Overview of Outdoor VCB 35kV High Voltage Withdrawable Recloser Vacuum Circuit Breakers

Outdoor VCB 35kV High Voltage Withdrawable Recloser Vacuum Circuit Breakers is a type of circuit breaker where the arc quenching medium is a high vacuum. Unlike older breakers that used air, oil, or SF6 gas to extinguish the electrical arc, a VCB utilizes the superior dielectric properties of a vacuum to rapidly extinguish the arc when the contacts separate, thereby interrupting the current flow and protecting the electrical system.

Characteristics of Outdoor VCB 35kV High Voltage Withdrawable Recloser Vacuum Circuit Breakers

Strong arc extinguishing ability: using vacuum medium to quickly extinguish the arc, with high breaking ability.

Safe and environmentally friendly: No fire or explosion risks, no greenhouse gas emissions.

Easy maintenance: Vacuum bubbles are maintenance free, with a long overall maintenance cycle and low workload.

Long lifespan: Both mechanical and electrical lifespan are very long.

Small size: Compact structure, saving space.”

Specifications of Outdoor VCB 35kV High Voltage Withdrawable Recloser Vacuum Circuit Breakers

This outdoor VCB handles 35kV power systems. It’s made for high voltage distribution networks. The rated voltage is 35 kilovolts. The standard frequency is 50Hz or 60Hz. It manages large fault currents reliably. The interrupting capacity reaches 25kA. This breaker stops faults fast. It protects equipment downstream.

Vacuum interrupters are the core technology. They stop electrical arcs inside a vacuum. This method is very effective. It needs less maintenance. The dielectric strength recovers quickly after interruption. Contacts separate fast. This ensures safe current breaking. The vacuum bottle is sealed for life.

The enclosure is tough. It withstands harsh weather. It’s built from galvanized steel or stainless steel. This prevents rust. The design is dust-proof and water-resistant. It meets IP54 or higher standards. The breaker mounts on a sturdy structure. This structure fits utility poles or ground pads.

This is a withdrawable type recloser. Operators control it manually or remotely. The motorized mechanism drives operations. It opens and closes the breaker reliably. Local control uses a push-button panel. Remote control uses SCADA systems or radio. Status signals are provided clearly. Operators know the breaker position.

Protection features are integrated. It detects overcurrent events. Settings are adjustable for different needs. It counts fault operations. The recloser sequences are programmable. Common sequences include one fast trip and two delayed trips. It locks out after the final trip. This prevents damage during persistent faults.

It handles extreme temperatures. The operating range is -40°C to +55°C. Humidity levels up to 95% are okay. It resists salt fog corrosion. Testing follows strict international standards. Tests include dielectric, temperature rise, and mechanical endurance. This ensures long service life in demanding locations. Routine maintenance checks are straightforward.

Applications of Outdoor VCB 35kV High Voltage Withdrawable Recloser Vacuum Circuit Breakers

Outdoor VCB 35kV high voltage withdrawable recloser vacuum circuit breakers protect electrical power systems. They manage high voltage circuits safely outdoors. These devices automatically cut off power during faults. They try restoring power quickly after a temporary problem. This reduces outage times significantly. They are vital for modern power distribution networks.

Utilities install them in substations. They guard key distribution lines effectively. These reclosers isolate faults on feeders. They prevent small problems from causing widespread blackouts. This keeps power flowing reliably to homes and businesses. Their automatic operation is crucial here.

They work well on long overhead lines. These lines cross rural or remote areas. Faults happen often on these exposed lines. Lightning strikes or falling branches cause issues. The recloser cuts power instantly during a fault. It checks if the fault clears. Power returns automatically if the fault is temporary. This saves utility crews long trips for minor problems.

Industrial facilities depend on them too. Factories need stable power for heavy machinery. Mines and processing plants use them extensively. They protect expensive equipment from damage. They minimize costly production stoppages. Their robust design handles harsh industrial environments.

Renewable energy sites use these reclosers. Solar farms and wind parks connect to the grid. They need reliable protection at the connection point. These circuit breakers provide that essential security. They manage the unique challenges of intermittent generation. They ensure safe operation for the entire system.

Their withdrawable design is a major advantage. Maintenance crews can disconnect them easily. They remove the breaker without touching live parts. This keeps workers safe during servicing. It also speeds up repairs significantly. Downtime for the power line is minimized. This feature is highly valued by operators.

Company Profile

PDDN Photoelectron Technology Co., Ltd. is one of the leading enterprises in power electronics technology and power products, which is fully involved in developing solar inverters， transformers, voltage regulators, distribution cabinets, thyristors， modules， diodes， heaters, and other electronic devices or semiconductors. We will be committed to providing users with high-quality, efficient products and considerate service.

It accepts payment via Credit Card, T/T, West Union, and Paypal. PDDN will ship the goods to customers overseas through FedEx, DHL, by sea, or by air. If you want high-quality Outdoor VCB 35kV High Voltage Withdrawable Recloser Vacuum Circuit Breakers, please send us inquiries; we will be here to help you.

Payment Methods

L/C, T/T, Western Union, Paypal, Credit Card etc.

Shipment

By sea, by air, by express, as customers request.

Storage Conditions

1) Store in a dry environment at room temperature.

2) Avoid damp and high temperature.

3) Use immediately after opening the inner packing bag.

5 FAQs of Outdoor VCB 35kV High Voltage Withdrawable Recloser Vacuum Circuit Breakers

What does this Outdoor VCB Recloser actually do?
It controls and protects high voltage power lines. It switches circuits on or off manually. It automatically cuts power during dangerous faults like short circuits. This prevents damage to equipment down the line. It helps keep the electricity network stable.

Why use vacuum inside the breaker?
Vacuum provides the best insulation for stopping the electrical arc. When the contacts open under load, a powerful arc forms. Vacuum extinguishes this arc extremely fast and reliably. This means less wear on the contacts. It also allows many switching operations without frequent maintenance. Vacuum is very effective for high voltage applications.

What’s special about the “Recloser” part?
It tries to restore power automatically after a temporary fault. Suppose a tree branch hits a line causing a short. The recloser trips immediately to cut power. It waits a brief moment. Then it automatically closes again. If the fault is gone, power stays on. If the fault remains, it trips again. This tries to clear momentary problems without a long outage. It saves crews trips for minor issues.

What does “Withdrawable” mean for this breaker?
The entire breaker unit slides out of its housing. Technicians can remove it easily. They do this without disconnecting the main power cables. This is crucial for safety and speed. Maintenance or testing happens away from the live high voltage parts. Replacement is also much faster. Downtime for the circuit is minimized.

Where are these breakers typically installed?
You find them outdoors on utility poles or ground-mounted pads. They protect distribution networks carrying power from substations. They are vital for managing feeders in towns or rural areas. They handle faults on overhead lines feeding neighborhoods or industrial sites. They are key points for controlling sections of the grid.