Chengdu Guoguang Elecric Co.,Ltd
Chengdu Guoguang Elecric Co.,Ltd Hardworking, Pioneering, Vigorous and Innovative
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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 | |
