Marathon MG639 Explosion-Proof Motor, 1/4 hp, 1800 RPM, 115/230V

Marathon MG639 56 Frame Explosion Proof Division 1 - Class l and ll, Groups C, D, F and G Hazardous Duty Motor, 1/4 hp, 1800 RPM, 115/208-230 VAC - MG639

The Marathon Electric MG639 is a hazardous duty motor built for demanding environments. This motor operates at 1/4 hp and reaches a speed of 1800 RPM. It runs on 115/208-230 VAC and is designed with a rigid base for reliable installation. The motor is rated for explosion-proof Division 1 applications, suitable for Class I and II, Groups C, D, F, and G. Users can expect high performance in various industrial and commercial applications.

Product Highlights

This motor is ideal for use in hazardous locations, providing safety and efficiency.

Features

• Hazardous duty motor with single-phase, one-speed operation
• Capable of running at 1/4 hp with a maximum speed of 1800 RPM
• Construction features rigid base mounting and ball bearing support

Specifications

What our Experts Think

• Explosion Proof Certification: Built to meet Division 1 and Class I & II, Groups C, D, F, and G standards, making it ideal for hazardous locations where explosive gases, vapors, and dust may be present.

• 1/4 HP Power: Perfect for small-duty applications like pumps, fans, and other light industrial machinery that require an explosion-proof motor.

• Reliable Speed: Operates at a consistent 1800 RPM, ensuring steady performance in demanding environments.

• Versatile Voltage: Compatible with 115/208-230 VAC, providing flexibility for various setups.

• Heavy Duty: Designed for tough, hazardous-duty conditions, offering long-lasting durability and minimal maintenance.

Q&A

Q: What is the Marathon MG639 Explosion Proof Motor?
A: The Marathon MG639 is a 1/4 HP, 1800 RPM explosion-proof motor designed for hazardous environments. It complies with Division 1, Class I and II, Groups C, D, F, and G standards, ensuring safe operation in areas with flammable gases, vapors, and dust.

Q: What are the benefits of the MG639 motor?
A: Designed to prevent ignition in hazardous environments, the MG639 motor ensures safety while delivering reliable performance. It’s built to withstand harsh conditions and provide long-term durability.

Q: Where is the MG639 motor used?
A: Commonly used in oil refineries, chemical plants, grain elevators, mining, and other locations classified as hazardous due to the presence of combustible materials.

Q: Why choose the MG639 motor?
A: It offers both safety and efficiency, meeting stringent explosion-proof standards while maintaining reliable performance in challenging and dangerous working environments.

Maintenance Tips

• Inspect Seals & Enclosures: Ensure all seals, gaskets, and conduit entries are intact to maintain explosion-proof integrity.

• Clean Regularly: Keep the motor and housing free of dust and debris while ensuring safety compliance.

• Lubricate Bearings: Use the recommended lubricant and adhere to manufacturer’s lubrication schedule.

• Check Electrical Connections: Ensure tight, corrosion-free connections within approved enclosures.

• Monitor for Noise & Vibration: Listen for abnormal sounds or vibrations that could indicate wear or imbalance.