Rheem-Ruud 51-41936-02 Motor

When you're out in the field replacing a Rheem-Ruud 51-41936-02 Blower Motor, you need a drop-in OEM replacement motor that handles high-static belt-drive applications without skipping a beat. This 1 1/2 HP powerhouse is built on a 56H Nema Frame Size and features a dual-voltage 208-230/460Vac three-phase configuration, making it a standard choice for commercial HVAC blower motor retrofits in Rheem, Ruud, and WeatherKing package units. With a sync speed of 1725 RPM and a 5/8" x 1 7/8" keyed shaft, this reversible rotation motor provides the flexibility needed for various blower configurations. The ball bearing construction ensures continuous duty performance, even in high-temperature environments. For technicians cross-referencing, it is often listed under Marathon Electric 5K49PN4074AX and replaces common legacy parts like 51-42369-01 and 51-21913-02. This three-phase blower motor is engineered for 60Hz operation and utilizes a platform mount for secure, vibration-resistant installation.

• Versatile Voltage: Supports 208-230/460Vac wiring to match domestic and industrial power supplies.
• Rugged Shaft Design: The 5/8" x 1 7/8" keyed shaft is ideal for heavy-duty belt drive blower motor pulleys.
• Ball Bearing System: Permanently lubricated ball bearings reduce friction and extend service life in commercial air handlers.
• Standardized Fitment: Built on a 56H Nema Frame with a platform mount for perfect alignment with OEM bracketry.
• Reversible Rotation: Field-adjustable rotation allows you to match specific fan wheel requirements on-site.

Is this motor compatible with single-phase residential units?
No, this is a three-phase blower motor designed for commercial 208-230/460V electrical systems. Attempting to wire this to a single-phase line will cause immediate failure.

What are the FLA ratings for this 1.5 HP motor?
This motor pulls 5.8 Amps at 208V, 4.6 Amps at 230V, and 2.8 Amps at 460V. Always verify your circuit breaker and wire gauge match these Full Load Amp specs.

Does this motor include the mounting platform?
Yes, this 56H frame motor features an integrated platform mount designed for standard Rheem and Ruud blower housing rails.

This item is not eligible for free shipping.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.