U.S. MOTORSC-Face with Rigid Base 3-Phase General Purpose AC Motors

U.S. MOTORS Motor: Flange Mount, Totally Enclosed Fan Cooled, 40 hp, 230/460V AC

The U.S. MOTORS GC21 is a C-Face with Rigid Base 3-Phase General Purpose AC Motor, featuring a TEFC enclosure. It delivers 40 hp at 1,800 RPM with a nameplate voltage of 230/460V AC and a full load current of…

SKU 3G-OTH-56247

Also listed as: GC 21 · GC-21

Brand

U.S. MOTORS

Item

Motor: Flange Mount, Totally Enclosed Fan Cooled, 40 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

GC21 

Type

Totally Enclosed Fan Cooled, 40 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

92.0/46.0 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 GC21 motor used for?

The U.S. MOTORS GC21 is a 40 hp, 1,800 RPM general-purpose AC motor used in industrial applications such as pumps, fans, compressors, and conveyors. Its TEFC enclosure protects against dust and moisture, making it suitable for harsh environments. The C-face with rigid base design allows direct mounting to driven equipment.

What are the specifications of the U.S. MOTORS GC21 motor?

The U.S. MOTORS GC21 is a 40 hp, 1,800 RPM, 230/460V AC, 3-phase motor with a TEFC enclosure. Full load current is 92.0 A at 230V and 46.0 A at 460V. It features a C-face with rigid base mounting and operates at 60 Hz. The manufacturer part number is GC21.

Where to buy the U.S. MOTORS GC21 motor worldwide?

You can source the U.S. MOTORS GC21 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. We supply genuine U.S. MOTORS products to industrial buyers globally.

How to select the right U.S. MOTORS GC21 motor for an application?

To select the U.S. MOTORS GC21, verify your application requires 40 hp at 1,800 RPM with 230/460V AC, 3-phase power. Ensure the TEFC enclosure suits your environment. Confirm the C-face with rigid base mounting matches your equipment. Check full load current (92.0/46.0 A) for proper wiring and protection sizing.

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 c-face with 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 →