Sécheron's expertise in this particular field started in 1948 while developing the first DC Circuit Breaker to protect it's own made mercury vapor rectifier. Today, Sécheron offers the most complete range of DC high-speed current limiting Circuit Breakers for both traction applications (rolling stock and substations) and industrial applications, rated up to 6000 A and 4000 Vdc.
Customer benefits
Proven worldwide experience and acceptance
Safety with a high insulation level : power frequency withstand voltage up to 15 kV
Long life time of the product and low maintenance level : up to 5x100'000 operations
Strong competencies to provide innovative solutions, for example protective enclosures for vehicle roof or underframe mounting
Industrial capability and facilities enabling production of large series
Certified according EN/IEC 60077-3, EN50123-2/IEC61992-2, IEC60947-3, Japanese JEC7152 & Russian GOST 9219-88
