What is the frame size of an electric motor?
The frame sizes normally associated with fractional horsepower motors are 42, 48, and 56. In this case, each frame size designates a particular shaft height, shaft diameter, and face or base mounting hole pattern.
What does 56C frame mean?
Machine builder Richard J. Kinch says the “C” in “56C” stands for a flange or faceplate mounting system. The four mounting points are on the face of the motor, where the shaft comes out. This mounting arraignment is very useful.
What is the difference between a 48 and a 48Y frame motor?
The only difference between the 56Y and 48Y frame is the circumference of the motor. They will both mount to the seal plate of the pump.
What is NEMA frame size?
NEMA Frame/Shaft Sizes NEMA (National Electrical Manufacturers Association) frame size refers to mounting only and has no direct bearing on the motor body diameter. In any standard frame number designation there are either two or three numbers. Typical examples of frame numbers 48, 56, 145, and 215.
What size is a 48 frame motor?
NEMA T FRAME DIMENSIONS
| Nema Series | D | AJ |
|---|---|---|
| 48 | 3 | 3 3/4 |
| 56 56H | 3 1/2 | 5 7/8 |
| 143T 145T | 3 1/2 | 5 7/8 |
| 182T 184T |
What does NEMA 23 stand for?
Step motors are categorized by frame size, such as “size 11” or “size 23”. Generally speaking, “size 11” mean the mounting face of the motor is 1.1 inches square. So a Size 23 step motor is, wait for it, 2.3 inches square. Or 56.4 mm as shown below.
What is pump frame size?
Hot tub pumps typically come in two different frame sizes: 48 frame and 56 frame. When replacing a hot tub pump, it is important to replace it with the same size pump so that the holes and plumbing will line up.