Indoor High Voltage Earthing Switch
This indoor AC high voltage electric earthing switch is designed for grounding protection in electrical power transmission and distribution systems. It provides a reliable method for safely grounding high-voltage equipment, protecting personnel and equipment during maintenance or fault conditions.
Technical Specifications
Product Overview
JN15 Series Earthing Switch
The JN15 series indoor high voltage earthing switch is engineered with an advanced, compact design to ensure reliable technical performance in high-voltage power systems. Designed for 12/24kV three-phase AC 50/60Hz environments, this switch provides essential short-circuit closing capabilities to protect electrical equipment. It serves as a critical safety component for grounding protection during the maintenance of high-voltage switchgear.
Electrical Ratings
- Rated Voltage
- 12 kV
- Rated Short-Time Withstand Current
- 31.5 kA
- Rated Short-Circuit Making Current
- 80 kA
- Rated Peak Withstand Current
- 80 kA
- Rated Short-Circuit Duration
- 4 S
Insulation and Durability
Mechanical Life
2,000 times
Operations
Insulation Levels
| Parameter | Value |
|---|---|
| Working withstand voltage (1min) | 6.5 kV |
| Lightning impulse withstand voltage | 125 kV |
Operating Conditions
Environmental Requirements
- Altitude: ≤ 1000 meters
- Ambient Temperature: -25°C to +40°C
- Earthquake Intensity: ≤ 8 degrees
- Relative Humidity: Daily average ≤ 95%, Monthly average ≤ 90%
- Pollution Level: Level II
Compliance
- Standards Compliance
- GB1985-2004IEC 62271-102:2002
