M4 Arc furnace switchgears

Arc furnace switchgears for the operation of LF & EAF furnaces up to transformer load of 240MVA. In standard design or according to customer’s requirement. To our advanced scope of supply belong the transformer room connection, the RC protective circuit and the complete engineering.

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Tech Details

  • Rated voltage up to 40.5kV
  • Rated current up to 3150A
  • Rated current > 3150A in parallel design
  • Short-time current up to 31,5kA
  • Peak withstand current up to 80kA
  • Cubicle width as per requirement
  • Metal enclosed design
  • Compartmented control box
  • Withdrawable or fixed design
  • Withdrawable unit motor or hand operated
  • Switching devices according to customer‘s request (vacuum or SF6)
  • Secondary equipment according to customer‘s requirement
  • Possibility of external control cubicle
  • Easy operation with closed front door
  • Tough interlockings
  • Internal arc test with special switchgears on customer's request

Pictures


wiring diagrams


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