• en
  • Electrification
  • Renewable energies & energy storage
  • Rolling mills
  • Power generation

Disconnectors for fixed installation

Sécheron SW-type off-load disconnect switches come in a wide range of configurations and with optional features to meet the needs of all railway applications. Our switches ensure the safe isolation of the equipment powering the overhead lines and third rails of DC mass transit and DC railway lines.

  • Electrification
  • Renewable energies & energy storage
  • Rolling mills
  • Power generation

Disconnectors for fixed installation

Sécheron SW-type off-load disconnect switches come in a wide range of configurations and with optional features to meet the needs of all railway applications. Our switches ensure the safe isolation of the equipment powering the overhead lines and third rails of DC mass transit and DC railway lines.

Main benefits

  • Comprehensive product line
  • Wide range of configurations and options
  • Reliable isolation for high electrical safety
  • Protects people with key interlocking functions
  • High short-time withstand current
  • Extensive factory reliability testing
  • Low maintenance
  • Proven design accepted worldwide
  • Long service record
  • Worldwide after-sales service

Product environment

Sécheron brings decades of experience designing and manufacturing electrical safety components and solutions for DC traction power substations for the railway industry. Our SW-type off-load disconnect switch comes in a wide range of configurations and with optional features to meet the needs of all railway applications. Our switches ensure the safe isolation of the equipment powering the overhead lines and third rails of DC mass transit (metro, Light Rail Vehicles, tramways, EMU trains) and DC railway lines.

Our disconnectors for fixed installations can be integrated into your disconnector panels to be used as the rectifier incoming or negative disconnector, feeder cable disconnector, by-pass disconnector, or as the disconnector and earthing switch.

All of our components and solutions are backed by Sécheron expert service during all phases of your project. Let us recommend the best solution to meet your needs. Whatever your choice, you can count on efficient support worldwide for the entire lifetime of your product.

Brochures

  • Off-load switches SW
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  • DC circuit breaker UR26-80S ANSI
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Disconnectors for fixed installation

Product description

  • Executions: disconnector, disconnector & earthing, change-over.
  • Rated insulation voltage 3000 or 4800 VAC/DC.
  • Current range from 2000 A to 8000 A.
  • High insulation level – OV4.
  • Peak short-time withstand current 170 kA.
  • 1 or 2 pole versions.
  • No breaking nor making capacity.
  • Electric operation.
  • Control voltage from 24 to 220 VDC or 230 VAC.
  • Optional electro-magnet or key interlockings.
  • Auxiliary contacts for main contact position indication.
  • High mechanical durability.
  • Indoor installation.
  • Suitable for ambient temperature – 25 °C to +40 °C.
  • Reference standards: EN 50123-3; IEC 61992-3.

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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