High/Medium Voltage Vacuum Circuit Breaker Factory Price
Product Details
| Customization: | Available |
|---|---|
| Breaking Capacity: | High Voltage Circuit Breakers |
| Operation: | Electric Type |
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Year of Establishment
2014-05-30
Number of Employees
103
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Basic Info.
- Speed
- Normal Type Circuit Breaker
- Arc-extinguishing Medium
- Vacuum
- Installation
- Fixed
- Poles Number
- 3
- Type
- Circuit Breaker
- Function
- Conventional Circuit Breaker, Overcurrent Protection, OVP(Overvoltage Protection)
- Certification
- ISO9001-2000, CE, CCC, ISO45001:2018/ISO14001:2015
- Rated Frequency
- 50Hz
- Mechanical Life
- 20000times
- Transport Package
- Wooden Case
- Trademark
- ROOQ/Neutral/OEM
- Origin
- China
- HS Code
- 8537200000
- Production Capacity
- 2000PCS/Month
Product Description
Main features
1.high reliability
2. It is completely maintenance-free during the whole life
3. It has high mechanical life and electrical life
4. The whole machine is small in size, light in weight and easy to installed in medium voltage overhead power grid, as a sub-, Combined with load current, overload current and short circuit current.
Normal use environment
1. Ambient air temperature:-30°C ~+60°C;
2. Altitude: ≤ 3000 m;
3. The wind speed shall not exceed 34m/s;
4. Vibration or ground motion from the outside of switching equipment and control equipment can be ignored;
5. Pollution grade: Grade IV;
6. Storage temperature: -40
Advantages
Fields of application
1.high reliability
2. It is completely maintenance-free during the whole life
3. It has high mechanical life and electrical life
4. The whole machine is small in size, light in weight and easy to installed in medium voltage overhead power grid, as a sub-, Combined with load current, overload current and short circuit current.
Normal use environment
1. Ambient air temperature:-30°C ~+60°C;
2. Altitude: ≤ 3000 m;
3. The wind speed shall not exceed 34m/s;
4. Vibration or ground motion from the outside of switching equipment and control equipment can be ignored;
5. Pollution grade: Grade IV;
6. Storage temperature: -40
Advantages
1 - with reliable interlock functions, suitable for frequent operation
2 - low noise and energy consumed
3 - simple and robust construction.
4 - high operating reliability
4 - high operating reliability
Fields of application
1 - Transformers and distribution substations
2 - Generator control and protection
2 - Generator control and protection
3 - Capacitor bank control and protection, etc
mechanical parameter
mechanical parameter
| Rated voltage | 12KV | Over-current trip rated current | 5A | ||
| Rated current | 630/1000A | Mechanical life | 10000times | ||
| Rated frequency | 50HZ or 60HZ | Cumulative thickness of allowable wear of dynamic and static contacts | 3mm | ||
| Rated short circuit breaking current | 20/25KA | Rated current of overcurrent release | 5A | ||
| Rated short-circuit closing current(peak value) | 50/63KA | current ratio of current transformer | 200/5 400/5 600/5 |
||
| Rated short-term withstand current | 20/25KA | Contact spacing | 9mm | ||
| Rated peak withstand current | 50/63KA | Contact stroke of contact | 2.5±0.5mm | ||
| Rated short-circuit breaking current breaking times | 30times | Average opening speed | 1.2±0.2m/s | ||
| Rated short circuit duration | 4s | Average closing speed | 0.6±0.2m/s | ||
| Rated operating voltage | AC/DC220V | 1 min power frequency withstand voltage of secondary circuit | 2000V | ||
| Rated operating sequence | point-0.3-cimbined points-180s-combined points | Rated current cut-off times | 10000times | ||
| Closing bounce time | ≤2ms | The sated pressure of SF6 gas | 0MPa | ||
| Rated insulation level | 1 min power frequency withstand voltage | Dry type | 42/48 | Weigh | 140kg |
| Wet type | 34 | ||||
| Secondary circuit to ground | 2 | ||||
| Lightning impulse withstand voltage (peak value) | 75/85 | ||||
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