Marathon Motors E148B Close-Coupled Pump Motor 3 HP 230/460V 1800RPM 182JMV - E148B

Marathon Motors E148B Close-Coupled Pump Motor 3 HP 230/460V 1800RPM 182JMV - E148B

The Marathon Motors E148B is a high-performance close-coupled pump motor designed for continuous duty across a range of industrial and HVAC applications. Delivering 3 horsepower at 1800 RPM, it operates efficiently with both 230 and 460-volt systems.

Product Highlights

This motor is suited for tasks demanding sustained operation, from manufacturing to material handling. It offers mechanical endurance and is locked on the shaft end, ensuring smooth functionality over time.

Features

• Features NEMA JM pump dimensions for reliability.
• Equipped with a drip-proof 182JMV frame for enhanced longevity.
• Provides reversible rotation and vertical mount capability without base.

Specifications

What our Experts Think

• Solid Performance: Provides 3 HP at 1,760 RPM—perfect for pump and fluid handling systems.

• Voltage Ready: Compatible with 230/460V 3-phase power for flexible installations.

• Rugged Build: Built with a 182JMV frame and a drip-proof enclosure for durability in typical pump environments.

• Easy to Install: Designed for close-coupled mounting with a vertical shaft down orientation.

• Proven Reliability: From Marathon Motors—trusted for consistent quality and dependable operation.

Q&A

Q: What is the Marathon B1316 motor used for?
The B1316 is a 1/2 HP, single-phase motor designed for fan and blower applications, including belt-driven systems and HVAC units.

Q: What are the motor’s electrical specifications?
It operates at 115/208-230 V, single-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 1.15, allowing for brief overloads up to 15% above rated load.

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.