U.S. MOTORSRigid Base 3-Phase General Purpose AC Motors

U.S. MOTORS Motor: Flange Mount, Totally Enclosed Fan Cooled, 7 1/2 hp, 230/460V AC

The U.S. MOTORS Rigid Base 3-Phase General Purpose AC Motor (SKU 3G-OTH-69829, MPN JF31) is a TEFC (Totally Enclosed Fan Cooled) motor rated at 7 1/2 hp, 1,800 RPM, and 230/460V AC with a full load current of…

SKU 3G-OTH-69829

Also listed as: JF 31 · JF-31

Brand

U.S. MOTORS

Item

Motor: Flange Mount, Totally Enclosed Fan Cooled, 7 1/2 hp, 230/460V AC

Local availability & support

Delivery: Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment: Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

U.S. MOTORS

Manufacturer Part Number

JF31 

Type

Totally Enclosed Fan Cooled, 7 1/2 hp, 1,800 RPM 

230/460V 

MOTORS Motor

Flange Mount 

Motor Enclosure

TEFC 

Nameplate RPM @ 60 Hz

1,800 RPM 

Full Load Current @ 60 Hz

19.1/9.6 A 

Nameplate Voltage @ 60 Hz

230/460V AC 

Technical Documents

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U.S. MOTORS Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is the U.S. MOTORS JF31 motor used for?

The U.S. MOTORS JF31 is a 7 1/2 hp, 1,800 RPM TEFC general-purpose AC motor used in industrial applications like pumps, fans, conveyors, and compressors. Its rigid base and flange mount allow secure installation in manufacturing, HVAC, and material handling systems.

What are the specifications of the U.S. MOTORS JF31 motor?

The U.S. MOTORS JF31 is a TEFC motor rated at 7 1/2 hp, 1,800 RPM, 230/460V AC, with a full load current of 19.1/9.6 A at 60 Hz. It features a flange mount and rigid base, making it suitable for 3-phase general-purpose applications.

Where to buy the U.S. MOTORS JF31 motor worldwide?

3G Electric supplies the U.S. MOTORS JF31 motor to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this TEFC motor.

How to select the right U.S. MOTORS motor for an application?

To select the right U.S. MOTORS motor, match horsepower, RPM, voltage, and enclosure to your load. For the JF31, confirm 7 1/2 hp, 1,800 RPM, 230/460V AC, and TEFC enclosure suit your environment. Consult a motor selection guide or contact 3G Electric for application support.

Used in

Common applications for U.S. MOTORS

Pumping systems — U.S. MOTORS A40P1CS (40 hp, 460 V, 3,570 RPM) for centrifugal water pumps in industrial facilities.

HVAC fans — U.S. MOTORS A7P4C (7.5 hp, 460 V, 885 RPM) for large air-handling unit fan drives.

Conveyor drives — U.S. MOTORS A25P1CS (25 hp, 460 V, 3,565 RPM) for material-handling belt conveyors.

Compressor applications — U.S. MOTORS A30P3C (30 hp, 460 V, 1,190 RPM) for rotary screw air compressors.

Machine tool spindles — U.S. MOTORS HD3P1H (3 hp, 200 V, 3,535 RPM) for high-speed milling machine spindles.

Elevator traction — U.S. MOTORS elevator motors (specialized line) for hydraulic or traction elevator systems.

U.S. MOTORS Products

3G Electric supplies U.S. MOTORS rigid base 3-phase general purpose ac motors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

Browse all U.S. MOTORS products →Contact our engineers →