What is the difference between a 56 and 56H frame?

H — Used on some 56 frame motors, “H” indicates that the base is suitable for mounting in either 56, 143T, or 145T mounting dimensions. J — This designation is used with 56 frame motors and indicates that the motor is made for “jet pump” service with a threaded stainless steel shaft and standard 56C face.

How do I find out my motor frame size?

Just divide the first two digits by four. Thus, a 405 frame (original, U frame, or T frame) has a shaft height of 40 divided by 4, or 10 in. Although no direct inch measurement relates to it, the third digit of three-digit frame sizes is an indication of the motor body’s length.

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 does NEMA 23 stand for?

NEMA 23 is a stepper motor with a 2.3×2.3 inch (58.4×58.5 mm) faceplate and 1.8° step angle (200 steps/revolution). Each phase draws 2.8 A at 3.2 V, allowing for a holding torque of 19 kg-cm. NEMA 23 Stepper motor is generally used in Printers, CNC machine, Linear actuators and hard drives.

What is the difference between Nema 23 and NEMA 34?

The decision between NEMA 23 and NEMA 34 motors is primarily a decision about productivity — NEMA 34 motors can remove material at a higher rate using higher feed rates and deeper cut depths.

How do you measure a spa pump frame?

The easiest way to determine if your hot tub pump / motor is a 48 frame or a 56 frame, is to measure the distance between the through bolts. Measure across or down, but not diagonal. The through bolts run from the back of the motor, go through the full length of the motor, and connect to the plastic pump wet end.

What is the difference between Nema 23 and NEMA 24?

Nema 23 means a 2.3″ frame. Nema 24 means a 2.4″ frame. That’s all. Either could have more or less torque depending on speed and power.

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