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Regal Rexnord - Marathon B303 1/4HP DP Motor 148Yz 725 RPM 115V

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Special Price $207.50 Regular Price $230.33
In stock
SKU
B303
The Regal Rexnord - Marathon B303 provides 1/4 HP fan and blower motor with a 1725 RPM speed and 48YZ frame for HVAC systems. This motor handles air movements in air handling units and ventilation systems plus furnace blowers to maintain effective performance. The motor system provides reliable airflow and uses less power to help systems run better. The motor works well in commercial and industrial spaces by assisting systems to maintain better airflow and temperature control to keep indoor air safe.
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Motors & Capacitors, Blower Motors & Components
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Specifications

  • Type: Fan & Blower
  • Horsepower: 1/4 HP
  • Enclosure Type: Drip-proof
  • Frequency: 60 Hz
  • Frame Size: 48YZ
  • Speed: 1725 RPM
Manufacturer Name: Regal Rexnord - Marathon
Product Number: B303
OEM Part Number: B303
Product Description: 1/4Hp 115V 1725Rpm 48Yz Dp Mot
Weight:14.12lbs/6404.72g

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Product Questions (2)
Customer Questions
What maintenance is required for the Regal Rexnord - Marathon B303 Motor?

Regularly inspect the motor for dust, debris, or loose connections and clean as needed. Lubricate bearings if applicable and ensure proper alignment. Proper maintenance ensures smooth operation, prevents overheating, and avoids mechanical or electrical issues.

What are common issues with the Regal Rexnord - Marathon B303 Motor?

  • Motor overheating or excessive vibration.
  • Bearing wear or failure.
  • Electrical connection issues.
  • Reduced rotational speed or inconsistent operation.

Installation Steps

Step1: Ensure power is off before starting installation.

Step2: Mount the motor securely on a stable surface using proper bolts.

Step3: Align the motor shaft with the driven equipment and check for proper coupling.

Step4: Connect electrical wiring according to the motor’s voltage rating.

Step5: Verify grounding is correct to prevent shock hazards.

Step6: Restore power and test motor rotation and operation.