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U.S. MOTORS RESCUE® Select Pro™ 6643 Direct Drive Blower Motor - RESCUE® Series EC Motors
U.S. MOTORSRESCUE® Series EC Motors

U.S. MOTORS RESCUE® Select Pro™ 6643 Direct Drive Blower Motor

The U.S. MOTORS RESCUE® Series EC Motor (SKU 3G-OTH-55183) is a 48Y frame, constant-torque ECM blower motor rated at 3/4 hp, 1,075 RPM, and 115/208-230V AC with full-load amps of 9.3/5.8-5.4 A. It features integrated…

SKU 3G-OTH-55183

Brand
U.S. MOTORS
Item
RESCUE® Select Pro™ 6643 Direct Drive Blower Motor
Part Number
6643
Category
RESCUE® Series EC Motors
Available to Order
Also known as:6643U.S. MOTORS
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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
6643
Type
Belly Band, ECM, 3/4 hp
Features
Integrated Bluetooth® Technology
Includes
Power Supply Wiring Harness
Frame Size
48Y
ECM Motor Type
Constant Torque
Motor Enclosure
OAO
Rated Horsepower
3/4 hp
Horsepower/Wattage
3/4 hp600 W
Nameplate RPM @ 60 Hz
1,075 RPM
Full Load Amps @ 60 Hz
9.3/5.8-5.4 A
Includes User Interface
No
Nameplate Voltage @ 60 Hz
115/208-230V AC
External Controller Compatible
No
MOTORS Direct Drive Blower Motor
RESCUE® Select Pro™
Compatible with External Controller
Not External Control Compatible

Technical Documents

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U.S. MOTORS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The U.S. MOTORS RESCUE® Series EC Motor (SKU 3G-OTH-55183) is a 48Y frame, constant-torque ECM blower motor rated at 3/4 hp, 1,075 RPM, and 115/208-230V AC with full-load amps of 9.3/5.8-5.4 A. It features integrated Bluetooth® Technology and includes a power supply wiring harness. This OAO-enclosed motor is not compatible with an external controller and does not include a user interface.

Frequently Asked Questions

What is the U.S. MOTORS RESCUE Select Pro blower motor used for?

The U.S. MOTORS RESCUE Select Pro 6643 is a 3/4 hp constant-torque ECM blower motor used in HVAC systems for residential and light commercial air handlers and furnaces. Its integrated Bluetooth Technology enables wireless setup and diagnostics via a mobile app, simplifying commissioning and troubleshooting.

What are the specifications of the U.S. MOTORS 6643 motor?

The U.S. MOTORS 6643 is a 48Y frame, OAO-enclosed ECM motor rated at 3/4 hp, 1,075 RPM, and 115/208-230V AC. Full-load amps are 9.3/5.8-5.4 A at 60 Hz. It includes a power supply wiring harness, is not compatible with an external controller, and does not include a user interface.

Where to buy the U.S. MOTORS RESCUE Select Pro motor worldwide?

3G Electric supplies the U.S. MOTORS RESCUE Select Pro 6643 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 constant-torque ECM blower motor.

How to install the U.S. MOTORS 6643 ECM blower motor?

Installation of the U.S. MOTORS 6643 requires matching the 48Y frame size and belly-band mounting to the existing blower housing. Connect the included power supply wiring harness per the voltage rating (115 or 208-230V AC). Use the Bluetooth-enabled app for setup; do not connect an external controller as the motor is not compatible.

Used in

Common applications for U.S. MOTORS
Water treatment — U.S. MOTORS rigid base TEFC motors (e.g., S5P1G, 5 hp, 575V) driving centrifugal pumps in filtration and transfer systems.
HVAC — U.S. MOTORS C-face motors (e.g., GE60, 5 hp, 230/460V) directly coupled to fans and blowers in air handling units.
Food processing — U.S. MOTORS TEFC motors (e.g., U3P2DCR, 3 hp, 208-230/460V) powering conveyors and mixers in washdown environments.
General manufacturing — U.S. MOTORS ODP motors (e.g., D40P1GS, 40 hp, 575V) driving compressors and process machinery in clean, dry plant areas.
Oil and gas — U.S. MOTORS rigid base TEFC motors (e.g., HD75P2ES, 75 hp, 200V) operating pumps and compressors in demanding industrial settings.
Material handling — U.S. MOTORS C-face with rigid base motors (e.g., U32P2DC, 1.5 hp, 208-230/460V) for conveyor drives and packaging equipment.
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U.S. MOTORS Products

3G Electric supplies U.S. MOTORS rescue® series ec motors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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