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Alsthom/GEC Alstom/GE MMLG01B1AA0001C Protection Relay

  • Warranty: 365 days
  • Quality: Original module
  • Condition: New / Used
  • Warehouse: Spot
  • Delivery time: Shipped in 3 days after payment
  • Mailbox:panda@plcmo.com

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The Alsthom/GEC Alstom/GE MMLG01B1AA0001C is a reliable protection relay test block designed for power system protection panels in substations and power generation facilities. It acts as a secure interface between main circuit wiring and protective devices, enabling safe isolation, signal injection and routine testing without disconnecting primary field wiring. Built with robust mechanical structures, it prevents dangerous open‑circuit conditions for current transformer circuits during maintenance operations. This unit supports commissioning, fault diagnosis and periodic calibration for various protection schemes. It delivers stable performance under harsh industrial conditions and remains a trusted component for legacy power protection systems worldwide.


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