12kV Indoor Earthing Switch High Voltage Grounding Switch for Switchgear
Introducing the JN15-12/31.5 indoor AC high voltage earthing switch by Yueqing Liyond Electric Co., Ltd. This advanced product, an upgrade from the ES1 earthing switch, meets the standards of GB1985 AC HV disconnect switch and earthing switch as well as IEC129. Designed for power systems operating at 3-12kV and three-phase AC 50(60)Hz, it boasts a high short-circuit making capacity to safeguard electrical equipment. Compatible with various high voltage switchgear, it also aids in protecting high-voltage electrical equipment during maintenance.
Ambient Conditions:
- Altitude: ≤1000m
- Ambient temperature: -10°C to +40°C
- Earthquake intensity: ≤8 degree
- Pollution level: II
- Relative humidity: Daily averages 95%, Monthly average ≤90%
Parameters:
| Item |
Unit |
Data |
| Rated voltage |
kV |
12 |
| Rated short-time withstand current |
kA |
31.5 |
| Rated short-circuit duration |
s |
4 |
| Rated short-circuit making current |
kA |
80 |
| Rated peak withstand current |
kA |
80 |
| Rated insulation level |
PF withstand voltage(1 min) |
kV |
Phase to earth |
42 |
| Lightning impulse withstand voltage |
Phase to phase |
75 |
| Mechanical endurance |
time |
2000 |
FAQ
Welcome to Yueqing Liyond Electric Co., Ltd.
Here are some details about our products:
- Prices: Please send us an inquiry for pricing information. We will respond within 24 hours.
- Samples: Sample orders are welcome to test quality. Mixed samples are acceptable.
- Logo Printing: We accept OEM orders with brand authorization provided by you.
- Product Customization: Provide specific drawings or parameters for a customized quote.
- Lead Time: Typically 7-20 days after payment, depending on order quantities.
- Trade Terms: We accept EXW, FOB, CIF, FCA, etc.
- Payment Method: We accept T/T, Western Union, Paypal, etc.
- Quality Inspection: Products undergo QC inspection at each production step and before shipping. Inspection reports provided.
- After Sales Support: Send photos of quality issues for a solution within 3 days.
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