Secheron AC Circuit Breakers

Sécheron MACS AC Circuit Breaker is a platform for Main AC Switch installed on electric rail vehicles running on AC networks. The AC vacuum Circuit-Breaker (AC VCB), which is the core function of the assembly, can be combined on the same base plate with other functions. These include:

  • Earthing Switch (ES),
  • Surge Arrester (SA),
  • Roof Switch (RS),

As a result, this offers the car builders the most modular platform; particularly well adapted to match their different applications and requirements.

MACS AC Circuit Breakers can be mounted either vertically on the vehicle’s roof of EMUs and trains as well as inside the traction container for locomotives.

Another option is mounting them horizontally inside Sécheron’s high voltage modular compact enclosure, AC & DC MODBOX®, to be installed on the roof- or under the frame of trains.

Main Features

Compact multi-functional switch including: MACS AC Circuit Breaker, earthing switch (option) and surge arrester (option) on a single support of 940 mm x 430 mm.

  • Suitable for 15 kVAC and/or 25 kVAC networks
  • Conventional free air thermal current: 1000 A
  • Rated impulse withstand voltage (1.2 / 50 μs): Uimp = 125 kV or 170 kV
  • External creepage distances > 1000 mm
  • Vacuum interrupter
  • Electric operation (closing and holding)
  • Usable in various ranges of ambient temperature from -40 °C to +70 °C (-50 °C to +70 °C in option)
  • Reference standards: IEC60077-1 /-2 /-4, IEC61373, EN50121-3-2, NF F16-101 /-102
Secheron MACS

Secheron MACS

Secheron Roof Mounted MACS
Roof Mounted MACS

Local Support

As the authorised Australian and New Zealand Service Center, IMTRAM is able to provide dedicated local support for Secheron products.

With over a decade of experience, IMTRAM is a trusted partner for expert advice, seamless service, and comprehensive overhauls.

Secheron HSCB UR26
IMTRAM – Secheron Service Center

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