Regal Rexnord – Marathon B319 Fan & Blower Motor 3/4 HP 115/208-230V 1725 RPM – B319

Regal Rexnord – Marathon B319 Fan & Blower Motor 3/4 HP 115/208-230V 1725 RPM – B319

The Regal Rexnord – Marathon B319 is a 3/4 horsepower fan and blower motor designed for industrial use. It operates within a voltage range of one hundred fifteen to two hundred thirty volts AC, delivering a consistent speed of seventeen hundred twenty-five RPM. This motor is suitable for various applications including HVAC systems, conveyors, and material handling equipment.

• Power rating of 3/4 HP
• Open drip-proof enclosure
• Capacitor-start induction run type

This motor ensures reliable performance with efficiencies reaching over seventy percent. It features a thermal protection system and is constructed with durable materials to withstand harsh operating conditions.

Specifications

• Manufacturer: Regal Rexnord – Marathon
• Power Rating: 3/4 HP
• Voltage Rating: 115/208 to 230 Volt AC 1-Phase
• Frequency Rating: 60 Hertz
• Speed Rating: 1725 RPM
• Motor FLA: 10/5.2 to 5 Amp
• NEMA Frame Size: 56
• Insulation Class: B
• Weight: 22.55 Pounds
• Bearing Type: Ball (Drive End/Opposite Drive End)
• Shaft Type: T
• Orientation: Horizontal
• Mounting: Resilient Base, Extended Stud

What Our Experts Think

• 3/4 HP, 1725 RPM motor designed for fans and blowers in HVAC and light industrial use.

• 115/208-230V, single-phase operation for flexible installation.

• Durable Regal Rexnord Marathon build ensures reliability and efficiency.

• Open drip-proof (ODP) design supports cooling and consistent performance.

• Ideal for air-handling systems, ventilation, and light machinery.

Q&A

Q: What are the motor’s specifications?
A: 3/4 HP, 1725 RPM, single-phase, 115/208-230V.

Q: What applications is it designed for?
A: Primarily fans, blowers, and air-handling equipment.

Q: What type of enclosure does it have?
A: Open drip-proof (ODP), allowing airflow for cooling.

Maintenance Tips

• Keep ventilation areas clean to prevent overheating.

• Wipe down motor exterior regularly to remove dust and debris.

• Lubricate bearings as recommended by the manufacturer.

• Inspect wiring and mounting hardware periodically for safe operation.