Modular power connectors insulated to 15 kV for the rail industry

May 17, 2019 //By Julien Happich
power connectors
Stäubli Electrical Connectors has upgraded its MPC range of rail industry modular power connectors to include new generations of straight and right-angled connectors.

The insulators in the new ranges are made of improved plastics that provide increased insulation resistance of up to 15 kV and a lower degree of flammability. They meet European rail applications standard EN 45545-2, including the most stringent HL3 R23 hazard level class for underground and high speed trains. The insulation, combined with a new zinc die-cast alloy used for the side elements, has allowed the units to be more compact, with weight reductions of up to 30% over previous models while remaining 100% compatible. With ratings of 3600V and up to 700A, the units can be used for connecting transformers, traction motors, inverters and batteries as well as power links between carriages. Up to 15 single pole power contacts can be combined, with up to five joined side by side in up to three layers. The linear versions are flat, making them particularly suited for under-floor mounting.
The MPC is vibration and shock tested in accordance with EN 613731 and is corrosion resistant. It is rated at IP69K when mated and provides over 500 mating cycles. A range of compatible insulators is available for various contact diameters, with cable cross-sections from 10 to 240 mm 2.
Stäubli Electrical Connectors - www.staubli.com


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