HVAC Condenser Fan Motor – EM3731F | 3/4 HP | 1075 RPM | 208-230V | Totally Enclosed | OEM Replacement

EM3731F Condenser Fan Motor – 3/4 HP – 1075 RPM – 208-230 Volt – HVAC Outdoor Condenser Replacement Motor

Restore reliable cooling performance and condenser airflow with the EM3731F condenser fan motor. Designed for residential and light commercial HVAC systems, this high-performance PSC condenser fan motor is a direct OEM replacement for many outdoor condensing units and heat pump systems.

The EM3731F features dependable 3/4 horsepower output, 1075 RPM operation, and durable Totally Enclosed construction engineered to withstand demanding outdoor HVAC environments. Built with precision ball bearings and thermally protected operation, this motor delivers dependable long-lasting airflow performance for air conditioner condensers and heat pump systems.

Key Features:

• Pro-E Series® Condenser Fan Motor
• 3/4 HP Performance – Designed for demanding condenser fan applications
• 1075 RPM Operation – Optimized for condenser airflow performance
• Permanent Split Capacitor (PSC) Motor
• Capacitor Required: 10 MFD / 370 Volts (Not Included)
• Thermally Protected – Helps prevent overheating and extends motor life
• Totally Enclosed Air Over Design – Protects against moisture and outdoor contaminants
• Class F Insulation – Rated for 70°C ambient temperature
• Ball Bearing Construction – Smooth operation and extended service life
• 1/2" Diameter Shaft with Double Flat
• 36" Leads
• Extended Studs Lead End
• Mounting Holes in Shell
• Belly Band Mount Compatible (Belly Band Not Included)
• A2L Certified – Approved for use in A2L refrigerant systems

Nameplate Specifications:

• Model: EM3731F
• Brand: Century PRO-E SERIES®
• Phase: Single Phase
• Horsepower: 3/4 HP
• Output Power: 0.56 kW
• Voltage: 208-230V
• RPM: 1075
• Service Factor: 1.0
• Frame: 48Y
• Enclosure: Totally Enclosed
• Thermal Protection: Automatic
• Ambient Temperature: 70°C
• Frequency: 60 Hz
• Current Draw: 4.6–5.3 Amps
• Duty Cycle: Air Over
• Insulation Class: F
• UL Recognized: Yes
• CSA Listed: Yes
• CE Approved: No
• A2L Status: A2L Certified
• Number of Speeds: 1

Technical Specifications:

• Electrical Type: Permanent Split Capacitor (PSC)
• Starting Method: Across The Line
• Poles: 6
• Rotation: Reversible
• Mounting: Extended Studs
• Motor Orientation: Any
• Drive End Bearing: Ball Bearing
• Opposite Drive End Bearing: Ball Bearing
• Frame Material: Rolled Steel
• Shaft Type: Flat
• Shaft Diameter: 1/2" (0.500")
• Shaft Extension: 6.0"
• Overall Length: 11.92"
• Frame Length: 4.75"

General Specifications:

• UPC: 786674068972
• Weight: 18.00 lbs
• Packaged Length: 15.55"
• Packaged Width: 6.81"
• Packaged Height: 6.54"
• HTS Code: 8501.40.4040
• Country of Origin: India

Compatible HVAC Equipment Applications:

• Outdoor Air Conditioner Condensing Units
• Heat Pump Condenser Units
• Residential Split Systems
• Rooftop HVAC Units
• Outdoor Fan Assemblies
• Commercial HVAC Condensers
• Refrigeration Condensing Units
• Economaster Condensing Units

Important Fitment Notice:

• Always verify horsepower, voltage, RPM, shaft dimensions, and rotation before ordering
• Requires 10 MFD / 370V capacitor
• Capacitor is NOT included unless otherwise specified
• Confirm mounting configuration and shaft length prior to installation
• Professional HVAC installation recommended
• Designed specifically for condenser fan applications

Why Replace Your Condenser Fan Motor?

A failing condenser fan motor can cause overheating, poor cooling performance, compressor shutdowns, excessive energy consumption, and complete HVAC system failure. Replacing a worn condenser fan motor restores proper condenser airflow and helps maintain efficient cooling system performance.

Why Choose the EM3731F Condenser Fan Motor?

The EM3731F is a trusted universal condenser fan replacement motor engineered for dependable HVAC performance. With durable totally enclosed construction, reversible rotation, heavy-duty ball bearing construction, and broad OEM compatibility, this motor is an ideal solution for restoring reliable condenser airflow and cooling performance in residential and light commercial HVAC systems.