2700 kW Class Braking Resistor System (DC 2600 V)
2700 kW Class Braking Resistor System (DC 2600 V) - Image 2
2700 kW Class Braking Resistor System (DC 2600 V) - Image 3

2700 kW Class Braking Resistor System (DC 2600 V)

Designed for high-power mainline locomotives operating on DC 2600 V class traction systems, this 2700 kW braking resistor assembly supports continuous heavy-duty dynamic braking under sustained load conditions.

The system integrates high-temperature alloy resistor grids with a forced-air cooling structure to ensure stable thermal performance and low-inductance electrical characteristics suitable for railway applications.

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Key Specifications

  • Rated Power: 2720 kW
  • Rated Voltage: DC 2600 V class
  • Rated Current: 1043 A
  • Resistance (20°C): 4.5 Ω ±5%
  • Maximum Element Temperature: up to 650°C
  • Cooling Mode: Forced air cooling
  • Inductance (per resistor unit): ≤ 10 μH



Cooling & Motor System

  • Airflow Requirement: >11 m³/s
  • Fan Total Pressure: approx. 1600 Pa
  • Integrated 28 kW DC blower motor
  • Series excitation
  • Insulation Class: F
  • Protection Grade: IP20



Design Features

  • High-temperature alloy resistor elements (Cr25Ni20 / Cr20Ni35)
  • Low-inductance architecture
  • Optimized airflow distribution
  • Designed for long-duration braking cycles

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