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  • 24kV Indoor AC High Voltage Earthing Isolation Switch JN15-24/31.5 Three Poles Sensor Insulator Disconnect Switch High Current 31.5kA

24kV Indoor AC High Voltage Earthing Isolation Switch JN15-24/31.5 Three Poles Sensor Insulator Disconnect Switch High Current 31.5kA

The IN15-24/31.5 series indoor earthing switch is a newly designed and improved product based on the JN15 model (with unchanged installation dimensions). It is suitable for power systems with 20-24kV, three-phase AC at 50/60Hz. As an earthing protection device, it can be applied in various types of high-voltage switchgear. The product complies with GB1985-2004 and IEC129 standards.

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Product definition

Working Condition

  • Ambient temperature: -10°C to +40°C
  • Altitude: ≤1000m
  • Relative humidity: Daily average ≤ 95%, monthly average ≤ 90%
  • Earthquake intensity: ≤ 8 degrees
  • Pollution degree: II

Installation drawing and hole location diagram

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