these motors exist in three energy efficiency classes. Ac motors three phase page 1 of 9. The motors in frame size 63 to 80 180 250 to 355 are provided with terminal box on top.

1 in inch 25 4 mm 1 inch 25 4 mm sorry to see that you are blocking ads on the engineering toolbox. For the squirrel cage 3 phase induction motors of 1000v or lower. Dimension v is shaft length available for coupling pinion or pulley hub this is a minimum value. The following specifications documents and dimension charts are available as acrobat pdf files.

Now you do have to be careful in regard to medium voltage or high voltage motor frame sizes as these are not regulated like the nema frames. 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. You can figure that a 48 frame motor will have a shaft height of 48 divided by 16 or 3 inches. The largest of the current fractional horsepower frame sizes is a 56 frame which is available in horsepowers greater than those normally associated with fractionals.

Terminal box on left hand side can also be provided in frame size 90s to 160lon request. Manufacturer s type and frame designation nema defines standard frame sizes. 71m4a teca b14 0 2543tecab14 order code. Dimensions of electrical motor frames according nema 1984 are indicated below.

Ie2 ie3 and ie4. Side t box can be provided on request in frame sizes 180 and above. This name plate shows a frame size 326t. For this type of frame you will have to get clarification on dimensions from the motor oem.

These exceptions are noted in the general catalog. The terminal box for frame size 90s to 160l is fitted on the right hand side seen from the driving end. Certain nema 56z frame motors have 1 2 x 1 1 2 long shaft with 3 64 flat. 71 page 1 of 9.