Chengdu Guoguang Elecric Co.,Ltd
Chengdu Guoguang Elecric Co.,Ltd Hardworking, Pioneering, Vigorous and Innovative
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About Us :
The main business scope of the company is: Research and production for all kinds of microwave electron vacuum parts, solid microwave devices and microwave encapsulation, vacuum contactor and breaker, vacuum chamber, switch gear, aircraft kitchen appliance(including train meal-trolley) , exhaust carts, all kinds of non-standard machinery and electrical equipment, vacuum gauge, vacuum measurement instruments, appliance of microwave energy, microwave source, medical laser appliances, etc. The products have been sold as far as overseas market and achieved great contributions for the national defense and scientific research work.
Parameter
| No. | MAIN TECHNICAL DATA | Unit | ||
| 1 | Rated Voltage | kV | 1.14 | |
| 2 | Lightning Impulse Withstand Voltage (Peak) | kV | ||
| 3 | Short-time (1min) Power-frequency Withstand Voltage | kV | 5 | |
| 4 | Rated Frequency | Hz | 50/60 | |
| 5 | Rated Current | A | 250 | |
| 6 | Rated Short-time Withstand Current | kA | 3.5 | |
| 7 | Rated duration of Short-circuit | s | 1 | |
| 8 | Rated Breaking Current | A | 2500 | |
| 9 | Limiting Breaking Current | kA | 4.5 | |
| 10 | Rated Making Current | kA | 3 | |
| 11 | Rated Operating Frequency | AC-3 | Operations/h | |
| AC-4 | ||||
| 12 | Short-time Operating Frequency | Operations/h | 3000 | |
| 13 | Utilization Category | AC | ||
| 14 | Electrical Endurance | AC-3 | Operations | 5*106 |
| AC-4 | 8*104 | |||
| 15 | Mechanical Endurance | Operations | 5*106 | |
| 16 | Clearance Between Open Contacts | mm | 1.2~1.5 | |
| 17 | Contact Closing Force Due to Bellows and Atmosphere | N | 40~68 | |
| 18 | Counter force of Contacts at Full Stroke | N | 50~78 | |
| 19 | Circuit Resistance at Min. Rated Contact Force | μΩ | ||
| 20 | Contact Limit Erosion | mm | 1 | |
| 21 | Mass of Moving Parts | kg | 0.23 | |
| 22 | Internal Gas Pressure | Pa | ≤1.33*10-3 | |
| 23 | Shelf Life | Year | 10 | |
