31.5kA Medium Voltage Disconnect Switch 10KV High Voltage Knife Switch
Price:
$100-$200
MOQ:
1 pc
Delivery Time:
10 days
Brand:
MacweyTEK
Product Description
JN15-12 Medium-voltage Earthing Switch 10Kv Power High-voltage AC Grounding Knife Switch with 31.5kA Short-circuit Making Capacity
The JN15-12/31.5 series indoor high-voltage earthing switch is an advanced grounding switch with international-level performance, designed for reliable operation in medium-voltage power systems.
Main Applications
- Designed for indoor three-phase AC 50(60)Hz power systems from 3 to 12kV
- Provides short-circuit making capacity to protect electrical equipment in switchgear
- Compatible with various high-voltage switchgears
- Serves as a ground protection device during maintenance of high-voltage electrical equipment
- Complies with GB1985-2004 and IEC62271-102:2002 standards
Service Conditions
- Ambient temperature range: -20℃ to +40℃
- Maximum altitude: 1,000m (special orders available for higher altitudes)
- Relative humidity: daily average ≤95%, monthly average ≤90%
- Seismic intensity: ≤Ms8
- Pollution class: Class II
Main Technical 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 |
|
|||||||
| Mechanical life | times | 2000 | ||||||
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Get in Touch
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Company
Ningbo Macwey Industrial Technology Co.,Ltd
Location
No.218, Weier Road, Chongshou Industrial Park, Cixi City (Ningbo), China
Contact Person
Alec Sung