Chengdu Guoguang Elecric Co.,Ltd
| Payment Terms | T/T |
| Supply Ability | 200 Pieces per month |
| Delivery Time | within 10 working days |
| Packaging Details | Export packing-layer board box/carton box |
| Rated Voltage | 7.2kV |
| Rated Current | 630A |
| Rated Frequency | 50/60Hz |
| Net Weight | 1.7kg |
| Shelf Life | 20 years |
| Brand Name | GUOGUANG |
| Model Number | TJC20-7.2/630 |
| Place of Origin | Sichuan, China (Mainland) |
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Product Specification
| Payment Terms | T/T | Supply Ability | 200 Pieces per month |
| Delivery Time | within 10 working days | Packaging Details | Export packing-layer board box/carton box |
| Rated Voltage | 7.2kV | Rated Current | 630A |
| Rated Frequency | 50/60Hz | Net Weight | 1.7kg |
| Shelf Life | 20 years | Brand Name | GUOGUANG |
| Model Number | TJC20-7.2/630 | Place of Origin | Sichuan, China (Mainland) |
| High Light | vacuum interrupter tester ，vacuum fault interrupter ，7.2kV Vacuum Interrupter Bottle | ||
Parameter
| No. | MAIN TECHNICAL DATA | Unit | ||
| 1 | Rated Voltage | kV | 7.2 | |
| 2 | Lightning Impulse Withstand Voltage (Peak) | kV | 60 | |
| 3 | Short-time (1min) Power-frequency Withstand Voltage | kV | 32 | |
| 4 | Rated Frequency | Hz | 50/60 | |
| 5 | Rated Current | A | 630 | |
| 6 | Rated Short-time Withstand Current | kA | 6.3 | |
| 7 | Rated duration of Short-circuit | s | 4 | |
| 8 | Rated Breaking Current | A | 5040 | |
| 9 | Limiting Breaking Current | kA | 6.3 | |
| 10 | Rated Making Current | kA | ||
| 11 | Rated Operating Frequency | AC-3 | Operations/h | |
| AC-4 | 300 | |||
| 12 | Short-time Operating Frequency | Operations/h | ||
| 13 | Utilization Category | AC | ||
| 14 | Electrical Endurance | AC-3 | Operations | 2.5*105 |
| AC-4 | 10*104 | |||
| 15 | Mechanical Endurance | Operations | 3.0*104 | |
| 16 | Clearance Between Open Contacts | mm | 4.5~6 | |
| 17 | Contact Closing Force Due to Bellows and Atmosphere | N | 70±10 | |
| 18 | Counter force of Contacts at Full Stroke | N | 120±10 | |
| 19 | Circuit Resistance at Min. Rated Contact Force | μΩ | ≤ 160 | |
| 20 | Contact Limit Erosion | mm | 1.5 | |
| 21 | Mass of Moving Parts | kg | 0.42 | |
| 22 | Internal Gas Pressure | Pa | ≤ 1.33*10-3 | |
| 23 | Shelf Life | Year | 20 | |
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
1958
Total Annual:
55000000-60000000
Employee Number:
800~850
Ecer Certification：
Verified Supplier
Founded in 1958, Guoguang Electric Co., Ltd. Chengdu. is one of the Soviet Union's aids 156 key projects during the 1st Five-Year plan, and also a comprehensive factory dedicated in manufacturing of microwave electron. In October of 2000, the factory is reorganized into a share-holding corporati... Founded in 1958, Guoguang Electric Co., Ltd. Chengdu. is one of the Soviet Union's aids 156 key projects during the 1st Five-Year plan, and also a comprehensive factory dedicated in manufacturing of microwave electron. In October of 2000, the factory is reorganized into a share-holding corporati...
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