TE Connectivity’s new surge arrester solution opens valuable train rooftop space

July 10, 2019 TE Connectivity

DARMSTADT, Germany – July 9, 2019 – TE Connectivity (TE), a world leader in connectivity and sensors, is introducing a new surge arrester for the railway sector that can be mounted directly on the transformer, thus taking away a product from the train’s rooftop. The surge arrester is fully tested against shock and vibration, and meets the fire and smoke norms of EN45545-2.

With an ever-growing number of double decker trains, high products on rooftops can create challenges with tunnels and bridges. But it’s not just height; roof space on trains in general comes at a premium as more and more components need to be placed on rooftops, several of them requiring free space around them as well.

Additionally, cleaner rooftops improve aerodynamics, especially for high-speed trains.

The RSTI 68 surge arrester can be placed directly on the transformer but also at the rear side of the high voltage (HV) cable assembly that connects to the transformer. The product fits perfectly in a sealed HV system, giving maximum design freedom in its vicinity. For trains using the new Lopro circuit breaker, this secondary surge arrester can even be placed directly on the circuit breaker, creating even more configuration freedom in the HV system.

The short circuit current is 20kA and the product is tested for 15kV and 25kV AC track systems.

For more information: https://www.te.com/global-en/industries/rail/applications/surge-arresters.html

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