With the MACS, Sécheron offers a new generation of AC vacuum circuit-breaker to the manufacturers and operators of vehicles running on AC networks. This product completes the BVAC’s range that has been marketed by Sécheron since 1991. All the field experience gathered since then on thousands of BVAC in operation worldwide, has been integrated to provide the MACS with the maximum added value for car builders and operators.The MACS is a multi-functional switch that is proposed in three main variants: the ACcircuit-breaker (AC VCB) remains the core of the product, to which an Earthing Switch (ES) or/and a Surge Arrester (SA) can be integrated, making it a unique and compact unit.Its small dimensions associated to a light weight make the MACS the perfect solution for your rolling stock material running on 15 kV or/and 25 kV networks.The MACS can also be delivered in an aluminium housing type AC Modbox, integrating other high voltage functions such as current and voltage measurement, disconnectors, filters, transient inductors as well as all the low voltage corresponding control equipments and interfaces.
Customer's benefits
Integrated functions AC Circuit-Breaker, Earthing Switch and Ligthning Arrester on the same 430 mm x 940 mm base plate (MACS)
Full electric closing and holding (MACS) or electro-pneumatic closing and electro-magnetic holding (BVAC)
High mechanical and electrical durability up to 200'000 operations
High making and breaking capacity 600 MVA
Automatic opening of the breaker when holding current is cut-off
Long and proven worldwide experience in AC Vacuum Circuit-Breaker technology for Rolling Stock
