Description
The Century H718V1 is a heavy-duty, two-speed, two-winding variable torque motor engineered for demanding HVAC belted drive applications. Designed for commercial and industrial systems where precise airflow control across multiple speeds is essential, this motor delivers reliable performance in a compact 56Y frame with an open drip-proof (ODP) enclosure.
Motor Performance Specifications
- Horsepower: 1 HP (high speed) / 0.44 HP (low speed)
- Speed: 1725 RPM (high) / 1140 RPM (low)
- Voltage: 460 VAC
- Amperage: 1.7 A (high speed) / 1.1 A (low speed)
- Service Factor: 1.15
- Speeds: 2-Speed, 2-Winding Variable Torque (2-2-VT)
Construction & Design Features
- Frame: 56Y
- Enclosure: Open Drip-Proof (ODP / Dripproof)
- Bearing Type: Ball Bearing
- Base: Resilient Base
- Drive Type: Belted Drive
- Rotation: Reversible
- Overload Protection: None (No Overload Protector)
Application Highlights
The H718V1’s two-winding variable torque design allows independent operation at each speed, making it ideal for belt-driven air handling units, supply fans, and exhaust fans where variable airflow is required. The 56Y frame provides direct compatibility with standard HVAC equipment mounting configurations, while the resilient base minimizes vibration transmission to the structure.
Why Choose the Century H718V1?
- Dual-speed operation reduces energy consumption at low-load conditions
- 1.15 service factor provides a built-in performance margin for demanding environments
- Ball bearings ensure long service life and smooth, quiet operation
- Reversible rotation offers flexible installation and replacement options
- ODP enclosure suits indoor applications with limited moisture exposure
- 460V rating ideal for commercial three-phase electrical systems







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