Description
The US Motors 1818H is a heavy-duty blower motor engineered for dependable performance in commercial and industrial HVAC air-handling applications. Designed with a 56Z NEMA frame and an open air-over (OAO) enclosure, this motor is purpose-built for use in blower and fan assemblies where the motor is continuously cooled by the airstream it drives.
Key Specifications
- Horsepower: 1 HP
- Voltage: 208-230/460 VAC
- Speed: 1140 RPM
- NEMA Frame Size: 56Z
- Enclosure Type: Open Air Over (OAO)
- Motor Type: Blower Motor
- Brand: US Motors
- SKU: 1818H
Design & Performance
The 56Z NEMA frame ensures straightforward, standardized mounting compatibility with a wide range of OEM and replacement blower assemblies. The dual-voltage rating of 208-230/460 VAC provides flexibility for installation across varying electrical supply configurations commonly found in commercial HVAC systems. Operating at 1140 RPM, this motor delivers smooth, efficient airflow suited for belt-drive blower applications.
Open Air Over Enclosure
The open air-over enclosure design allows the motor’s internal windings to be cooled directly by the air passing over the motor housing. This construction is ideal for in-duct or blower cabinet installations where a consistent airstream is present, helping to maintain optimal operating temperatures and extend motor service life.
Applications
- Commercial air handling units (AHUs)
- Belt-drive blower assemblies
- HVAC fan coil units
- Industrial ventilation systems
- OEM blower motor replacement
Why Choose US Motors?
US Motors (a Nidec brand) is a trusted name in HVAC motor manufacturing, known for producing motors that meet rigorous quality standards and deliver long-term reliability. The 1818H is a proven solution for contractors and technicians seeking a dependable replacement or new-installation blower motor.
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