6503V, 0.33Hp (0.25 kW), 1050 RPM, 120/240 V, 1 Ph, 60/50 Hz, Open Air Over (OAO), Frame 48, 6503V

This variable-speed electronically commutated motor is designed for HVAC fan and blower applications, offering dual-voltage and dual-rotation capability in a compact 48-frame open-air-over construction.

KEY FEATURES

• Model: 6503V

• Product Type: Fan and Blower Motor

• Horsepower: 0.33 Hp (0.25 kW)

• Voltage: 120/240 V @ 60 Hz / 120/240 V @ 50 Hz

• Speed: 1050 RPM

• Frame: 48

• Enclosure: Open Air Over (OAO)

• Service Factor: 1

• Current: 5.0 A @ 120 V / 2.8 A @ 240 V

• Duty: Continuous Air Over

• Insulation Class: B

• Thermal Protection: Automatic

• Mounting: Round (belly band, horizontal or vertical shaft-down)

• Shaft: ½″ diameter × 5″ extension, flat

• Bearings: Ball (drive end and opposite drive end)

• Frame Material: Rolled Steel

• Rotation: Counterclockwise/Clockwise (auto‑configuring)

• Number of Speeds: 1 (variable via control interface)

• Poles: 12

• Ambient Rating: 40 °C

• Certifications: CE, UL Recognized component, CSA (component)

• Electrical Type: Electronically Commutated Motor (ECM)

• Special Feature: A2L Certified

This motor’s variable-speed ECM design with dual-voltage and auto-rotation makes it adaptable for diverse HVAC blower configurations while the compact open-air-over frame supports efficient airflow cooling.