12KV 630A 50HZ Outdoor Vacuum Circuit Breaker High Voltage Circuit Breaker Light Weight
Application
ZW32-12 Series outdoor high voltage vacuum circuit breaker(hereinafter call breaker) is used in the three phase power system of AC 50Hz, voltage 12KV, to switch on/off loading current, overloading current and short circuit currents. It suits for protecting and control distribution system of substation, industrial enterprises, and frequent switching in rural network.
This product has small size, light weight, dew proof, and free of maintenance, it can operate under some severe ambient conditions and on polluted site
Technical specifications
| No. | Description | Unit | Specifications |
| 1 | Rated voltage | KV | 12 |
| 2 | Rated frequency | Hz | 50 |
| 3 | Rated current | A | 630 |
| 4 | Rated short circuit breaking current | KA | 20 |
| 5 | Rated peak withstand current(peak) | KA | 50 |
| 6 | Rated short time withstand current | KA | 20 |
| 7 | Rated short circuit making current(peak) | KA | 50 |
| 8 | Mechanical endurance | times | 10000 |
| 9 | Rated short-circuit current breaking times | times | 30 |
| 10 | Rated power frequency withstand voltage(1min): (Wet), (dry)
To earth and between phases/Across the isolating distances | KV | 42/48 |
| 11 | Rated lighting impulse withstand voltage (peak)
To earth and between phases/Across the isolating distances | KV | 75/85 |
Type and meaning
Complied standard
GB1984 "AC high voltage circuit breakers"
GB11022 "Common specifications for high-voltage switchgear and controlger "
GB311.1-6 "insulation co-ordination for high voltage transmission and distribution equipment."
GB763 "AC high voltage electrical work in the long term fever."
GB2706 "Dynamic and thermal stability test method for AC high voltage electrical "
GB3309 "high voltage switchgear mechanical tests at room temperature."
DL/T593 "Common specifications for high-voltage switchgear and controlger"
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.
