-12 Series Vacuum Contactor-fuse Combination Electric Appliance_1731037339260.webp)
VHC(R)-12 Series Vacuum Contactor-fuse Combination Electric Appliance
**Rated Current**: Capable of supporting up to 630A continuous current under normal operating conditions.
**Tripping Capacity**: Efficiently interrupts fault currents of up to 20kA, safeguarding electrical systems.
**Tripping Time**: The circuit breaker trips within milliseconds, providing fast response to electrical faults.
**Operation Mode**: Available in manual and electric operation modes for flexibility in different applications.
**Distance**: Ensures a safe contact separation distance of at least 11mm after disconnection.
**Delivery**: Shipping options include air and sea freight, ensuring timely global delivery.
**Packaging**: Packaged securely in durable wooden crates for safe transport.
Product Introduction:VHC(R)-12 Series Vacuum Contactor-fuse Combination Electric Appliance
For medium and large industrial applications, the VHC(R)-12 Series Vacuum Contactor-fuse Combination Electric Appliance is a dependable, high-performance option. This product, developed by Shaanxi Huadian Electric Co., Ltd., combines a fuse and cutting-edge vacuum contactor technology to guarantee safe, effective, and uninterrupted power management.
It provides enhanced protection for electrical circuits, lowering the likelihood of system failure and downtime, making it an excellent choice for industries such as power plants, metallurgy, railways, and urban construction.
Product Features and Advantages
- High Safety Standards: The VHC(R)-12 series combines the strength of vacuum technology with fuse integration, ensuring excellent protection against short circuits and overcurrent.
- Longevity: Its durable design ensures a long operational lifespan, reducing maintenance costs over time.
- Compact and Efficient: The integration of the vacuum contactor and fuse makes it more compact, allowing for efficient space utilization in control panels.
- High Interruption Capacity: The vacuum interrupter is designed to handle high currents efficiently, making it suitable for demanding industrial environments.
- Easy Maintenance: The modular design ensures quick replacement of components, minimizing downtime.
Product Structure
The precise construction of the VHC(R)-12 Series Vacuum Contactor-fuse Combination Electric Appliance combines a high-quality fuse unit with a vacuum interrupter. While remaining compact, this integration enhances protection capabilities. The product's durability in harsh environments is ensured by the use of corrosion-resistant materials in the external housing.
Key Structural Components
- Vacuum Contactor: Provides fast and efficient switching under both normal and fault conditions.
- Fuse Unit: Acts as a fail-safe by providing additional protection against overcurrents.
- Modular Design: Allows for quick access and replacement of key components, supporting maintenance and minimizing operational disruptions.
Main Technical Parameters
- Rated Voltage: 12kV
- Rated Current: Up to 630A
- Rated Short Circuit Breaking Current: 25kA
- Frequency: 50Hz
- Mechanical Life: 30,000 operations
- Operating Environment Temperature: -10°C to +40°C
| Parameters | Values |
|---|---|
| Rated Voltage (kV) | 12 |
| Rated Current (A) | 630, 1250 |
| Breaking Capacity (kA) | 20, 25, 31.5 |
| Mechanical Endurance | 10,000 operations |
Table 2: Fuse Parameters
| Parameters | Values |
|---|---|
| Rated Voltage (V) | 12 |
| Rated Current (A) | 125 |
| Breaking Capacity (kA) | 20 |
Table 3: Operating Parameters
| Parameters | Values |
|---|---|
| Ambient Temperature Range (°C) | -5 to +40 |
| Altitude (m) | ≤ 2000 |
| Rated Frequency (Hz) | 50/60 |
|
name |
unit |
numerical value |
||
|
Rated voltage |
kV |
7.2 |
12 |
|
|
Rated current |
A |
25~315 |
25~160 |
|
|
Rated breaking current |
kA |
40 |
||
|
Ultimate breaking capacity |
40(100 peak value) |
|||
|
Rated handover current |
kA |
3.15 |
||
|
1 minute rated power frequency withstand voltage |
32 |
42 |
||
|
Lightning impulse withstand voltage |
kV |
60 |
75 |
|
|
Power frequency withstand voltage of control circuit |
2 |
|||
|
Rated operating voltage |
V |
220(AC/DC Ordering optional) |
||
|
Operating voltage range |
759%~110%Ue |
|||
|
Maximum operating current |
A |
<7.5 |
||
|
Rated current of auxiliary contacts |
5 |
|||
|
life |
AC3Electrical AC3 |
one million time |
25 |
|
|
AC4Electrical AC4 |
10 |
|||
|
mechanical |
50 |
|||
|
AC3Rated operating frequency AC3 |
order |
300 |
||
|
Short time operation frequency |
order/h(20s) |
600 |
||
|
Closing time |
Ms |
≤40 |
||
|
Opening time |
ms |
≤35 |
||
|
Average closing speed |
m/s |
≥0.4 |
||
|
Average opening speed |
m/s |
≥0.45 |
||
|
Three phases with different time periods |
ms |
≤5 |
||
|
Contact opening distance |
mm |
≥3.5 |
≥5 |
|
|
Overtravel |
mm |
≥1.5 |
||
Product Use Conditions
The VHC(R)-12 Series Vacuum Contactor-fuse Combination Electric Appliance is designed for both indoor and outdoor applications, capable of functioning in harsh environmental conditions. It operates effectively in areas with high humidity, dust, and temperature variations, making it ideal for challenging industrial setups.
Recommended Operating Conditions:
-
Altitude: Up to 2000 meters
-
Relative Humidity: ≤95% (25°C)
- No explosive, corrosive gases present
- No frequent vibrations or shocks
Product Application Scope and Field
The VHC(R)-12 Series Vacuum Contactor-fuse Combination Electric Appliance is widely used in various industries, including:
- Power Plants: Ensures reliable power distribution in energy-intensive environments.
- Metallurgy: Provides high-current protection in metal processing plants.
- Petrochemicals: Maintains electrical safety in hazardous and sensitive areas.
- Railways: Supports stable power distribution in rail transport systems.
- Urban Construction: Used in smart grids and urban infrastructure projects.
OEM Services
At Shaanxi Huadian Electric Co., Ltd., we offer customizable solutions to meet your specific operational needs. From modifying technical parameters to designing bespoke products, our OEM services ensure that the VHC(R)-12 Series is perfectly suited to your project requirements.
FAQ
1. What is the maximum current rating for the VHC(R)-12 Series?
The VHC(R)-12 Series can handle a current of up to 630A.
2. Can this product be used in high-humidity environments?
Yes, it operates effectively in environments with up to 95% relative humidity.
3. What industries are best suited for this product?
It’s ideal for industries like power generation, metallurgy, petrochemicals, and urban infrastructure.
4. What is the lifespan of this product?
With a mechanical life of over 30,000 operations, the product is designed for long-term use.
5. Does the product comply with international standards?
Yes, it meets ISO9001:2000 certification and other international safety standards.
Our Factory and Certificates
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Contact Us
For more information about the VHC(R)-12 Series Vacuum Contactor-fuse Combination Electric Appliance, or to inquire about OEM services, please reach out to us at:
Email: austinyang@hdswitchgear.com/rexwang@hdswitchgear.com/pannie@hdswitchgear.com
Phone: +86-0917-6735 959
We look forward to assisting you with your power management needs.
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