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JN15 series indoor high voltage grounding switch is a kind of grounding switch with international advanced level produced by our company with advanced technology. The structure is assembled and its performance meets the national standard of GB1985-2014 "AC high voltage disconnector and grounding switch". It is suitable for indoor 3.6-12 kV three-phase AC 50 (60) HZ power system; it has short-circuit closing ability to protect other electrical equipment in switchgear from damage. It can be used with all kinds of high-voltage switchgear as grounding protection during overhaul of high-voltage electrical equipment.
Technical Information
Technical Specification |
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|
|
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| |
Rated voltage |
| kV |
| 12 | 24 | 40.5 |
Rated short-term withstand voltage | kA |
|
| 31.5 |
| |
Rated short circuit duration | S |
|
| 4 |
| |
Rated short circuit closing current | kA |
|
| 80 |
| |
Rated peak tolerable current | kA |
|
| 80 |
| |
| Rated insulation level | Rated short-term power frequency withstand voltage | kV | Relatively and alternately | 42 | 65 | 95 |
Rated lightning impulse withstand voltage | 75 | 125 | 185 | |||
Phase spacing |
|
| 150,210,275mm | 275mm | 300,350,400mm | |
Mechanical life |
| Times |
|
| 3000 | |
Overall and installation dimensions
National Advisory Hotline
+86 577 61666 016
Mailbox：wzxikai@wzxikai.com
Tel：+86 577 61666 016
Fax：+86 577 61666 010
Add：No.271, Weishiqi Road, Yueqing Economic Development Insuatrial Zone, Yueqing, Zhejiang.
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