Audited Supplier
Introducing the VS1-12/24/33(ZN63A) model, a cutting-edge indoor high-voltage vacuum circuit breaker with a rating of 12kV and tailored for three-phase AC 50Hz operations. Its design showcases modern engineering ingenuity.
This exceptional breaker is crafted for indoor high-voltage switchgear applications, boasting an advanced spring operating mechanism that supports both manual and electric functionalities, ensuring seamless
integration of protection, control, and circuit-breaking capabilities. It is engineered for diverse environments such as mines, factories, substations, and
switchyards, offering reliable performance for frequent operations and proficient current load monitoring.
Operating Environment
Ensuring robust performance, the VS1 breaker operates efficiently within an ambient temperature range of -10°C to +40°C, with storage capacity accommodating up to -30°C.
It is designed to function effectively at altitudes of ≤1000m.
The breaker thrives in environments where daily average relative humidity does not surpass 95% and a monthly average remains below 90%, with an absolute humidity not exceeding 2.2x10³ MPa; daily water vapor pressure ≤1.8x10³ MPa. During high temperatures, condensation may occur;
The ambient temperature is optimized to not exceed 35°C for optimal performance.
Built to withstand a wide array of environmental challenges, including the absence of fire, explosion hazards, significant pollution, chemical corrosion, or severe vibration environments.
Structural Features
Insulating Components
Engineered with precision, the VS1 vacuum circuit breaker incorporates ceramic or glass vacuum interrupters with durable metal bellows, offering
advanced vacuum contact materials and superior high-pressure formation of sealed insulating enclosures. The contacts exhibit outstanding
dielectric strength, stable pressure, minimal contact resistance, and an elevated current-carrying capacity coupled with
remarkable arc-extinguishing performance, making them highly efficient and reliable.
Framework
The VS1 vacuum circuit breaker distinguishes itself with a modular design, featuring a spring mechanism and vacuum
interrupters securely housed within a tubular insulating framework. This breaker offers versatility in installation, whether direct or within
switchgear cubicles,
making it ideal for electrical distribution systems across factories and substations. The enclosure is engineered to provide exceptional
stability and unrivaled protection against challenging environmental conditions such as severe pollution or high humidity.
Performance
Renowned for its dependable performance, the VS1 vacuum circuit breaker boasts a prolonged mechanical and electrical life, requiring
minimal maintenance, and thrives in tough environments characterized by humidity, dust, and frequent switching
operations, ensuring uninterrupted service when it matters most.
Operating Mechanism
Equipped with a spring-charged operating mechanism, the VS1 vacuum circuit breaker offers flexible operation, either manually or electrically.
This mechanism guarantees that the circuit breaker is always ready to be charged, closed, or
opened with absolute reliability, providing peace of mind for all operational needs.
This highly dependable operating mechanism features fewer mechanical components, ensuring smooth operation,
making the VS1 vacuum circuit breaker the perfect choice for scenarios necessitating frequent operations, delivering high
efficiency with minimal noise and vibrations for enhanced operational comfort.
Working And Operating Principles
Arc Extinguishing Principle
The VS1 vacuum circuit breaker utilizes a vacuum as its insulating medium to efficiently extinguish arcs. Upon contact separation,
the arc is swiftly spread and extinguished by the magnetic field generated within the
vacuum interrupter, which effectively dissipates and condenses the arc plasma. This process
happens rapidly and reliably, significantly reducing contact wear and maintaining stable operation.
Energy Storage
The VS1 vacuum circuit breaker is equipped with an energy storage system utilizing a motor-driven mechanism designed to effortlessly wind
The energy storage springs are the heart of our system. Once these springs are meticulously charged to their full potential, the breaker stands primed and ready for any operation, promising swift action and unwavering performance.
Designed with precision and reliability, this mechanism guarantees steadfast stability and rapid energy release during every switching operation, securing a seamless performance.
Closing Operation
Upon the reception of a closing command, the latent energy within the springs is unleashed with precision, driving the contacts together with remarkable speed.
This mechanism guarantees a swift and dependable closing action, perfectly tailored for a wide array of applications that demand top-tier operational performance.
These applications require high operational performance, and our product delivers impeccably, ensuring reliability and efficiency.
Opening Operation
In opening operations, the breaker leverages the stored energy in its opening springs. Upon receiving an opening command, this energy is released with precision.
The rapid liberation of energy propels the contacts apart with force, effectively interrupting the current flow and extinguishing the arc within the vacuum interrupter.
This dynamic action provides safe and efficient circuit breaking, elevating the safety and effectiveness of our technology.
Our commitment to safety and effectiveness in circuit breaking is unparalleled, ensuring the highest standards of electrical protection.
Maintenance
The VS1 vacuum circuit breaker stands out with its innovative design, engineered for effortless maintenance. It boasts impressive durability and robust performance even in the most demanding conditions.
With regular inspections and minimal maintenance, you can ensure this breaker continues to operate at its peak, reducing downtime and enhancing the reliability of your electrical protection systems.
Our breaker is your partner in maintaining optimal functioning, with minimal efforts required to preserve its top-notch performance and longevity.
Trust in our engineering to provide reliable electrical protection systems with reduced maintenance demands.(Updated2025.3.5day)
