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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

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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Your Questions, Answered

What is the lead time for custom and standard orders?

For standard models, lead time is typically 15-30 days. For custom solutions, prototype development takes 4-6 weeks, and bulk production takes 8-12 weeks.

What information do I need to provide to get a quote?

Please provide Rated Voltage, Rated Current, Short-Circuit Breaking Current, Mechanical Life Requirements, Operating Environment, and any special dimensions or interface needs.

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Absolutely. We have extensive ODM/OEM experience. We can manufacture products based on your technical drawings and specifications.

How do you ensure product quality?

We have a full set of in-house testing equipment, including mechanical operation testers, impulse voltage testers, and micro-resistance testers. Every unit is tested before shipment.

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