VEGM-12GD Three-Station Vacuum Circuit Breaker
**Rated Current:** This circuit breaker supports a maximum continuous current of 630 A, making it suitable for demanding operational environments.
**Tripping Capacity:** With a robust tripping capacity of up to 25 kA, the VEGM-12GD can effectively cut off maximum fault currents, protecting your electrical systems.
**Tripping Time:** The circuit breaker features a fast tripping time of less than 0.1 seconds, ensuring swift response to fault conditions and enhancing system safety.
**Operation Mode:** Available in multiple operation modes including manual and electric, the VEGM-12GD offers flexibility to meet your specific operational requirements.
**Distance:** The minimum contact separation distance after disconnection is 10 mm, ensuring safety and reliability in operation.
**Delivery:** We provide efficient shipping options, including express and standard delivery, tailored to your needs.
**Packaging:** Each VEGM-12GD circuit breaker is securely packaged in a durable outer box to ensure safe transit and delivery.
VEGM-12GD Three-Station Vacuum Circuit Breaker Introduction
The VEGM-12GD Three-Station Vacuum Circuit Breaker is a state-of-the-art solution designed for medium-voltage power systems, offering reliability and safety in a range of industries. Manufactured by Shaanxi Huadian Electric Co., Ltd., a leading provider in the vacuum circuit breaker industry, this product is a key component in ensuring uninterrupted power supply and protecting electrical equipment. Our circuit breaker combines cutting-edge technology with high durability, making it ideal for medium and large companies looking for high-quality electrical solutions.
Product Features and Advantages
The VEGM-12GD Three-Station Vacuum Circuit Breaker is expertly crafted to deliver exceptional performance and reliability in various operational contexts, showcasing a multitude of features that enhance its functionality and user experience.
Advanced Design: This innovative circuit breaker incorporates a three-station configuration, facilitating efficient switching between multiple circuits. This strategic design minimizes operational disruptions, ensuring that your systems maintain peak performance and continuity.
High Reliability: Leveraging cutting-edge vacuum arc-extinguishing technology, the VEGM-12GD guarantees a high degree of reliability. This feature not only extends the service life of the breaker but also significantly reduces maintenance expenses, providing long-term savings and operational efficiency.
Compact and Durable: Despite its formidable performance capabilities, the VEGM-12GD boasts a compact design that enables straightforward installation in confined spaces. This attribute does not compromise its durability; rather, it reinforces its resilience against wear and tear in challenging environments.
Safety Compliance: Meeting all pertinent safety and certification standards, including ISO9001:2000, this product ensures that your operations adhere to strict safety protocols. This compliance underscores its reliability and commitment to protecting both equipment and personnel.
Product Structure
The Vacuum Circuit Breaker consists of the following main components:
- Vacuum Interrupter: A high-performance interrupter that ensures arc extinction and long operational life.
- Insulating System: High-grade insulation materials are used to protect against electrical faults.
- Control Mechanism: A highly responsive control mechanism allows for rapid switching and enhanced operational safety.
- Metal-Enclosed Case: Designed for both indoor and outdoor use, offering protection against environmental elements and ensuring longevity.
Main Technical Parameters
| Parameter | Specification |
|---|---|
| Rated Voltage | 12kV |
| Rated Current | 630A-1250A |
| Short-Circuit Breaking Current | 31.5kA |
| Mechanical Life | 10,000 operations |
| Power Frequency Withstand | 42kV |
|
Name |
Unit |
Data |
||
|
Rated voltage |
kV |
12 |
||
|
(1min)rated short-term power frequency withstand voltage:interphase/fracture |
42/48 |
|||
|
Rated lightning impulse withstand voltage (peak value):interphase/break |
75/85 |
|||
|
Secondary circuit power frequency withstand voltage (1min) |
V |
2000 |
||
|
Rated frequency |
Hz |
50 |
||
|
Rated current |
A |
6301250 |
||
|
Rated short-circuit breaking current |
kA |
20 |
25 |
31.5 |
|
Rated peak withstand current |
kA |
50 |
63 |
80 |
|
Rated short-circuit closing current |
kA |
50 |
63 |
80 |
|
4s rated short-term withstand current |
kA |
20 |
25 |
31.5 |
|
Rated short-term withstand current duration |
S |
4 |
||
|
Rated breaking current of single/back-to-back capacitor bank |
A |
630/400 |
||
|
Rated capacitor bank closing inrush current |
kA |
12.5(The frequency is not more than 1000Hz) |
||
|
Rated short-circuit current breaking times |
time |
30 |
||
|
Mechanical life (isolating switch/circuit breaker/earthing switch) |
3000/10000/3000 |
|||
|
Cumulative allowable wear thickness of moving and stationary contacts |
mm |
3 |
||
|
Rated closing operating voltage |
V |
AC24/48/110/220DC24/48/110/220 |
||
|
Rated opening operation voltage |
||||
|
Rated voltage of energy storage motor |
V |
AC24/48/110/220DC24/48/110/220 |
||
|
Rated power of energy storage motor |
W |
70 |
||
|
Energy storage time |
5 |
≤15 |
||
|
Contact spacing |
mm |
9±1 |
||
|
Overstroke |
3.5±1 |
|||
|
Closing bounce time of contacts |
ms |
≤5 |
||
|
Three-phase opening and closing have different phases |
≤2 |
|||
|
Opening time (rated voltage) |
≤40 |
|||
|
Closing time(rated voltage |
≤60 |
|||
|
Average opening speed (contact just points~6mm) |
m/s |
0.9~1.3 |
||
|
Average closing speed (6mm~just contact) |
0.5~1.1 |
|||
|
Contact opening rebound amplitude |
mm |
≤2 |
||
|
Closing contact pressure of contacts |
N |
2400±200(20-25kA) 3100+200(31.5kA) |
||
|
Rated operation sequence |
O-0.3s-CO-180s-CO |
|||
Outline&Mounting Dimensions
Product Use Conditions
The VEGM-12GD Three-Station Vacuum Circuit Breaker is designed for use under the following conditions:
- Ambient temperature: -25°C to +40°C
- Altitude: ≤ 1000 meters
- Relative humidity: ≤ 90%
- Suitable for indoor and outdoor installations
- Designed to operate in environments free from explosive gases and severe pollution
Product Application Scope and Field
This product is widely used in power distribution systems, substations, and switchgear across industries such as:
- Power Plants: Ensuring safe and efficient power transmission.
- Petrochemical: Protecting electrical systems in high-risk environments.
- Railways and Mining: Enhancing operational safety and continuity.
- Urban and Rural Networks: Providing stable electrical distribution for both urban developments and rural areas.
OEM Service
At Shaanxi Huadian Electric Co., Ltd., we offer OEM services to meet specific customer needs. Whether you require customized design, unique specifications, or branding, our team of experts will collaborate with you to create a tailored solution that fits your requirements.
FAQ
-
What is the lifespan of the VEGM-12GD Three-Station Vacuum Circuit Breaker?
- The circuit breaker is designed for a mechanical life of 10,000 operations, ensuring long-term reliability.
-
Can the breaker be used in extreme weather conditions?
- Yes, the VEGM-12GD can operate in temperatures ranging from -25°C to +40°C and is suitable for outdoor environments.
-
What are the maintenance requirements?
- The VEGM-12GD requires minimal maintenance thanks to its vacuum interrupter technology, which reduces wear and tear.
-
Does the product comply with international standards?
- Yes, the breaker complies with ISO9001:2000 and other relevant international certifications, ensuring safety and quality.
-
Is technical support available after purchase?
- Yes, Shaanxi Huadian offers comprehensive technical support, including installation guidance and troubleshooting.
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Contact Us
For more information on the VEGM-12GD Three-Station Vacuum Circuit Breaker, or to request a quote, please contact us at austinyang@hdswitchgear.com/rexwang@hdswitchgear.com/pannie@hdswitchgear.com.
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