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Variable Frequency Motor

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crane hoist motor selection motor hoist crane overhead-crane-motor-type Variable-Frequency-Motor

Variable Frequency Motor

  • Energy Saving: The drive motor adjusts operating speed according to load conditions, reducing power consumption by 30–50%.

  • Smooth Control: Works with frequency control systems and motor speed controllers to achieve precise 0–100% speed regulation.

  • Flexible Options: Compatible with AC, DC, and three-phase variable frequency drive motor applications across different system requirements.

  • Lower Wear: Soft start and controlled braking minimize mechanical stress on gears, pumps, and belt-driven components.

  • Long Service Life: Enhanced cooling using a dedicated motor fan or external ventilator ensures stable and durable operation.

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H (optional VPI insulation)

Parameter Specification Range</b>
Power Range 0.75 kW – 315 kW (custom options available)
Frequency Range 0 – 60 Hz (up to 100 Hz on request)</td>
Speed 720 / 960 / 1440 / 2880 RPM
Pole Options 2 / 4 / 6 / 8 Poles
>Speed Control Accuracy</td><td width=”365″>±0.5% (with closed-loop control)
idth=”201″>Efficiency Classes IE2 / IE3 / IE4
Cooling Methods IC411 (self-cooled) / IC416 (force-cooled)
Protection Rating IP44 / IP54 / IP55
Insulation Class</td> F /
Standards IEC / GB / ISO compliant

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Product Features and Applications

1.Energy Savings: Adapts motor speed to load, cutting energy use by 30–50%.

2.Durability: Reduced mechanical wear extends crane component lifespan.

3.Safety & Control: </strong>Works with Variable Frequency Motor Controllers for precise feedback and overload protection.

Whether used in bridge cranes, gantry cranes, winches, or tower cranes, a variable frequency motor ensures smooth load handling, precise control, and powerful lifting performance.

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Product Details

1.Motor Junction Box: High-quality junction box for simple, quick, and stable operation.

2.High-Hardness Shaft: Made from premium materials with precision manufacturing for long service life.</p>

3.</s

trong>Heat Dissipation Hood:</b> Excellent heat dissipation performance ensures stable operation of the variable frequency motor.

4.Metal Lifting Ring: A top ring allows easy rope attachment for convenient transportation and movement of the motor.

5.Stable Base: Thickened material and accurate dimensions ensure stable placement during operation.

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Product Support

Hanko Heavy Industry specializes in advanced variable frequency motors for cranes, featuring high-grade copper windings and silicon steel cores. Every unit undergoes rigorous load, insulation, and durability testing before shipment to ensure reliable performance.

Our product range covers low-voltage variable frequency motors and heavy-duty three-phase variable frequency motors. As a professional manufacturer of variable frequency motors, we provide both standard models and customized solutions tailored to specific crane operating requirements. Our products are trusted by customers worldwide for their industrial-grade quality and adaptability.

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Complete Guide

About Hanko

Hanko products are manufactured using high-strength materials and go through strict quality inspections to ensure durability and operational safety.

We offer custom manufacturing services for non-standard parts based on customer drawings or specific requirements.

Our products meet international standards and are exported worldwide, earning the trust of clients across Asia, the Middle East, Europe, and beyond.

What makes a variable frequency motor better than a fixed-speed motor?
It adjusts speed with an inverter, reducing energy use and improving torque stability.
Regular motors cause torque fluctuations and higher wear. A variable frequency motor controller ensures smooth and safe operation.
Yes, we offer AC variable frequency motors, DC variable frequency motors, and permanent magnet variable frequency motors to fit specific crane needs.
Options include variable frequency motor ventilators, fans, and integrated cooling in variable frequency motor controllers, ensuring long-term performance.

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