Rheem-Ruud 51-21909-01 Motor

Motor, Blower, 3/4HP, 208-230/460Vac, Three Phase, 1725 RPM, 1 Speed, 3.4-3.2-1.6 Amps, 56 Nema Frame Size, Totally Enclosed Enclosure, Ball Bearing, Platform Mount, 5/8" x 1 7/8" Shaft, Reversible Rotation

51-21909-01 is the direct replacement for 51-21912-01

Rheem-Ruud 51-21909-01 Blower Motor – 3/4 HP, 208-230/460V, 3-Phase, TEFC, Reversible

Upgrade your HVAC system with the Rheem-Ruud 51-21909-01 Blower Motor, a high-performance, industrial-grade motor engineered for reliability and efficiency. Designed for blower applications, this 3/4 horsepower motor is compatible with 208-230/460V three-phase power and operates at a single-speed 1725 RPM for consistent airflow performance.

Key Features:

• Horsepower: 3/4 HP

• Voltage: 208/230/460 VAC

• Amperage: 3.40A @ 208V, 3.20A @ 230V, 1.60A @ 460V

• Frame Size: NEMA 56

• Speed: 1 speed, 1725 RPM

• Phase: Three-phase

• Mounting: Platform mount for secure installation

• Shaft: 5/8" diameter x 1-7/8" length, keyed/flat (3/16 x 3/16 x 1-5/8)

• Enclosure: Totally Enclosed Fan Cooled (TEFC) for durability in demanding environments

• Bearings: Ball bearing construction for long-lasting performance

• Rotation: Reversible for flexible installation

Dimensions:

• Motor Body Diameter: 5-5/8"

• Motor Body Length: 8-7/8"

• Overall Motor Length: 10-3/4"

• Overall Shaft Length: 1-7/8"

Built for belt-drive systems, this Rheem-Ruud blower motor is a reliable replacement part for commercial and residential HVAC units requiring robust and energy-efficient air handling. With its reversible rotation and totally enclosed design, it offers maximum versatility and protection against dust, moisture, and debris.

Applications:
Ideal for blowers in HVAC systems, commercial air handlers, and compatible Rheem-Ruud units.

Replace worn or inefficient motors with the Rheem-Ruud 51-21909-01 for dependable operation and extended equipment life.

This item is not eligible for free shipping.