# What is the diameter of a 48 frame motor?

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## What does 48 frame motor mean?

48-Frame motors are basically pool motors, not designed for the rigors of hot tubs with their high-pressure massage jets. … Specifically “Frame” refers to the diameter of the armature in the motor. Although 2 motors may have the same horsepower rating, a 56-Frame motor will be 40% larger.

## 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 the motor frame size?

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. In these motors, specific frame assignments do not relate to horsepower and speed.

## How do you read motor frame size?

The three digits that make up the frame size are directly related to the dimensions of the motor built on that particular frame. The first two digits of the frame size when divided by four will result in the height of the shaft centerline above the bottom of the mounting foot.

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## Can I replace a 48 frame spa pump with a 56 frame?

The 48 and 56 barrel sizes are interchangeable as long as the frame shape matches (see below). To switch from 48 to 56 or vice versa requires a simple adjustment to the motor stand.

## What is frame size in induction motor?

In fractional horsepower motors the frame sizes are two digits and represent the shaft height of the motor from the bottom of the base in sixteenths of an inch. For example, a 56-frame motor would have a shaft height (“D” dimension) of 56/16 of an inch, or 3.5 inches.

## What does FR mean on a motor?

In automotive design, a FR, or front-engine, rear-wheel-drive layout is one where the engine is located at the front of the vehicle and driven wheels are located at the rear via a drive shaft.

## What does TC mean on motor frame?

Three-Phase Cast Iron T-Frame. TC-Frame (C-Face) TEFC Motors – Three-Phase Industrial Duty – 1 to 100 hp.

## 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.

## What size is a 56 frame motor?

NEMA Electric Motor Frame Chart

NEMA FRAME D* H (dia.)
56 3 1/2 11/32 slot
56H 3 1/2 11/32 slot
56HZ 3 1/2 **
66 4 1/8 13/32 slot

## What is au frame motor?

The “U” frame motors were designed for use with Class A insulation, which has a rating of 105° C. The motor designs were such that the capability would be used at the hottest spot within the motor. “T” frame motor designs are based on utilizing Class B insulation with a temperature rating of 130° C.

## Is standard for motor dimensions?

The dimensions of the motors shall be as specified in IS 1231, IS 2223 and IS 2254 as applicable.

## Is 1231 a standard?

IS 1231: Dimensions of Three-phase Foot-mounted Induction Motors : Bureau of Indian Standards : Free Download, Borrow, and Streaming : Internet Archive.

## What does NEMA 34 mean?

NEMA (National Electrical Manufacturers Association) 34 is a stepper motor with a 3.4×3.4 inch faceplate and 1.8° step angle. Each phase draws 4.0 A, allowing for a holding torque of 42 kg-cm. NEMA 34 Stepper motor is generally used in Printers, CNC machine, Linear actuators and hard drives.