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Marathon Motors MD400 D400 Brake Motor -MD400
Specifications
| Horsepower (HP) | 1/3 HP |
|---|---|
| Speed | 1725 RPM |
| Voltage | 115/208-230 VAC |
| Material | Rolled Steel |
| Enclosure | TEFC (Totally Enclosed Fan Cooled) |
| Mounting | Not specified (typically rigid base) |
| Amperage | 6.6 A (115V), 3.1-3.3 A (208-230V) |
| Rotation | CCW Selective |
| Electrical Type | Capacitor Start |
| Phase | Single |
| Frame | 56C |
| Power Factor | 60 |
| Frequency | 60/50 Hz |
| Overload Protector | None |
| Efficiency | 55% |
| Service Factor | 1.15 |
| Width (in) | 11.19 |
| Length (in) | 19.31 |
| Height (in) | 9.75 |
| Weight (lbs) | 33.00 |
What our Experts Think
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Integrated Brake System: Designed for quick stopping and holding—ideal for applications requiring precise motion control like conveyors, hoists, or machine tools.
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Heavy-Duty Build: Engineered for demanding industrial environments with reliable braking under load.
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Consistent Performance: Offers smooth startup and braking, reducing wear on connected machinery.
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Versatile Use: Perfect for vertical or horizontal mounting in manufacturing and automation setups.
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Proven Reliability: Backed by Marathon’s reputation for long-lasting motor performance and quality components.
Q&A
Q: What is the Marathon MD400 (D400) Brake Motor?
A: The MD400 is a heavy-duty brake motor designed for applications that require quick stops and reliable holding torque.
Q: What are its key features?
A: Features include an integral brake, TEFC enclosure, rigid base mounting, and compatibility with 3-phase power—ensuring safe, controlled operation.
Q: Where is this motor commonly used?
A: Ideal for hoists, conveyors, machine tools, and other equipment requiring rapid stopping or position holding.
Q: Why choose the MD400 model?
A: Built for durability and precision, it combines Marathon’s trusted motor design with effective braking for maximum safety and performance.
Q: Does it meet industry standards?
A: Yes, the MD400 is engineered to meet or exceed industry requirements for brake motor performance and reliability.
Maintenance Tips
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Clean Brake & Motor Housing: Keep free of dust and oil for safe operation.
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Inspect Brake Wear: Check brake pads/disc regularly and replace if worn.
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Lubricate Bearings: Follow schedule; use specified lubricant only.
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Check Electrical Connections: Ensure secure, corrosion-free terminals.
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Test Brake Function: Periodically verify fast, smooth brake engagement.
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