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

U.S. MOTORS Motor: Rigid Base Mount, Totally Enclosed Fan Cooled, 1 1/2 hp, 460V AC

SKU 3G-OTH-81524

Also listed as: HW 21 · HW-21

Brand

U.S. MOTORS

Item

Motor: Rigid Base Mount, Totally Enclosed Fan Cooled, 1 1/2 hp, 460V AC

Local availability & support — Singapore

Local office: 20 Woodlands Link #09-05, Singapore 738733
Phone: +65 8878 8355
Delivery: Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment: Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to: Singapore

Technical Specifications

U.S. MOTORS

Manufacturer Part Number

HW21 

Type

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

460V 

MOTORS Motor

Rigid Base Mount 

Motor Enclosure

TEFC 

Nameplate RPM @ 60 Hz

1,800 RPM 

Full Load Current @ 60 Hz

2.1 A 

Nameplate Voltage @ 60 Hz

460V AC 

Technical Documents

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U.S. MOTORS Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

The U.S. MOTORS Rigid Base 3-Phase General Purpose AC Motor (SKU HW21, MPN HW21) is a TEFC (Totally Enclosed Fan Cooled) motor rated at 1 1/2 hp, 460V AC, 1,800 RPM, and 2.1 A full load current at 60 Hz. This industrial motor features a rigid base mount for stable installation in various equipment applications.

Frequently Asked Questions

What is the U.S. MOTORS HW21 motor used for?

The U.S. MOTORS HW21 is a 1 1/2 hp, 460V AC, 1,800 RPM TEFC rigid base mount motor used in industrial equipment such as pumps, fans, conveyors, and compressors. Its TEFC enclosure protects against dust and moisture, making it suitable for harsh environments.

What are the specifications of the U.S. MOTORS HW21 motor?

The U.S. MOTORS HW21 is a TEFC rigid base mount motor rated at 1 1/2 hp, 460V AC, 1,800 RPM, and 2.1 A full load current at 60 Hz. It is a 3-phase general purpose AC motor with a rigid base for stable mounting.

Where to buy the U.S. MOTORS HW21 motor worldwide?

You can source the U.S. MOTORS HW21 motor through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to install a U.S. MOTORS rigid base motor?

Mount the motor on a flat, rigid surface using the base bolt holes. Align the shaft with the driven equipment, ensuring proper coupling. Wire the motor per the nameplate voltage (460V AC) and follow local electrical codes. Ensure adequate ventilation for the TEFC enclosure.

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.

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