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   Voltage signal relay
  type for Unenn DC1500V

Voltage reporting relay type 8539 – 17.07.2009

New product

...for Unenn DC 1500V (Part No. 230145).

The new voltage reporting relay was designed for use in traction current systems up to a nominal voltage of DC 1500V. It meets the requirements concerning insulation properties through compliance with strike and creep distances of 32 mm between the inputs of the measuring and auxiliary voltage and the output contact. A parts test with a test voltage of von DC 9.5kV ensures that this is maintained in series production as well.
The switching point and delay time can be programmed by means of short-stroke keys.

Data sheet