C1300010653 Electric Motor for Rock Drill Jumbos – 55kW, IP55, IC411 Cooling, 1500rpm
IC411 surface cooling | 40 fins/m linear density | 20% reduction in thermal resistanc
Class F insulation (155°C max temp) | Cast iron housing (EN-GJL-250) | 2000 hours MTBF

Electric Motor C1300010653 High-Reliability for Rock Drill Jumbos

Part Number: C1300010653
  • Technical Specifications:
    • Power: 55kW (75HP) at 1500rpm
    • Voltage:
    • Insulation:
    • Cooling: IC411 (surface-cooled, air circulation)
    • Protection: IP55 (IEC 60529)
  • Design Features:
    • Housing: Cast iron (EN-GJL-250) with 40 fins/m density
    • Bearings: Double-sealed deep groove ball bearings (SKF 6311)
    • Mounting: NEMA 254T frame with ISO 9409-1 pattern
  • Performance Metrics:
    • Efficiency: IE3 (GB 18613-2020)
    • Noise Level: ≤85dB at 1m (ISO 3744)
    • Service Factor: 1.15 for intermittent overload
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Heavy-Duty Electric Motor for Rock Drill Jumbos
This 55kW (75HP) three-phase induction motor is engineered to deliver reliable performance in the harsh environments of rock drill jumbo operations. Its robust design ensures resistance to vibration, dust, and moisture, making it ideal for continuous-duty mining applications .

 

Technical Specifications & Design
  • Electrical Performance:
    • Operates at 380V/400V/415V (50Hz) with IE3 efficiency (GB 18613-2020), ensuring energy savings of up to 15% compared to standard motors .
    • Class F insulation (155°C maximum temperature) and IP55 protection (IEC 60529) provide long-term durability in dusty or wet conditions .
  • Mechanical Construction:
    • Cast iron housing (EN-GJL-250) with 40 fins/m linear density enhances heat dissipation, reducing thermal resistance by 20% .
    • NEMA 254T frame with ISO 9409-1 mounting pattern ensures compatibility with global mining equipment standards .
  • Maintenance & Reliability:
    • Double-sealed deep groove ball bearings (SKF 6311) require minimal lubrication and offer 2000 hours mean time between failures (MTBF) .
    • IC411 surface-cooling system eliminates the need for external cooling systems, simplifying installation and reducing downtime .

 

Performance Advantages
  • Vibration Resistance:
    • Dynamic balancing to ISO 1940 G2.5 ensures smooth operation under high vibration, critical for drill arm and hydraulic pump drives .
  • Environmental Adaptability:
    • Operates reliably from -20°C to +50°C, with 95% humidity tolerance, making it suitable for both underground mines and outdoor construction sites .
  • Safety Compliance:
    • Compliant with IEC 60034-1 and GB 755 for mechanical and thermal safety, including 1000V dielectric strength testing .

 

Applications
  • Rock Drill Jumbos: Powers hydraulic pumps, conveyor systems, and ventilation equipment.
  • Mining Equipment: Compatible with loaders, crushers, and tunneling machines requiring high-torque motors.
  • Industrial Machinery: Suitable for material handling systems in abrasive environments.

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