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Overhead Line - Epoxy Insulated Fault Interrupter (EFI)

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ENTEC overhead line Epoxy Insulated Fault Interrupter (EFI) for eliminationg faul in the distribution network and optimizing faul areas.

Characteristics

  • - Eliminating a fault in Distribution network and optimizing a fault area
  • - One shot interrupter with load monitoring.
  • - Solid dielectric Interrupter, Environmental friendly product against Green House Effect.
  • - Economic Circuit Breake
  • - No gas pressure switch
  • - No gas release device
  • - No gas refilling valve
  • - Gas free, Oil free
  • - IEC Std, Heavy polluted area application Bushing Safe Operation

Ratings

Item Rating
Environment Condition Ambient Temperature -30°C ~ 40°C
Altitude below 1,000M
Rated voltage [kV] 25.8
Rated current [A] 400
Rated frequency [Hz] 50/60
Rated Short Time Current Instantaneous -30°C ~ 40°C
1Sec. 12.5 kA
10Sec. 3.5 kA
Rated Making Current 32.5 kA(Peak)
Rated Making Current 12.5 kA
Power Frequency Withstand Voltage Dry 60 kV / 1 min
Wet 50 kV / 10 sec
Impulse withstand voltage 1.2×50μs, 150 kV
Min. pickup current Phase OFF, 20 ~ 630 A(Block), 1A Step
Ground OFF, 10 ~ 315 A(By Pass), 1A Step
Insulation Method 0.0 ~ 5.0 Sec (±10%), 0.1 Sec Step
Control Power Battery DC 24 V (12V7.0AH*2EA)
50 times or 24 hours operation at the fully charged battery
External Power AC 220 V / 20 VA, Max.200 VA
Control box internal ambient Test Power frequency withstand voltage 2kV/1min
Impulse withstand voltage IEEE C62.45
Voltage Waveform : 6kV,1.2/50μs
Current Waveform : 3kA,8/20μs
Surge withstand capability EFT/BURST Test: 4 kV(2.5 Hz)
Oscillatory SWC Test: 2.5 kV(1 MHz)

ENTEC - Electric & Electronics

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