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Crane Electric Motor

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Crane Electric Motor

1.Heavy-Load Power: Designed for crane duty with ≥0.95 power factor and overload up to 300% rated torque, ideal for frequent start-stops.

2.Intelligent Control: Variable frequency regulation (0.5–100Hz) cuts energy use by 25%.

3.All-Environment Ready: IP55 protection, Class F insulation, wide -25℃~60℃ range, salt spray and vibration tested.

4.Long Service Life: SKF insulated bearings, vacuum impregnation, >100,000 hours design life.

5.Global Compliance: Meets IEC 60034 and GB/T 755, compatible with major-brand crane motor specifications.

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Parameter YZR Series YZPSeries
Power Range 7.5-315kW 5.5-250kW
Rated Voltage 380V/660V 380V/690V
Insulation Class Class F Class H
Protection Class IP54 IP55
Duty Type S3 S1
Cooling Method IC411 IC416
Bearing Type Insulated deep groove ball bearing Cylindrical roller bearing

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Product Features and Applications

1.Rotor Performance: Cast aluminum rotor with up to 2.8× starting torque.

2.Heat Dissipation: Dual ventilation improves cooling on H180+.

3.Flexible Mounting: IMB3, IMB5, IMV1 configurations.

Applications: overhead cranes, gantry cranes, winches, and hoists. Whether an electric motor in a crane while lifting a load or crane electric motor for compact lifting, these solutions ensure power and reliability.

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Product Details

1.Frame: Constructed from high-strength HT250 cast iron with reinforced ribs, providing superior structural rigidity and impact resistance.

2.Windings: Features vacuum pressure impregnation (VPI) technology for enhanced moisture resistance, heat resistance, and improved insulation performance.

3.Intelligent Add-ons: Optional encoders and brakes are available, supporting the automation and precise control needs of crane systems.

Compared to standard electric motors, these crane-specific motors are engineered for industrial durability and reliability. Designed to withstand the demanding conditions of cranes—such as frequent start-stop cycles, heavy loads, and exposure to dust and humidity—they are ideal for use in electromagnetic cranes, overhead cranes, and other heavy lifting applications.

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Product Support

Hanko Heavy Industries produces crane electric motors with premium silicon steel and copper wire. Every unit undergoes full-load, insulation, and impact testing. From electric motor replacements to heavy-duty models, reliability is guaranteed. Hanko ensures global compliance and professional support.

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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 action should be taken before starting the cranes electric motor?
Inspect wiring, check lubrication, and ensure no load obstruction.
Power is measured in kilowatts (kW).
No. With IC416 cooling, temperature rise stays ≤65K even at 5Hz.
Yes. Stainless steel housings and ceramic coatings available for marine use.

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