Marathon Regal Rexnord Marathon G905A 1/2HP 208-230/460V 3PH Motor - G905A

Marathon  Regal Rexnord Marathon G905A 1/2HP 208-230/460V 3PH Motor - G905A

The Regal Rexnord Marathon G905A industrial motor is a robust and reliable power source designed for demanding applications. This motor is ideal for industrial engineers and maintenance professionals.

Product Highlights

The Marathon G905A delivers consistent performance even in harsh environments. Its versatile voltage range ensures compatibility with various electrical systems. The motor's durable construction and compact design simplify installation and maintenance.

Features

• 1/2 HP power rating
• 208-230/460V 3PH voltage compatibility
• Three-phase operation

Specifications

What our Experts Think

• Power & Speed: Delivers 1/2 HP at 1800 RPM, suitable for various industrial applications.

• Voltage Compatibility: Operates on 208-230/460V, 3-phase power, accommodating different electrical systems.

• Durable Construction: Features a rolled steel frame with an Open Drip-Proof (ODP) enclosure, providing protection against dust and moisture while ensuring ventilation.

• Mounting & Frame: Designed with a 56 frame and rigid base, suitable for a variety of industrial applications.

• Thermal Protection: Equipped with automatic thermal protection to prevent overheating and ensure motor longevity.

Q&A

Q: What is the Marathon G905A motor used for?
The G905A is a 1/2 HP, three-phase motor designed for general-purpose applications such as fans, blowers, conveyors, and pumps.

Q: What are the motor’s electrical specifications?
It operates at 208-230/460 V, three-phase, with a speed of 1725 RPM.

Q: What type of enclosure does the motor have?
The motor features an Open Drip Proof (ODP) enclosure, suitable for clean and dry indoor environments.

Q: What is the frame size of the motor?
This motor uses a 56 frame.

Q: What is the service factor of the motor?
The motor has a service factor of 1.25, allowing for brief overloads up to 25% above rated load.

Q: What is the efficiency of the motor?
The motor operates with an efficiency of approximately 78.2%.

Q: What is the weight of the motor?
The motor weighs approximately 25 lbs (11.3 kg

Maintenance Tips

• Regular Cleaning: Keep the motor's exterior clean and free from dust and debris to ensure optimal heat dissipation and prevent overheating.

• Ventilation: Ensure that the motor's ventilation openings are unobstructed to maintain proper airflow and cooling.

• Bearing Inspection: Periodically check the ball bearings for signs of wear or noise. While the bearings are permanently lubricated, any unusual sounds may indicate the need for replacement.

• Electrical Connections: Inspect all electrical connections for tightness and signs of corrosion. Loose or corroded connections can lead to voltage drops and motor inefficiency.

• Mounting and Alignment: Verify that the motor is securely mounted and properly aligned with the driven equipment to prevent undue stress on the motor shaft and bearings.

• Operating Environment: Ensure the motor operates within its specified ambient temperature range (up to 40°C) and is protected from exposure to moisture and corrosive substances.

• Overload Protection: Since the motor lacks built-in thermal protection, consider installing external overload protection devices to safeguard against overheating due to excessive load conditions.

• Routine Testing: Conduct regular performance tests, including checking voltage and current draw, to ensure the motor operates within its rated specifications.