Description
US Motors D12P2AH Three-Phase Blower Motor Overview
The US Motors D12P2AH is a heavy-duty polyphase capacitor blower motor engineered for reliable performance in commercial and industrial HVAC air-handling applications. Rated at 1/2 horsepower and built around a 56H NEMA frame, this motor delivers consistent airflow at 1725 RPM while offering the flexibility of dual-voltage operation — making it an ideal drop-in solution for a wide range of blower and air-handler installations.
Key Specifications
- Horsepower: 1/2 HP
- Motor Type: Polyphase Capacitor (Three Phase)
- Voltage: 208-230/460 VAC
- Amperage: 1.99-1.9/0.98 Amps
- Speed: 1725 RPM
- NEMA Frame Size: 56H
- Enclosure Type: Open Drip-Proof (ODP)
- Bearing Type: 6203
- Mounting Style: Rigid Mount
Dual-Voltage Flexibility
The D12P2AH operates on 208-230V or 460V three-phase power, giving installers the versatility to match the motor to existing electrical infrastructure without additional transformers or rewiring. The corresponding amperage ratings (1.99-1.9A at low voltage / 0.98A at high voltage) ensure efficient current draw at either configuration.
Open Drip-Proof Enclosure
The Open Drip-Proof (ODP) enclosure protects internal windings from dripping liquids falling at angles up to 15° from vertical, making it well-suited for indoor mechanical rooms and air-handling units where the motor is shielded from direct weather exposure. The open design also promotes natural ventilation to keep operating temperatures in check during continuous-duty cycles.
56H NEMA Frame & Rigid Mount
The industry-standard 56H NEMA frame ensures straightforward cross-referencing and direct replacement compatibility with a broad range of OEM blower assemblies. The rigid mount base provides a secure, vibration-resistant installation that maintains proper belt or direct-drive alignment over extended service life.
6203 Bearing
Equipped with a 6203 series bearing, the D12P2AH is designed for smooth, low-friction operation and long service intervals, reducing maintenance downtime in demanding commercial HVAC environments.
Applications
- Commercial air handlers and blower assemblies
- Industrial ventilation and exhaust systems
- HVAC fan coil units
- Three-phase belt-drive or direct-drive blower systems
- Replacement motor for 56H NEMA frame installations
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