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ZW32-40.5
DGG
1. When considering the advantages of vacuum circuit breakers, it is important to note their superior features that set them apart from other types of circuit breakers. These advantages make vacuum circuit breakers a popular choice for various applications in the electrical industry.
2. One key advantage of vacuum circuit breakers is their high reliability. Due to the absence of any medium for arc extinction, vacuum circuit breakers are able to interrupt fault currents quickly and efficiently. This results in minimal downtime and increased operational efficiency.
3. Another advantage of vacuum circuit breakers is their compact design. With no need for bulky insulating materials, vacuum circuit breakers are more space-efficient and can be easily integrated into existing electrical systems.
4. Furthermore, vacuum circuit breakers are known for their long service life and low maintenance requirements. This makes them a cost-effective solution for both new installations and retrofit projects.
5. In addition, vacuum circuit breakers are environmentally friendly, as they do not use any harmful gases in their operation. This makes them a sustainable choice for environmentally conscious organizations.
6. Overall, the advantages of vacuum circuit breakers make them a reliable and efficient choice for a wide range of electrical applications.
1. When considering the advantages of vacuum circuit breakers, it is important to note their superior features that set them apart from other types of circuit breakers. These advantages make vacuum circuit breakers a popular choice for various applications in the electrical industry.
2. One key advantage of vacuum circuit breakers is their high reliability. Due to the absence of any medium for arc extinction, vacuum circuit breakers are able to interrupt fault currents quickly and efficiently. This results in minimal downtime and increased operational efficiency.
3. Another advantage of vacuum circuit breakers is their compact design. With no need for bulky insulating materials, vacuum circuit breakers are more space-efficient and can be easily integrated into existing electrical systems.
4. Furthermore, vacuum circuit breakers are known for their long service life and low maintenance requirements. This makes them a cost-effective solution for both new installations and retrofit projects.
5. In addition, vacuum circuit breakers are environmentally friendly, as they do not use any harmful gases in their operation. This makes them a sustainable choice for environmentally conscious organizations.
6. Overall, the advantages of vacuum circuit breakers make them a reliable and efficient choice for a wide range of electrical applications.
5.1 Circuit Breaker's Main Technical Parameters Table
S/N | Name | Unit | Data Value |
1 | Rated Voltage | kV | 40.5 |
2 | Rated Current | A | 1250/1600 |
3 | Rated Frequency | Hz | 50/60 |
4 | 1 min. Power Frequency Withstand Voltage (wet/dry) | kV | 80 95/118 |
5 | Lightning impulse Withstand Voltage (To earth/Fracture) | kV | 185/215 |
6 | Rated Short-circuit Breaking Current | kA | 25/31.5 |
7 | Rated Short-circuit Closing Current (Peak Value) | kA | 63/80 |
8 | Rated Short-time Withstand Current | kA | 25/31.5 |
9 | Rated Peak value Withstand Current | kA | 63/80 |
10 | Rated Short-time Continuous Time | s | 5 |
11 | Rated Operating Cycle | Times | 0 - 0.3s - C0 - 180s - CO |
12 | Rated Short-circuit Current - Breaking Times | Times | 30 |
13 | Mechanical Life | Times | 10000 |
14 | Mechanism Control Voltage | V | AC/DC 220 AC/DC 110 |
15 | Secondary Circuit 1 min Power Frequency Withstand Volt | kV | 2 |
5.2 Circuit Breaker's Mechanical Properties Adjustment Parameters
S/N | Name | Unit | Data Value |
1 | Contact Spacing | mm | 16 ± 1 |
2 | Contact Overtravel | mm | 3 ± 0.5 |
3 | Opening Speed | m/s | 1.4 - 1.8 |
4 | Closing Speed | m/s | 0.4 - 1.8 |
5 | Contact Closing Bounce Time | ms | ≤ 5 |
6 | Phase Center Distance | mm | 460 ± 2 |
7 | Three-phase Opening and Closing Asynchrony | m/s | ≤ 2 |
8 | Conductive Circuit Resistance of Each Phase | μΩ | < 80 |
9 | Closing Time | ms | ≤ 100 |
10 | Opening Time | ms | ≤ 50 |
11 | Weight | kg | 270 |
5.1 Circuit Breaker's Main Technical Parameters Table
S/N | Name | Unit | Data Value |
1 | Rated Voltage | kV | 40.5 |
2 | Rated Current | A | 1250/1600 |
3 | Rated Frequency | Hz | 50/60 |
4 | 1 min. Power Frequency Withstand Voltage (wet/dry) | kV | 80 95/118 |
5 | Lightning impulse Withstand Voltage (To earth/Fracture) | kV | 185/215 |
6 | Rated Short-circuit Breaking Current | kA | 25/31.5 |
7 | Rated Short-circuit Closing Current (Peak Value) | kA | 63/80 |
8 | Rated Short-time Withstand Current | kA | 25/31.5 |
9 | Rated Peak value Withstand Current | kA | 63/80 |
10 | Rated Short-time Continuous Time | s | 5 |
11 | Rated Operating Cycle | Times | 0 - 0.3s - C0 - 180s - CO |
12 | Rated Short-circuit Current - Breaking Times | Times | 30 |
13 | Mechanical Life | Times | 10000 |
14 | Mechanism Control Voltage | V | AC/DC 220 AC/DC 110 |
15 | Secondary Circuit 1 min Power Frequency Withstand Volt | kV | 2 |
5.2 Circuit Breaker's Mechanical Properties Adjustment Parameters
S/N | Name | Unit | Data Value |
1 | Contact Spacing | mm | 16 ± 1 |
2 | Contact Overtravel | mm | 3 ± 0.5 |
3 | Opening Speed | m/s | 1.4 - 1.8 |
4 | Closing Speed | m/s | 0.4 - 1.8 |
5 | Contact Closing Bounce Time | ms | ≤ 5 |
6 | Phase Center Distance | mm | 460 ± 2 |
7 | Three-phase Opening and Closing Asynchrony | m/s | ≤ 2 |
8 | Conductive Circuit Resistance of Each Phase | μΩ | < 80 |
9 | Closing Time | ms | ≤ 100 |
10 | Opening Time | ms | ≤ 50 |
11 | Weight | kg | 270 |
USAGE: ENVIRONMENTAL CONDITION
1. Altitude: ≤ 3000m, If the altitude is higher than 3000m, the rated insulation level shall be corrected accordingly.
2. Ambient temperature: -30oC ~ +65oC
3. Wind Speed: 34m/s
4. Wind pressure: 700Pa
5. Pollution level: IV level
6. Icing thickness: Not more than 10mm
7. Storage Temperature: -40oC ~ +85oC
USAGE: ENVIRONMENTAL CONDITION
1. Altitude: ≤ 3000m, If the altitude is higher than 3000m, the rated insulation level shall be corrected accordingly.
2. Ambient temperature: -30oC ~ +65oC
3. Wind Speed: 34m/s
4. Wind pressure: 700Pa
5. Pollution level: IV level
6. Icing thickness: Not more than 10mm
7. Storage Temperature: -40oC ~ +85oC