ZHEJIANG XINKOU POWER EQUIPMENT CO.,LTD
| Supply Ability | 100 Piece/Pieces per Month |
| Packaging Details | EXPORTING PACKING |
| Standard | GBJ, JB,IEC |
| Rated Current | 630A,1250A, 1600A |
| Rated Voltage | 12KV |
| Mechanical life | 10000 |
| Port | NINGBO |
| Place of Origin | Zhejiang, China |
| Brand Name | XK |
| Model Number | ZN63 24KV |
| Certification | ISO9001 / GB / IEC |
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Product Specification
| Supply Ability | 100 Piece/Pieces per Month | Packaging Details | EXPORTING PACKING |
| Standard | GBJ, JB,IEC | Rated Current | 630A,1250A, 1600A |
| Rated Voltage | 12KV | Mechanical life | 10000 |
| Port | NINGBO | Place of Origin | Zhejiang, China |
| Brand Name | XK | Model Number | ZN63 24KV |
| Certification | ISO9001 / GB / IEC | ||
| High Light | outdoor vcb breaker ，indoor vcb panel | ||
CURRENT CHOPPING IN VACUUM CIRCUIT BREAKER
Current chopping in vacuum circuit breaker depends on the vapour pressure and the electron emission properties of the contact material. The chopping level is also influenced by the thermal conductivity–lower the thermal conductivity, lower is the chopping level.
It is possible to reduce the current level at which chopping occurs by selecting a contact material which gives out sufficient metal vapour to allow the current to come to a very low value or zero value, but this is rarely done as it affects the dielectric strength adversely.
| Item | Unit | Data | |||
| Rated voltage | KV | 12 | |||
| Maximum working voltage | KV | 12 | |||
| Rated Current | A | 630-1250 | 630-1600 | 630-1600 | |
| Rated short circuit breaking current | KA | 20 | 25 | 31.5 | |
| Rated short-circuit switching current | KA | 50 | 63 | 80 | |
| Rated peak withstand current | KA | 50 | 63 | 80 | |
| 4S rated short-circuit withstand current | KA | 20 | 25 | 31.5 | |
| Rated insulation level | 1min Power frequency withstand voltage | KV | 42(fracture 48) | ||
| lmpulse withstand voltage | KV | 75(fracture 84) | |||
| Rated short-circuit current breaking times | Times | 50 | |||
| Rated Operating Mechanism Closing Voltage(DC) | V | AC,DC 110,220 | |||
| Rated Operating Mechanism Opening Voltage(DC) | V | AC,DC 110,220 | |||
| Contact opening distance | mm | 11±1 | |||
| Overtravel(the length of contact spring compression) | mm | 3.5±0.5 | |||
| Closing/Opening Time Difference Among Three Phase | ms | ≤2 | |||
| Contact closing bounce time | ms | ≤2 | |||
| Average opening speed | m/s | 0.9-1.2 | |||
| Average closing speed | m/s | 0.5-0.8 | |||
| Tripping Time | Maximum operating voltage | S | ≤0.05 | ||
| Minimum operating voltage | S | ≤0.08 | |||
| Closing time | S | 0.1 | |||
| The main circuit resistance of each phase | 630≤50 | 1250≤45 | 1600≤40 | ||
| Allowed Consumpted thickness of Contacts | mm | 3 | |||
Company Details
Business Type:
Manufacturer
Year Established:
2011
Total Annual:
5M-10M
Employee Number:
>100
Ecer Certification：
Active Member
Zhejiang Xinkou Power Equipment Co.,Ltd, is a high-tech enterprise specializing in developping, design, manufacture, sales, import and export of low voltage and high voltage electrical products. Company main products: indoor and outdoor high voltage vacuum circuit breaker, load break switch... Zhejiang Xinkou Power Equipment Co.,Ltd, is a high-tech enterprise specializing in developping, design, manufacture, sales, import and export of low voltage and high voltage electrical products. Company main products: indoor and outdoor high voltage vacuum circuit breaker, load break switch...
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