-12 Fast Circuit Breaker_1731035872531.webp)
ZN63A(VS1)-12 Fast Circuit Breaker
2. **Rated current**: Capable of withstanding a continuous current of up to 630A under standard working conditions.
3. **Tripping capacity**: Cuts off fault currents up to 25kA, providing robust protection against short circuits.
4. **Tripping time**: Fast response, cutting off the current within milliseconds to protect equipment.
5. **Operation mode**: Offers flexible operation modes including manual, electric, and pneumatic.
6. **Distance**: Ensures a safe contact separation distance of 210mm after disconnection.
7. **Delivery**: Available for global shipping via air, sea, or express delivery.
8. **Packaging**: Secured in reinforced wooden crates to prevent damage during transit.
Product Introduction：ZN63A(VS1)-12 Fast Circuit Breaker
Shaanxi Huadian Electric Co., Ltd. created the cutting-edge ZN63A(VS1)-12 Fast Circuit Breaker for high-performance and dependable electrical circuit protection. Because it incorporates cutting-edge vacuum technology, this breaker is ideal for medium-voltage applications in power plants, metallurgy, the petrochemical industry, and railways.
The ZN63A(VS1)-12 minimizes downtime and safeguards valuable equipment by ensuring quick response times and safe operation. It also features advanced intelligent control systems that can monitor the circuit status in real time and provide timely warnings and protection measures, further enhancing its reliability and safety in various industrial scenarios.
Product Features and Advantages
The ZN63A(VS1)-12 Fast Circuit Breaker stands out for several key features:
- Rapid response time: This vacuum circuit breaker ensures minimal delay in electrical interruption, providing safety and reducing potential damage to infrastructure.
- High durability: With a robust design, it withstands high operational frequencies and is built for long-term use in challenging environments.
- Low maintenance: Its vacuum interrupter technology ensures minimal wear and tear, decreasing the need for frequent servicing.
- Environmentally friendly: Unlike traditional circuit breakers that use SF6 gas, this breaker uses vacuum technology, reducing environmental impact.
- Compact structure: The ZN63A(VS1)-12 is designed to occupy minimal space, making it a perfect fit for industrial settings with limited room.
Product Structure
The ZN63A(VS1)-12 Fast Circuit Breaker is composed of several high-precision components:
- Vacuum interrupter: The core element responsible for interrupting the current flow, offering fast and efficient operation.
- Insulated enclosure: Ensures safety during operation by isolating high-voltage components.
- Mechanism housing: Protects the mechanical parts that drive the operation of the circuit breaker, ensuring durability and reducing operational noise.
- Arc chute: Designed to extinguish electrical arcs quickly and efficiently, preventing damage and ensuring safety.
Main Technical Parameters
| Parameter | Details |
|---|---|
| Rated voltage | 12kV |
| Rated current | 630-3150A |
| Breaking current | 16kA, 20kA, 25kA |
| Rated frequency | 50Hz |
| Mechanical endurance | 10,000 operations |
| Weight | Approx. 320kg |
|
No. |
Parameter |
unit |
data |
||||||
|
1 |
Rated voltage |
kV |
12 |
||||||
|
2 |
Rated frequency |
Hz |
10 |
||||||
|
3 |
1min power frequency withstand voltage |
kV |
42 |
||||||
|
4 |
Rated lightning impulse voltage |
kV |
75 |
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|
5 |
Rated current |
A |
630 |
1250 |
1600 |
2000 |
2500 |
3150 |
4000* |
|
6 |
Rated short-circuit breaking current Rated thermal stability current (effective value) |
kA |
20 |
||||||
|
25 |
25 |
||||||||
|
31.5 |
31.5 |
31.5 |
31.5 |
31.5 |
|||||
|
40 |
40 |
40 |
40 |
40 |
40 |
||||
|
50 |
|||||||||
|
7 |
Rated short-circuit making current (peak)Rated dynamic stable current (peak |
kA |
50 |
||||||
|
63 |
63 |
||||||||
|
80 |
80 |
80 |
80 |
80 |
|||||
|
100 |
100 |
100 |
100 |
100 |
100 |
||||
|
125 |
|||||||||
|
8 |
Rated short-circuit current breaking frequency |
order |
30,50* |
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|
9 |
Rated thermal stability time |
S |
4 |
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|
10 |
Rated operating sequence |
|
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|
11 |
Mechanical lifespan |
|
30000 |
||||||
|
12 |
Rated breaking current of a single capacitor bank |
A |
630 |
||||||
|
13 |
Rated back to back capacitor bank breaking current |
A |
400 |
||||||
*Note:
1.When the rated current is 4000A,the switchgear needs to be equipped with forced air cooling.
2.When the rated short-circuit breaking current is≤31.5kA,the rated short-circuit breaking frequency is 50 times. When the rated short-circuit breaking current is ≥31.5kA,the rated short-circuit breaking frequency is 30 times.
3.When the rated short-circuit breaking current is≥40kA,the rated operating sequence is:opening-180s-closing opening -180s-closing opening.
4.Numbers 12 and 13 are the rated parameters provided when needed.
Fixed installation size
|
Rated current(A) |
630 |
1250 |
1600 |
|
Rated short-circuit breaking current (kA) |
20,25,31.5 |
25,31.5,40 |
31.5,40 |
|
The primary phase spacing of sealed circuit breaker is 210mm. |
|||
|
Rated current(A) |
630 |
1250 |
1600 |
|
Rated short-circuit breaking current (kA) |
20,25,31.5 |
25,31.5,40 |
31.5,40 |
|
The primary phase spacing of ordinary circuit breaker is 210mm. |
|||
Product Use Conditions
The ZN63A(VS1)-12 Fast Circuit Breaker is suitable for a wide range of operational conditions:
- Ambient temperature: -10°C to +40°C
- Altitude: Up to 1000 meters above sea level
- Humidity: Up to 90% relative humidity (non-condensing)
- Operational environment: Designed for indoor use, free from corrosive or explosive gases and conductive dust.
Product Application Scope
The product is ideal for use in various industries, including:
- Power plants: Ensures stable electrical protection in high-power environments.
- Metallurgy: Protects electrical systems from overloads and short circuits.
- Petrochemical: Ideal for controlling and protecting electrical equipment in hazardous environments.
- Railways: Provides safe operation and reliable performance in transportation infrastructure.
- Urban and rural power grid transformations: Contributes to the modernization and safety of electrical grids.
OEM Services
We at Shaanxi Huadian Electric Co., Ltd. provide comprehensive OEM services that are customized to meet our customers' specific requirements. The product can be customized by our skilled R&D team to meet specific operational requirements, ensuring optimal performance in your specific applications.
FAQ
1. What is the lifespan of the ZN63A(VS1)-12 Fast Circuit Breaker?
The circuit breaker is designed for a mechanical lifespan of up to 10,000 operations, ensuring years of reliable service.
2. Can this circuit breaker be used in outdoor environments?
No, the ZN63A(VS1)-12 is designed for indoor use only.
3. Is the ZN63A(VS1)-12 eco-friendly?
Yes, the vacuum interrupter technology used in this breaker eliminates the need for harmful SF6 gas, making it a more environmentally friendly option.
4. Does the product come with a warranty?
Yes, we offer a standard warranty for all products, with extended options available upon request.
5. Can you customize the ZN63A(VS1)-12 for specific industries?
Absolutely. Our OEM services allow for customization based on your industry’s requirements.
Our Factory and Certificates
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Contact Us
Please contact us at austinyang@hdswitchgear.com/rexwang@hdswitchgear.com/pannie@hdswitchgear.com
to learn more about the ZN63A(VS1)-12 Fast Circuit Breaker and place an order. Our staff is prepared to meet your procurement requirements, ensuring prompt delivery and technical support.
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