12KV Indoor Permanent Magnetic Vacuum Circuit Breaker High Voltage Circuit Breaker
Application
VS1-12 series permanent magnet type indoor AC high voltage vacuum breaker is used in the system of AC 50Hz, rated voltage 12KV, three phases, to protect and control the network equipment ad power distribution in industrial mining enterprises. It can operate frequently at rated voltage, or break the short circuit current many times
The operating mechanism is assembled on the breaker body integrally then to be fixedly mounted, also installed on push-in mechanism and form a breaker trolley
2. Main Technical Data
| Description | | Unit | Specification |
| Rated voltage | | kV | 12 |
| Rated frequency | | Hz | 50 |
| Rated insulation level | Rated power frequency withstand voltage(1min) | kA | To earth and between phasea:42; Across the isolating distances:48 |
| Rated lighting impulse withstand voltage(peak) | kA | To earth and between phasea:75; Across the isolating distances:85 |
| Rtaed short circuit breaking current | kA | 20 | 25 | 31.5 | 40 |
| Rtaed current | A | 630 | 630 | 1250 1600 | 1250 1600 |
| 1250 | 1250 | 2000 2500 | 2000 2500 |
| Rtaed short time withstand current | kA | 20 | 25 | 31.5 | 40 |
| Rtaed peak withstand current | kA | 50 | 63 | 80 | 100 |
| Rtaed short circuit making current | kA | 50 | 63 | 80 | 100 |
| Rtaed short circuit current duration | s | 4 |
| mechanical enduramce | times | 20000 |
| Frequency withstand voltage secondary circuit | V | 2000 |
Normal service conditions
This type operated with dual steady permanent magnet mechanism, the magnet body built inside the mechanism, provide holding force to remain the breaker in ON, OFF position, compared with common spring mechanism, the number of mechanical parts are reduced, mechanical driving linkage is shortened, all of these can improve the reliability of the breaker, mechanical endurance also will be increased much.
Baikong electric was born and developed well Sichuan Baikong Electrical Technology Co., Ltd is a complete set of high and low voltage power distribution equipment automation equipment, set production, research and development and sales Import and export services and other integrated enterprises, the company is headquartered in Pengzhou Industrial Park, Chengdu City.The company's main products are box-type substation Medium and high voltage power transmission and distribution equipment, low voltage power distribution equipment, fire electrical equipment, intelligent industrial electrical equipment, new energy and energy storage electrical equipment, metering and protection power distribution equipment, high and low voltage complete switchgear, high voltage ring network cabinet, cable branch box,SF6 inflatable cabinet, etc.
