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AC MODFRAME

The AC MODFRAME is an integrated solution developed for AC and AC/DC Electrical Multiple Units (EMU) and trains. The high voltage roof components necessary to operate and protect the AC rail vehicles are integrated to a single frame, in the open air. The MODFRAME is easily adapted to different vehicle roof scopes, layouts and fixations.

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Brochures
High-voltage integrated system MODFRAME
Systèmes intégrés haute tension MODBOX
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Environnement produit

Over the years, Sécheron has developed an impressive portfolio of components and platforms for high voltage solutions. These cover most of the needs for AC rail vehicles, regardless of where these components are installed, on the roof, under the vehicle’s frame or inside the vehicle.

Today, Sécheron delivers the most complete range of roof-installed high voltage individual components and integrated solutions. These cover the requirements and constraints of almost all vehicles.

The AC MODFRAME is an integrated solution developed for AC and AC/DC Electrical Multiple Units (EMU). It integrates most of the high voltage roof components required for the operation and protection of AC rail vehicles on a single outdoor frame. The main components installed are from Sécheron’s range, supplemented by other devices from leading third party suppliers.

All components installed on the MODFRAME are connected together with busbars, cables and braids, offering the car builder a simple and easy interface for high voltage connections between the MODFRAME and the vehicle. Low voltage cables are directly connected to the individual components through easily accessible outdoor type low voltage connectors. The installation of the MODFRAME on the roof does not require any roof cut-out except if the manual operation is selected for the earthing device.

The frame is made of painted structural steel, designed and manufactured according to EN 15085 standards in our highly certified welding factor. It is designed according to EN 12663 standards for for the structural requirements of railway vehicles. The customizable frame allows adaptation of the MODFRAME to different types of roof architecture and fixation.

The AC MODFRAME perfectly complements the AC MODBOX range where the same type of high voltage components can be integrated horizontally in a compact aluminium enclosure for installation on high speed trains and rail vehicles with a restricted roof gauge, or vehicles operated in harsh environmental conditions.

Données techniques
  • AC applications 15 kV (16.7 Hz) and/or 25 kV (50 Hz or 60 Hz).
  • DC applications 1.5 kVDC and/or 3 kVDC for AC/DC vehicles.
  • Thermal current up to 630 A (AC) and 2,600 A (DC).
  • Main integrated high voltage functions: AC circuit breaker with or without synchronous switching, earthing device, voltage detection, voltage & current measurement, roof disconnector, voltage selector, surge arresters and others.
  • Roof installation in open air.
  • Height above roof ≤ 545 mm
  • Reference standards: EN 50124-1 /, IEC 62497-1, IEC 61373, IEC 60077-2, IEC 60077-3, IEC 60077-4,EN 50463-2 / IEC 62888-2, EN 50125 / IEC 62498…
  • Insulation material according to EN 45545-2.
Documentation
High-voltage integrated system MODFRAME
Systèmes intégrés haute tension MODBOX

Principaux avantages

Reduced engineering work and risks
More efficient logistics and installation
More efficient logistics and installation
Reduced structural noise
Great flexibility to adapt the MODFRAME’s structure to the required roof components
Great flexibility to adapt the MODFRAME’s fixation to the roof constraints
Limited additional weight and height compared to solutions with individual components
One-stop shop for all components
Key components of the Sécheron brand
High expertise degree in electrical safety-switching-measuring components
Reduced project overall costs
Expert customer support
Worldwide after-sales service

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