Nidec-US Motors 6643 Motor

115/208-230v 3/4hp Varia Motor

6643 is the direct replacement for S1-024-35705-011

Nidec-US Motors 6643 ECM Blower Motor – 3/4 HP, 115/208-230V, 1075 RPM, Belly Band Mount

The Nidec-US Motors 6643 ECM Blower Motor is a high-efficiency, programmable electronically commutated motor (ECM) engineered to deliver superior airflow control in HVAC systems. With a 3/4 horsepower rating and voltage flexibility from 115V to 230V, this motor is ideal for use in furnaces and air handlers, offering quiet, reliable, and energy-efficient performance across a wide range of applications.

Key Features:

• Horsepower: 3/4 HP

• Voltage Range: 115/208–230 VAC

• Amps: 9.3 A

• Speed: 1075 RPM

• Phase/Frequency: Single-phase, 50/60 Hz

• Shaft Dimensions: 1/2" Diameter x 4" Length

• Mounting: Belly Band Mount

• Frame Size: 48 Frame

• Enclosure Type: Open Air Over (OAO)

• Overall Height: 11.6 inches

• Application: Designed for furnaces and air handlers

Product Benefits:

• Energy Efficient ECM Technology – Optimized for variable airflow applications, reducing energy consumption.

• Versatile Voltage Compatibility – Operates seamlessly on 115V, 208V, or 230V systems.

• Quiet Operation – Open Air Over enclosure provides effective ventilation while maintaining low noise levels.

• Easy Installation – Belly band mount and 48-frame design ensure compatibility with many HVAC units.

• Durable Performance – Built to meet the rigorous demands of residential and light commercial environments.

Applications:

• HVAC furnace blower assemblies

• Air handler units

• Replacement motor for OEM and retrofit HVAC systems

The US Motors 6643 is a trusted choice for HVAC professionals seeking dependable, programmable motor solutions that optimize indoor air comfort and reduce long-term operating costs.

This item is not eligible for free shipping.