Вакуумный выключатель Крытый Высокое напряжение HVD11 1.14KV 630A VCB от Hubei JUCRO Electric
- цена
- US $517-562
- модель
- HVD11-1.14/630
- Минимальный заказ
- 1 piece
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Описание продуктов
Vacuum Circuit Breaker Indoor High Voltage HVD11 1.14KV 630A VCB from Hubei JUCRO Electric
The HVD11-1.14 vacuum circuit breaker is mainly used in 1140V or 660V three-stage electrical distribution system. It is used for power distribution, circuit protection and power equipment. It is also popular in railway, mine, electricity and so on. Product structure vertical design. Vacuum chamber, electromagnet and locked device up and down structure. Adjustment and maintenance are easy. It has high breaking ability, high reliability and long working life. It is located in and out of the Bus Bar at the rear of the switch. And the tire bar connects to the type, can be installed as explosion-proof feed switch easily. This circuit breaker must be used with the electronic tripper.
Detailed Images
The main technical parameter
num. | Product | parameter |
one | Rated voltage | 1140 V AC |
2 | Rated current | 630A |
3 | Convention thermal current | 630A |
four | Rated Short Circuit Current | 12.5ka (1140 V, COS? = 0.3) |
5 | Rated short circuit time | 16 times (closing-opening 10 times, opening 6 times) |
6 | Rated frequency | 50 hz |
7 |
Electric life |
≥3000 times AC-2 |
8 | Mechanical life | ≥10000 times AC-2 |
9 |
Inherent closures |
≤100ms |
10 | Inherent work time | ≤30ms |
eleven | Three phase unsynchronized time | <1.5 ms |
12 | Electromagnetic power over time | 120 ~ 200ms |
13 | Single-phase circuit resistance | ≤100μΩ |
fourteen | Opening distance | 3.0 ~ 4.0 mm |
fifteen | Over travel distance | 1.8 ~ 2.2 mm |
16 | Auxiliary contacts | 3NO + 3NC |
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