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VSG indoor high voltage vacuum circuit breaker is a three-phase AC 50/60Hz, rated voltage of 12kV to 40.5kV indoor switchgear, control and protection for industrial and mining enterprises, power plants and substations, electrical facilities, and for frequent operation place. Adopting Spring operating mechanism and circuit breaker integrated, design can be used as a fixed installation unit can also be equipped with special advance mechanism, the composition of handcart unit used. Some of the main circuit can use the whole solid seal post, in order to achieve smaller circuit breakers, high reliability, maintenance-free, can be equipped with KYN28A and other handcart switch cabinet in the home can also be used with fixed XGN switchgear.
Technical Information
Technical Specification |
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Rated voltage | kV |
| 12 |
| 24 |
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| 40.5 | |||
Rated Short circuit breaking capacity 4sec. | kA | 20/25 | 31.5 | 40 | 20/25 |
| 31.5 |
| 25 |
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| 31.5 |
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| 630 | 1250 |
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| 630 |
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| 1250 |
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| 1250 |
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Rated Current | A |
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| 1600 |
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| 630 | 1600 |
| 630 |
| 1600 |
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| 1600 |
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| 2000 |
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| 1250 |
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| 2000 |
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| 2000 |
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| 1250 |
| 2500 | 1250 |
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| 2000 | |
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| 2500 |
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| 2500 |
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| 3150 |
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| 3150 |
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| 3150 |
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| 4000 |
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| 4000 |
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| 4000 |
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Rated power frequency | Hz |
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| 50/60 |
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Power frequency withstand voltage 50Hz 1 min,: | kV |
| 45 |
| 65 |
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| 95 | ||
Impulse withstand voltage 1.2/50μ s: | kV |
| 75 |
| 125 |
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| 185 | ||
Peak withstand current | kA Peak. | 63 | 80 | 100 | 50/63 |
| 80 |
| 63 |
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| 80 |
Making Capacity | kA | 63 | 80 | 100 | 50/63 |
| 80 |
| 63 |
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| 80 |
Operation sequence | times/h |
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| 0-0.3s-CO-180s-CO |
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Mechanism Endurance | cycles |
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| 10000 |
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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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