1. Electricity - Electronics
  2. Switch and Relay
  3. Secondary switchgear
  4. Siemens Medium-voltage – Power distribution

Secondary switchgear 8DJH 12 - blue

secondary switchgear
secondary switchgear
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Electrical characteristics
compact, gas-insulated, vacuum
Primary current

Min.: 0 A

630 A

Max.: 20,000 A


Min.: 0 kV

Max.: 12 kV


Voltage up to 12 kV Short-time withstand current up to 20 kA Rated current up to 630 A Ring-main-unit 8DJH 12 - blue GIS The 8DJH product family has been convincing customers for more than ten years worldwide. The 8DJH 12 extends this portfolio. It is a switchgear using Clean Air, an insulating gas exclusively consisting of natural elements of the ambient air. The new 8DJH 12 belongs to the “blue”-portfolio of Siemens AG. Every GIS of this portfolio is equipped with Clean Air and the proven Siemens vacuum technology, offering all advantages of a gas-insulated switchgear at the same time. Description of 8DJH 12 - Ring-main-unit up to 12 kV, 20 kA and 630 A - Gas-insulated - Hermetically enclosed - Type-tested switchgear according to IEC 62271-1/-100/-102/-103/-200 Clean Air - F-gas-free - Global warming potential < 1 - Highly stable - Non-toxic - Non-flammable - For every application temperature



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