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  • Electrification

High-speed circuit breaker panels

ESTRA-MBS

Sécheron MBS heavy duty high-speed circuit breaker panels meet the needs of rail vehicles of all kinds. They come in virtually unlimited configurations and are type-tested against internal arcs to the latest safety standards.

  • Electrification

High-speed circuit breaker panels

ESTRA-MBS

Sécheron MBS heavy duty high-speed circuit breaker panels meet the needs of rail vehicles of all kinds. They come in virtually unlimited configurations and are type-tested against internal arcs to the latest safety standards.

Main benefits

  • Wide range of products
  • Unlimited configurations and optional features
  • Standard products and custom solutions
  • Proven protection built on Sécheron products
  • Low maintenance and easy access to parts
  • Can be installed against a wall
  • Optional remote isolation with motorized withdrawable circuit-breaker
  • Meets the most stringent certification standards
  • Type-tested according to EN 50123-6/A1:2015 standards (internal arc)

Sécheron is known for its broad, deep knowledge of DC traction power substations. For many years, rail industry stakeholders worldwide have turned to us for our DC traction network electrification needs.

DC switchgear controls DC power distribution to overhead lines or third rails. Our MBS heavy duty high-speed circuit breaker panels meet the needs of rail vehicles like trolleybuses, tramways, metros, heavy mass transit vehicle, monorails, commuter trains and main line railway vehicles. Our modular concept and standard products make it easy for us to customize a solution to address your unique needs.

Our DC switchgear and distribution board contain state-of-the-art technology and are built on a proven design. We have developed proprietary technology for all of the main devices in DC systems, including high-speed DC circuit breakers, disconnect switches, protection relays, and measurement amplifiers. We are committed to maintaining the latest certifications for our high-speed circuit breaker panels.

Brochures

  • MBS - Heavy Duty (EN/IEC standards)
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  • MBS - Heavy Duty (IEEE/ANSI standards)
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  • MBS - Type SECUB
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Product description

  • D.C. rated current up to 8’000A.
  • Rated voltage 900 Volts, 1’800 Volts, 3’600 Volts.
  • Applications: line feeder, rectifier breaker, inverter breaker, interconnecting breaker.
  • Optional by-pass, isolating or earthing switches.
  • Line test function with full or reduced voltage.
  • Short-time withstand currents on main circuit and earthing circuit adapted to applications.
  • Control voltage from 24 to 220 VDC, 230 VAC.
  • High mechanical & electrical durability, low maintenance.
  • Protection degree IP20 or IP42.
  • Adaptable depth for specific configurations.
  • Insulating shutters independently lockable.
  • Reference standards: EN 50123, IEC 61992.
  • Reference standards: IEEE ANSI C37.20.1, C37.14.
  • MBS-SECUB variant dedicated to lightrail application

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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