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11kV Drop Out Surge Arrester And Expulsion Fuse Cutout

11kV Drop Out Surge Arrester And Expulsion Fuse Cutout

The 11kV combined unit seamlessly integrates the functionality of a standard cut-out fuse and a distribution class high voltage surge arrester into a single device. This combined Drop Out Surge Arrester and expulsion fuse cutout ensures that your electrical network remains secure and automatically isolates affected phases during system surges.

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11KV Drop Out Surge Arrester Product Overview:

In the event of a diverter failure, the ground lead disconnector (GLD) operates to ensure network safety through a highly efficient sequential isolation process:

  • Automatic Disconnection: The failed Drop Out Surge Arrester drops out, disconnecting itself automatically from the active network.
  • Phase Isolation: Simultaneously, this action forces the fuse expulsion pole mounted 11kv carrier to drop out, effectively isolating the affected phase.
  • Interlocking Safety: A built-in interlocking mechanism ensures that it is not possible to close the fuse carrier unless the arrester is safely in the closed position.

Key Features of the Drop Out Surge Arrester:

Integrating this Drop Out Surge Arrester into your electrical infrastructure offers excellent stability and efficiency backed by reliable manufacturing standards:

  • Operational Benefits: Improves overall system stability, ensures high security, offers convenient maintenance, and reduces costs.
  • Certified Quality: Manufactured in ISO 9001, ISO 14001, and ISO 18001 certified facilities backed by a full set quality control plan.
  • B2B Flexibility: Minimum Order Quantity (MOQ) is 100 pieces. Free samples are provided (freight excluded).
  • Tender & EPC Support: Full sets of documents are ready for tender submissions. Strong design teams are available to supply LV and MV EPC material in lots.
  • Customization: OEM services are readily available for custom requirements.

Drop Out Surge Arrester Applications:

The combined Drop Out Surge Arrester is built specifically for reliable high-voltage distribution network protection.

  • Automatic Phase Isolation: Protects the network by automatically isolating affected phases during surge diverter failures.
  • Distribution Networks: Functions as a reliable 11kv surge arrester for power networks requiring an integrated, fail-safe interlocking protective mechanism.

Drop Out Surge Arrester 11 KV Technical Specifications:

Review the exact electrical parameters below to ensure this Drop Out Surge Arrester meets your system requirements.

General System Parameters:

Technical Parameter Specification Details
System Highest Voltage & Frequency 12kV, 50Hz
Creepage Distance 372 mm
Lightning Impulse Withstand Voltage 95 kV
Power Frequency Withstand Voltage (Wet) 38 kV

Surge Arrester Parameters:

Technical Parameter Specification Details
Maximum System Voltage 12 kV
Rated Voltage 11 kV
Partial Discharge Performance < 10
Power Frequency Withstand Voltage (1 min, Wet) 46 kV
Max Residual Voltage (Steep, Lightning, Switching) 31.9 kV

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drop out surge arrester DIMENSIONS