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  • Electrification

DC circuit breakers for traction substations – ANSI standards

With an extremely wide range of configurations and optional features, Sécheron UR-type DC HSCBs ensure the electrical safety of the equipment powering the overhead lines and third rails of DC mass transit (metro, Light Rail Vehicles, tramways, EMU trains) and DC railway systems. Our solutions are compliant with IEEE standards.

  • Electrification

DC circuit breakers for traction substations – ANSI standards

With an extremely wide range of configurations and optional features, Sécheron UR-type DC HSCBs ensure the electrical safety of the equipment powering the overhead lines and third rails of DC mass transit (metro, Light Rail Vehicles, tramways, EMU trains) and DC railway systems. Our solutions are compliant with IEEE standards.

Main benefits

  • A wide range of configurations and options
  • Standard products and custom solutions
  • Extensive factory reliability testing
  • Low maintenance
  • Low Total Cost of Ownership (TCO)
  • Proven designs accepted worldwide
  • Long service record
  • Expert customer support
  • Worldwide after-sales service

Product environment

Sécheron is the railway industry’s global partner for electrical safety solutions for DC traction power substations, bringing decades of experience serving the rail industry. Traction power substation manufacturers and operators have come to rely on our experts for personalized support throughout all phases of their DC traction power substation projects, from recommending the most appropriate solution to obtaining local after-sales service worldwide throughout the lifetime of their products.

Our UR-type DC HSCBs come in a wide range of configurations to suit virtually all operational requirements and can be integrated into DC switchgear or metal-clad enclosures configured for line feeder panels, rectifier breaker panels, and interconnecting breaker panels, for example.

Brochures

  • DC circuit breaker UR26-80S ANSI
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  • DC circuit breaker UR26-80S
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  • Supply program for rail transportation
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DC circuit breakers for traction substations – ANSI standards

Product description

  • Bi-directional or uni-directional, with trip free direct acting device.
  • Rated Voltage 800 VDC, 1600 VDC.
  • Current range from 2000 A to 8000 A.
  • Making & breaking capacity matching operational needs.
  • Electromagnetic closing.
  • Control voltage 110 VDC or 125VDC.
  • Auxiliary contacts for main contact position indication.
  • Constant & limited arc voltage during current interruption.
  • High insulation level – OV4.
  • Ambient temperature – 25 °C to +40 °C.
  • Reference standards: ANSI C37.16; ANSI C37.14.
  • Insulation material according to EN 45545-2.

Request for quotation

For a request for quotation, please visit our dedicated contact center by clicking the Sécheron Support and then selecting “Request for Quotation” in the Help topics.

Sécheron Support
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