JHD250 Wire Rope Hoist 8-25T Dual Speed Ø325-405mm – Heavy-Duty Two-Speed Lifting Solution

The JHD250 Wire Rope Hoist 8-25T Dual Speed delivers exceptional heavy-duty lifting performance with two-speed motor technology for industrial applications requiring substantial capacity and versatile speed control. This wire rope hoist combines CATET’s proven hoisting engineering with dual-speed drive system and Ø325-405mm drum configuration to provide comprehensive lifting solutions across the 8-25 ton capacity range with switchable speed operational capability.

Technical Specifications and Performance Features

The hoisting system provides 8-25 ton lifting capacity with dual-speed control for enhanced operational flexibility in heavy-duty applications. This JHD250 system features robust construction with Ø325mm or Ø405mm drum diameter options, providing optimal lifting efficiency for heavy load requirements while accommodating two-speed motor systems for high-speed material handling and low-speed precision positioning.

The dual-speed operation enables switchable speed settings with low-speed precision control from 0.6 to 1.3 m/min and high-speed efficiency from 4.0 to 8.0 m/min, providing operational flexibility for applications requiring efficient heavy load transfer and precise positioning across the full capacity range. The drum design with 4/1 reeving ratio ensures optimized rope capacity and lifting performance for demanding industrial applications.

Mechanical Design Features

The wire rope hoist utilizes heavy-duty components engineered for dual-speed operation:

• High-strength alloy steel gear components for maximum durability with full gear grinding process
• Ø325mm or Ø405mm drum diameter options for various capacity requirements
• Reduction ratios: 185.5, 149.6, or 119.1 (depending on configuration)
• Precision ball bearings designed for heavy load applications
• Aluminum housing providing excellent heat dissipation under load and lightweight construction
• Electromagnetic brake system for immediate load holding with high-speed electronic rectifier
• IP55 protection class suitable for industrial environments (optional IP65)

The mechanical components follow FEM/ISO design standards and are designed to provide reliable heavy-duty hoisting performance with integrated two-speed control functionality across high and low speed ranges.

Motor Specifications

Y135L3C Motor (Standard Configuration):

• Rated power: 1.9/12.5 kW (50Hz) or 2.4/15.0 kW (60Hz)
• Frequency: 50/60 Hz
• Ingress protection: IP55 (Optional IP65)
• Drive weight: 245 kg

Y135L4B Motor (Enhanced Configuration):

• Rated power: 2.6/16.0 kW (50Hz) or 3.2/19.2 kW (60Hz)
• Frequency: 50/60 Hz
• Ingress protection: IP55 (Optional IP65)
• Drive weight: 260 kg

Y135L5 Motor (High-Capacity Configuration):

• Rated power: 2.9/18.8 kW (50Hz) or 3.5/22.6 kW (60Hz)
• Frequency: 50/60 Hz
• Ingress protection: IP55 (Optional IP65)
• Drive weight: 260 kg

Operational Features

When configured for dual-speed operation, the hoisting system provides:

Speed Configurations:

• Low-speed precision mode: 0.6 to 1.3 m/min for accurate positioning
• High-speed efficiency mode: 4.0 to 8.0 m/min for material transport
• Speed variations based on capacity, drum diameter, and motor selection
• Smooth speed transition between operational modes
• Speed control commands from control pendant or remote system

Performance Ranges:

Ø325mm Drum Configurations:

• 0.6/4.0 m/min (0.8/4.8 m/min at 60Hz) for 10-16 ton with 185.5 ratio
• 0.8/5.0 m/min (1.0/6.0 m/min at 60Hz) for 10-20 ton with 149.6 ratio
• 1.0/6.3 m/min (1.2/7.6 m/min at 60Hz) for 8-16 ton with 119.1 ratio

Ø405mm Drum Configurations:

• 0.8/5.0 m/min (1.0/6.0 m/min at 60Hz) for 8-20 ton with 185.5 ratio
• 1.0/6.3 m/min (1.2/7.6 m/min at 60Hz) for 8-16 ton with 149.6 ratio
• 1.3/8.0 m/min (1.6/9.6 m/min at 60Hz) for 6.3-12.5 ton with 119.1 ratio

The hoist drive maintains consistent mechanical performance across both speed ranges with reduction gear ratios of 185.5, 149.6, or 119.1, ensuring smooth lifting operations with precise control capabilities for heavy-duty applications.

Safety and Protection Systems

Standard safety features include:

• Two-surface safety brake with reliable performance, high closing frequency, small wear and long life
• Electromagnetic brake for immediate heavy load holding with power failure automatic braking
• Torque rating: 100 Nm or 150 Nm (depending on configuration)
• IP55 environmental protection rating (optional IP65)
• Thermal protection integrated in motor design
• Integration capability with emergency stop systems
• Enhanced overload protection for heavy-duty operation
• Upper and lower limit switches with functional and separate limit drums available as options

Working Class and Capacity Range

Duty Classifications (ISO/FEM):

• M5/2m: For general industrial applications with moderate duty cycles
• M6/3m: For frequent operation with higher duty requirements
• M7/4m: For intensive operation with demanding duty cycles

Capacity Configurations by Drum Size:

Ø325mm Drum (4/1 Reeving):

With 185.5 Reduction Ratio:

• 25-ton capacity: 0.6/4.0 m/min with Y135L5 motor (M5/2m)
• 20-ton capacity: 0.6/4.0 m/min with Y135L5 motor (M6/3m)
• 16-ton capacity: 0.6/4.0 m/min with Y135L3C or Y135L4B motor (M5/2m or M7/4m)
• 12.5-ton capacity: 0.6/4.0 m/min (M6/3m or M7/4m)
• 10-ton capacity: 0.6/4.0 m/min (M7/4m)

With 149.6 Reduction Ratio:

• 20-ton capacity: 0.8/5.0 m/min with Y135L5 motor (M5/2m)
• 16-ton capacity: 0.8/5.0 m/min with Y135L4B or Y135L5 motor (M6/3m)
• 12.5-ton capacity: 0.8/5.0 m/min (M6/3m or M7/4m)
• 10-ton capacity: 0.8/5.0 m/min (M7/4m)

With 119.1 Reduction Ratio:

• 16-ton capacity: 1.0/6.3 m/min with Y135L5 motor (M5/2m)
• 12.5-ton capacity: 1.0/6.3 m/min with Y135L4B or Y135L5 motor (M5/2m or M6/3m)
• 10-ton capacity: 1.0/6.3 m/min (M6/3m or M7/4m)
• 8-ton capacity: 1.0/6.3 m/min (M7/4m)

Ø405mm Drum (4/1 Reeving):

With 185.5 Reduction Ratio:

• 20-ton capacity: 0.8/5.0 m/min with Y135L5 motor (M5/2m)
• 16-ton capacity: 0.8/5.0 m/min with Y135L4B or Y135L5 motor (M5/2m or M6/3m)
• 12.5-ton capacity: 0.8/5.0 m/min with Y135L3C or Y135L4B motor (M5/2m or M6/3m or M7/4m)
• 10-ton capacity: 0.8/5.0 m/min (M6/3m or M7/4m)
• 8-ton capacity: 0.8/5.0 m/min (M7/4m)

With 149.6 Reduction Ratio:

• 16-ton capacity: 1.0/6.3 m/min with Y135L5 motor (M5/2m)
• 12.5-ton capacity: 1.0/6.3 m/min with Y135L4B or Y135L5 motor (M5/2m or M6/3m)
• 10-ton capacity: 1.0/6.3 m/min (M6/3m or M7/4m)
• 8-ton capacity: 1.0/6.3 m/min (M7/4m)

With 119.1 Reduction Ratio:

• 12.5-ton capacity: 1.3/8.0 m/min with Y135L5 motor (M5/2m)
• 10-ton capacity: 1.3/8.0 m/min with Y135L4B or Y135L5 motor (M5/2m or M6/3m)
• 8-ton capacity: 1.3/8.0 m/min (M6/3m or M7/4m)
• 6.3-ton capacity: 1.3/8.0 m/min (M7/4m)

Installation and System Integration

The hoisting system offers flexible installation options for heavy-duty applications:

• Multiple mounting orientations available (installation angle 0° to 90° or 0° to 30° depending on configuration)
• Heavy-duty crane beam integration
• Compatible with existing heavy-duty crane structures
• Standard control interface connections
• Trolley-mounted or fixed-point installation options
• Flexible installation forms: various mounting options available to meet electric hoists structures

Outline Dimensions:

• Motor diameter (D): 271 mm (all configurations)
• Length L1: 670 mm (all motor types)
• Length L2: 210 mm (all configurations)
• Total length L: 244.5 mm
• Drive weight: 245 kg (Y135L3C), 260 kg (Y135L4B/Y135L5)

Dual-Speed Control Configuration

For dual-speed operation, the system features:

• Two-speed electric motor with large starting and limiting torque (Y135L3C, Y135L4B, or Y135L5)
• Integrated speed selection control system with low starting current and high power density
• High-speed and low-speed operational modes with ratio-matched performance
• Model designations: JHD250U185.5~Y135L3C, JHD250U149.6~Y135L4B, JHD250U119.1~Y135L5
• Proper electrical connections per specifications
• Control voltage options available

Technical Performance Data

Standard Specifications:

• Model: JHD250
• Capacity range: 8-25 tons (6.3-25 tons with full configurations)
• Drum diameter: Ø325mm or Ø405mm
• Reeving ratio: 4/1
• Motor type: Dual-speed three-phase (Y135L3C / Y135L4B / Y135L5)
• Rated power: 1.9/12.5 / 2.6/16.0 / 2.9/18.8 kW (50Hz standard)
• Rated power: 2.4/15.0 / 3.2/19.2 / 3.5/22.6 kW (60Hz operation)
• Voltage: 380V (standard)
• Frequency: 50Hz (standard), 60Hz available
• Duty classification: M5/2m to M7/4m (capacity and application dependent)
• Protection class: IP55 (optional IP65)
• Insulation class: F
• Brake: Electromagnetic brake system with high-speed electronic rectifier
• Brake torque: 100 Nm or 150 Nm
• Design standard: According to FEM/ISO

Dual-Speed Performance:

• Low-speed range: 0.6-1.3 m/min for precision control
• High-speed range: 4.0-8.0 m/min for efficient material handling
• Speed ratio variations: Based on capacity, drum size, and motor selection
• Control: Pendant or radio remote control
• Operation: Switchable dual-speed control with smooth transition
• Reduction gear ratios: 185.5, 149.6, or 119.1

Quality Manufacturing Standards

The hoist follows CATET’s established manufacturing protocols based on the philosophy of “pragmatic, efficient, innovative, and strong”:

• Precision manufacturing and assembly processes
• Enhanced quality control testing for heavy-duty applications
• Wire rope and drum inspection protocols
• Standard product warranty coverage
• Complete technical documentation provided
• European standard crane manufacturing specifications

Product Features

High Quality Gear:

• High-strength high-quality alloy steel construction
• Full gear grinding process for precision
• Low running wear and noise characteristics
• Low operating noise characteristics

Aluminum Housing:

• Lightweight product design (245-260 kg drive weight)
• High corrosion resistance
• Good appearance quality for professional presentation

Two-Surface Safety Brake:

• Reliable performance with high closing frequency
• Small wear characteristics ensuring long life
• Power failure automatic braking capability
• Safe and vibration-free braking operation
• Brake torque: 100 Nm or 150 Nm

Excellent Sealing Properties:

• High-quality sealing originals utilized
• Customer proprietary process implementation

Excellent Motor Performance:

• Large starting and limiting torque capability
• Low starting current consumption
• High power density design
• Long working life expectancy
• Dual-speed functionality: 1.9/12.5 to 2.9/18.8 kW

Extended Wheelbase:

• Increased gear load capacity
• Suitable for larger diameter drums (Ø325mm or Ø405mm)
• Enhanced rope capacity
• Wire rope life improvement features

Dual Drum Size Options:

• Ø325mm drum for compact installations
• Ø405mm drum for extended rope capacity
• Both configurations available with 4/1 reeving ratio
• Flexible selection based on application requirements

Application Suitability

The wire rope hoist serves various heavy-duty industrial applications:

• Heavy manufacturing facilities requiring dual-speed lifting
• Steel mills and heavy industry operations
• Construction sites demanding precise heavy load positioning
• Port and container handling operations
• Shipbuilding and large assembly operations
• Mining and heavy equipment operations
• Maintenance workshops requiring variable speed capability
• Assembly line material handling systems

Technical Support and Configuration

For proper system operation:

• Dual-speed motor specified for heavy-duty applications (Y135L3C, Y135L4B, or Y135L5)
• Appropriate control system for speed selection
• Professional installation recommended with proper mounting orientation
• System integration consultation available
• Model selection based on capacity, speed range, drum size, and duty class requirements
• Technical support via telephone, e-mail, video and other forms

Service and Support

Technical Support: Lifetime technical support provided to help customers solve problems in the process of product use.

Operation Training: Free training provided for newly purchased products to help customers use the products effectively.

Product Warranty: Comprehensive warranty coverage for product failure or damage with maintenance services provided.

Prompt Service: Timely product and service delivery with efficient response to customer needs.

Maintenance Requirements

The hoisting system requires:

• Regular mechanical maintenance per CATET specifications
• Wire rope inspection and replacement schedules for heavy loads
• Dual-speed motor and control system maintenance
• Periodic brake system inspection and adjustment for heavy-duty operation
• Enhanced drum and rope system inspection
• Lubrication maintenance following manufacturer guidelines
• Gear reduction unit maintenance per operational hours

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Contact CATET technical support for specific configurations, dual-speed compatibility requirements, and system integration support for your heavy-duty industrial lifting applications.