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Product & Service

DC1500V Traction Power Protection device Upgrade for GZ Metro Line 3,5

  • 2017-05-27
  • Traction Power Protection device,DC1500V
  • Download






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The old Protection Device is no longer produced. The form of signal receiving and controlling on the new device changed.




There is no direct plug and play mode to replace the original equipment. Through large amount of the pre technoly analysis, we find out a safe and reliable way.


Carrying out corresponding upgrades on protection device, secondary circuit, secondary room & operation panel sheet l structure.