Electric Motor Frame Size Vs Hp

In this case each frame size designates a particular shaft height shaft diameter and face or base mounting hole pattern.

Electric motor frame size vs hp.

Similarly a 56 frame motor would have a shaft height of 3 1 2 inches. From the 56 frame on up motors are available in horsepowers greater than those normally associated with fractionals. Motors a brand of nidec motor corporation includes a complete line of general and special purpose industrial motors and gears from 1 4 horsepower through 4000 horsepower for a wide variety of applications. See illustrations and table below for speci cs.

Electric motor efficiency calculate electric motor efficiency. Standard nema frames vs horsepower hp 900 rpm 1200 rpm 1800 rpm 3600 rpm t frames 1964 present u frame 1952 present original nema 1 1 5 2 3 5 7 5 10 15 20 25 30 40 50 60 75 100 125 150 200 250 182t 184t 213t 215t 254t 256t 284t 286t 324t. Electrical electrical units amps and electrical wiring wire gauge and awg electrical formulas and motors. For this reason calling motors with two digit frame sizes fractionals is somewhat misleading.

Similarly a 56 frame motor would have a shaft height of 3 1 2 inches. You can figure that a 48 frame motor will have a shaft height of 48 divided by 16 or 3 inches. Many have been in the situation where you needed a specific frame only to realize it was made with a special shaft or has a. The frame sizes that are normally associated with industrial fractional horsepower motors are 42 48 and 56.

56c 56hc 56j 143tc and 145tc. 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. 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. Similarly a 56 frame motor has a shaft height of 3 5 in.

Electrical induction motors synchronous speed the speed at which an induction motor operates depends on the input power. 56j face 5has 3a threaded shaft of stainless steel while all others have a keyed steel shaft. Electric motor calculator calculate amps hp and kva. Nema motor dimensions reference chart.

Motor dimensional chart nema c and j face mounting dimensions mounting dimensions of 1the 156j face are exactly the same as the nema 456c. Power hp speed rpm. You can figure that a 48 frame motor will have a shaft height of 48 divided by 16 or 3 inches. What electric motor frame sizes tell you.

Frame sizes having two digit designations as opposed to the three digit designations that are found in tables 1 and 2.