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

Air-insulated switchgear 8BT2

air-insulated switchgear
air-insulated switchgear
air-insulated switchgear
air-insulated switchgear
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Electrical characteristics
metal-clad, air-insulated, vacuum
power distribution
Primary current

Min.: 0 A

Max.: 31,500 A


Min.: 0 kV

Max.: 36 kV


Worldwide, air-insulated technology has served as a basis for an established, reliable power supply for more than 100 year. 8BT2 air-insulated medium-voltage switchgear has been launched by Siemens on the Turkish market in 2001. Upon reflecting on the global need for a product at 36kV voltage level, manufacturing of 8BT2 has begun in Mexico too and has been adapted to the specific market requirements of the different industries and power supply companies. Saves lives • Internal arc classification: IAC A FLR ≤ 31.5 kA, 1 s • All operation only possible with closed HV-door • logical mechanical interlocking system Increases productivity • maintenance intervals of switchgear > 10 years • use of maintenance free switching devices • cable testing without isolating the busbar Air-insulated switchgear for primary distribution 8BT2 is a metal-enclosed, factory-assembled and type-tested medium-voltage switchgear according to IEC 62271-200 for indoor application up to 36 kV. Loss of service continuity is category LSC 2B and partition class PM. 8BT2 is internal arc classified switchgear according to IAC A FLR up to 31.5 kA for 1 s arc duration. It's mainly used for power distribution. Eco-friendly thanks to air as insulating medium and the use of vacuum technology!

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Medium-voltage systems

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