Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

U.S. MOTORS Motor: Rigid Base Mount, Totally Enclosed Fan Cooled, 20 hp, 575V AC - Rigid Base 3-Phase General Purpose AC Motors
U.S. MOTORSRigid Base 3-Phase General Purpose AC Motors

U.S. MOTORS Motor: Rigid Base Mount, Totally Enclosed Fan Cooled, 20 hp, 575V AC

The U.S. MOTORS Rigid Base 3-Phase General Purpose AC Motor (SKU 3G-OTH-75854, MPN GB28) is a 20 hp, 575V AC, 1,800 RPM unit with a Totally Enclosed Fan Cooled (TEFC) enclosure. It draws a full load current of 18.9 A…

SKU 3G-OTH-75854

Also listed as: GB 28 · GB-28

Brand
U.S. MOTORS
Item
Motor: Rigid Base Mount, Totally Enclosed Fan Cooled, 20 hp, 575V AC
Category
Rigid Base 3-Phase General Purpose AC Motors
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
GB28
Type
Totally Enclosed Fan Cooled, 20 hp, 1,800 RPM
AC
575V
MOTORS Motor
Rigid Base Mount
Motor Enclosure
TEFC
Nameplate RPM @ 60 Hz
1,800 RPM
Full Load Current @ 60 Hz
18.9 A
Nameplate Voltage @ 60 Hz
575V AC

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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 3G-OTH-75854, MPN GB28) is a 20 hp, 575V AC, 1,800 RPM unit with a Totally Enclosed Fan Cooled (TEFC) enclosure. It draws a full load current of 18.9 A at 60 Hz. This motor features a rigid base mount for stable installation in industrial equipment applications.

Frequently Asked Questions

What is a U.S. MOTORS rigid base mount TEFC motor used for?

This 20 hp, 575V AC, 1,800 RPM motor with a Totally Enclosed Fan Cooled enclosure is designed for industrial equipment requiring a stable rigid base mount. It powers pumps, conveyors, fans, and compressors in manufacturing, HVAC, and material handling systems.

What are the specifications of the U.S. MOTORS GB28 motor?

The U.S. MOTORS GB28 is a 20 hp, 575V AC, 1,800 RPM three-phase motor with a TEFC enclosure. It draws 18.9 A full load current at 60 Hz and features a rigid base mount for secure installation in general-purpose industrial applications.

Where to buy a U.S. MOTORS GB28 motor worldwide?

3G Electric supplies the U.S. MOTORS GB28 motor to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this 20 hp, 575V AC TEFC motor.

How to select a rigid base mount motor for industrial use?

Match the motor's horsepower, voltage, and RPM to your driven equipment's requirements. For the U.S. MOTORS GB28, ensure your supply is 575V AC at 60 Hz and that the TEFC enclosure suits your environment. Verify the rigid base mount aligns with your mounting holes and shaft dimensions.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
U.S. MOTORS Motor: Rigid Base Mount, Totally Enclosed Fan Cooled, 20 hp, 460V AC, 1,800 RPM (MPN GB38)
U.S. MOTORS
U.S. MOTORS Motor: Rigid Base Mount, Totally Enclosed Fan Cooled, 20 hp, 460V AC, 1,800 RPM (MPN GB38)
U.S. MOTORS Motor: Rigid Base Mount, Totally Enclosed Fan Cooled, 15 hp, 575V AC, 1,800 RPM (MPN GB94)
U.S. MOTORS
U.S. MOTORS Motor: Rigid Base Mount, Totally Enclosed Fan Cooled, 15 hp, 575V AC, 1,800 RPM (MPN GB94)
U.S. MOTORS Motor: Rigid Base Mount, Totally Enclosed Fan Cooled, 200 hp, 575V AC, 1,800 RPM (MPN GK18)
U.S. MOTORS
U.S. MOTORS Motor: Rigid Base Mount, Totally Enclosed Fan Cooled, 200 hp, 575V AC, 1,800 RPM (MPN GK18)
U.S. MOTORS Motor: Flange Mount, Totally Enclosed Fan Cooled, 25 hp, 575V AC, 1,800 RPM (MPN GA32)
U.S. MOTORS
U.S. MOTORS Motor: Flange Mount, Totally Enclosed Fan Cooled, 25 hp, 575V AC, 1,800 RPM (MPN GA32)
U.S. MOTORS Motor: Flange Mount, Totally Enclosed Fan Cooled, 7 1/2 hp, 575V AC, 1,800 RPM (MPN GE28)
U.S. MOTORS
U.S. MOTORS Motor: Flange Mount, Totally Enclosed Fan Cooled, 7 1/2 hp, 575V AC, 1,800 RPM (MPN GE28)
U.S. MOTORS Motor: Rigid Base Mount, Totally Enclosed Fan Cooled, 5 hp, 460V AC, 1,800 RPM (MPN GF53)
U.S. MOTORS
U.S. MOTORS Motor: Rigid Base Mount, Totally Enclosed Fan Cooled, 5 hp, 460V AC, 1,800 RPM (MPN GF53)

More from U.S. MOTORS

View all U.S. MOTORS parts
U.S. MOTORS General Purpose Motor: Flange Mount, Totally Enclosed Fan Cooled, 2 hp, 575V AC (MPN 8D2P1G)
U.S. MOTORS
U.S. MOTORS General Purpose Motor: Flange Mount, Totally Enclosed Fan Cooled, 2 hp, 575V AC (MPN 8D2P1G)
U.S. MOTORS Metric Motor: Rigid Base Mount, Open Drip Proof, 10 hp, 230/460V AC, 1,765 RPM (MPN D10V2B)
U.S. MOTORS
U.S. MOTORS Metric Motor: Rigid Base Mount, Open Drip Proof, 10 hp, 230/460V AC, 1,765 RPM (MPN D10V2B)
U.S. MOTORS General Purpose Motor: Rigid Base Mount, Open Drip Proof, 25 hp, 200V AC, 3,530 RPM (MPN D25P1H)
U.S. MOTORS
U.S. MOTORS General Purpose Motor: Rigid Base Mount, Open Drip Proof, 25 hp, 200V AC, 3,530 RPM (MPN D25P1H)
U.S. MOTORS General Purpose Motor: Rigid Base Mount, Totally Enclosed Fan Cooled, 3 hp, 575V AC (MPN U3P1GHZ)
U.S. MOTORS
U.S. MOTORS General Purpose Motor: Rigid Base Mount, Totally Enclosed Fan Cooled, 3 hp, 575V AC (MPN U3P1GHZ)
U.S. MOTORS Motor: Flange Mount, Totally Enclosed Fan Cooled, 10 hp, 230/460V AC, 1,200 RPM (MPN JF48)
U.S. MOTORS
U.S. MOTORS Motor: Flange Mount, Totally Enclosed Fan Cooled, 10 hp, 230/460V AC, 1,200 RPM (MPN JF48)
U.S. MOTORS General Purpose Motor: Rigid Base Mount, Open Drip Proof, 5 hp, 575V AC, 1,760 RPM (MPN D5P2G)
U.S. MOTORS
U.S. MOTORS General Purpose Motor: Rigid Base Mount, Open Drip Proof, 5 hp, 575V AC, 1,760 RPM (MPN D5P2G)
U.S. MOTORS Motor: Rigid Base Mount, Totally Enclosed Fan Cooled, 1 1/2 hp, 575V AC, 3,600 RPM (MPN GG40)
U.S. MOTORS
U.S. MOTORS Motor: Rigid Base Mount, Totally Enclosed Fan Cooled, 1 1/2 hp, 575V AC, 3,600 RPM (MPN GG40)
U.S. MOTORS General Purpose Motor: Rigid Base Mount, Totally Enclosed Fan Cooled, 5 hp, 3,515 RPM (MPN S5P1A)
U.S. MOTORS
U.S. MOTORS General Purpose Motor: Rigid Base Mount, Totally Enclosed Fan Cooled, 5 hp, 3,515 RPM (MPN S5P1A)