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FASCO D503 HVAC motor silver metal cylinder 3.3 in frame

FASCO

FASCO D503 HVAC Motor 1/10 HP 1590 rpm 230V 3.3 in

SKU CH-DXBY-AYCVZ

Direct-drive blower motor with permanent-split-capacitor design delivers 1/10 HP at 1590 rpm on 230 V single-phase power

  • typeClosed Base
  • 1/10 HP delivers reliable airflow for residential HVAC systems
  • 1590 rpm single-speed operation simplifies installation and control
  • 230 V AC rating matches standard household supply without adapters
  • 3 in frame fits common blower housings for direct replacement
  • Auto thermal protection guards motor against overheating damage

Replacement HVAC Blower Motor

This FASCO D503 is a direct-drive blower motor built for HVAC equipment that requires a permanent split capacitor design. It delivers 1/10 HP at a nameplate speed of 1590 rpm on 230 V AC single-phase power. The motor fits a 3.3 in frame and includes a 30 in lead length for wiring flexibility. It carries Class B insulation and automatic thermal protection.

Suitable for single-speed 230 V applications

This unit suits technicians replacing a failed single-speed motor in residential or light-commercial air handlers, furnaces or packaged units where the nameplate calls for 1/10 HP and 1590 rpm at 230 V. It is not for systems that require multi-speed operation, 208 V or 200 V supply, or a different horsepower rating. Builders needing reversible rotation will find the CW/CCW capability useful, but those needing a totally enclosed enclosure should look elsewhere.

Frame size 3.3 in with extended stud mounting

The 3.3 in frame diameter and extended stud mounting pattern determine whether this motor bolts into the existing housing. Verify the frame measurement and stud layout on the old motor before ordering. The all-angle mounting position allows installation in any orientation, but the physical frame size is the critical fitment check.

Highlights

  • 1/10 HP delivers reliable airflow for residential HVAC systems
  • 1590 rpm single-speed operation simplifies installation and control
  • 230 V AC rating matches standard household supply without adapters
  • 3 in frame fits common blower housings for direct replacement
  • Auto thermal protection guards motor against overheating damage

Specifications

BrandFASCO
typeClosed Base

Questions about this item

How much heat and current does the 1/10 HP motor draw when running continuously at 230V?

The motor draws 1.00 full-load amps at 230V AC, has Class B insulation rated for a maximum ambient temperature of 40°C, and includes automatic thermal protection to limit heat build-up during all-day operation.

What capacitor and wiring must I already have to install this permanent-split-capacitor motor?

You need a correctly rated run capacitor for a 1/10 HP, 230V permanent-split-capacitor motor and a 230V single-phase supply; the motor ships with 30-inch leads for connection to your existing wiring.

Will the 3.3-inch frame and extended-stud mounting fit the bracket and shaft coupling on my older blower assembly?

The motor uses a 3.3-inch diameter frame with extended-stud mounting and a single shaft, designed for all-angle installation, so it matches legacy housings that share those dimensions and mounting pattern.

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