Overview of 35kV 33kV Outdoor VCB High And Medium Voltage Withdrawable Recloser Vacuum Circuit Breakers

35kV 33kV Outdoor VCB High And Medium 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 35kV 33kV Outdoor VCB High And Medium 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 35kV 33kV Outdoor VCB High And Medium Voltage Withdrawable Recloser Vacuum Circuit Breakers

These 35kV and 33kV Outdoor Vacuum Circuit Breakers (VCBs) are crucial for managing medium and high voltage power distribution. They are built tough for outdoor use. They handle demanding conditions reliably. The key voltage ratings are 35kV or 33kV. They manage continuous currents up to 1250A or 2500A. Their short-circuit interrupting capacity typically reaches 25kA or 31.5kA. This ensures they can stop major electrical faults effectively.

Vacuum interrupters inside the breaker provide the actual switching action. This technology offers superior arc quenching. It requires minimal maintenance. It ensures a long operational life. The breaker poles are housed in a robust, weatherproof enclosure. This enclosure usually meets IP54 protection standards. It keeps out dust and water spray. This is vital for outdoor reliability.

A major feature is the withdrawable design. The entire breaker assembly moves on rails. It easily slides out from its housing. This allows safe inspection and maintenance. Technicians access components without touching live parts. The breaker also functions as an automatic recloser. It can open during a fault. It then tries closing again automatically. This quickly restores power after temporary issues. It reduces outage times significantly.

The insulation system is robust. It often uses SF6 gas or solid insulation. This provides excellent dielectric strength. It prevents flashovers. The operating mechanism is spring-charged. It ensures fast, consistent opening and closing. The mechanism is designed for many operations. It works reliably across a wide temperature range. These breakers are essential for substations. They protect feeders. They manage ring main units. They offer dependable switching and protection. Their design prioritizes safety. It minimizes downtime. It delivers performance utilities demand.

Applications of 35kV 33kV Outdoor VCB High And Medium Voltage Withdrawable Recloser Vacuum Circuit Breakers

Power companies use 35kV and 33kV outdoor VCB withdrawable reclosers on overhead power lines. They protect medium voltage networks. These devices are automatic. They automatically open when a fault like a tree branch or lightning strike happens. This stops the electricity flow. They then automatically close again quickly. They try to restore power. This is a self-healing feature. It reduces outage times for customers. This happens without a crew visiting the site.

These reclosers are vital for remote areas. They work well on long rural lines. They are also good for places like mines or wind farms. They are mounted outdoors on poles or small structures. Their vacuum interrupters stop the electricity very fast. This is safer. It causes less wear on the equipment. Vacuum technology needs less maintenance. It is reliable for many years.

The withdrawable part is important. Workers can pull the vacuum circuit breaker part out safely. They do this even when the surrounding equipment is live. This allows for easier maintenance or testing. It also means faster replacement. There is less downtime for the whole system. The design handles tough weather. Rain, wind, dust, and big temperature changes are no problem.

These reclosers integrate with modern grid systems. They communicate fault data. Operators see problems quickly. They can control the devices remotely sometimes. This improves grid management. It helps prevent bigger outages. Their job is to keep the power on. They minimize interruptions. They protect expensive transformers and other equipment downstream. They are a key tool for reliable electricity distribution. Utilities depend on their performance.

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 35kV 33kV Outdoor VCB High And Medium 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 35kV 33kV Outdoor VCB High And Medium Voltage Withdrawable Recloser Vacuum Circuit Breakers

What are 35kV/33kV Outdoor VCB Withdrawable Recloser Vacuum Circuit Breakers?
These are heavy-duty switches. They control high voltage electricity outdoors. They use a vacuum to safely put out electrical arcs. They are built for systems rated at 35,000 volts or 33,000 volts. They combine circuit breaking, automatic reclosing, and a withdrawable design.

Why the withdrawable design?
The withdrawable part is key for safety and speed. Technicians can pull the breaker out completely. This happens while the main switchgear cabinet stays live. It creates a clear physical gap. Maintenance is safer. Testing is easier. Replacing a faulty breaker is much faster. Downtime is reduced.

How do they handle outdoor conditions?
These breakers are built tough. They live outside. Their enclosures resist rain, dust, wind, sun, and big temperature changes. Materials are corrosion-resistant. Seals keep moisture and dirt out. They are designed for reliable operation in harsh environments year-round.

What is the recloser function for?
Reclosing is automatic. Temporary faults happen often on overhead lines. Things like tree branches or lightning cause them. The breaker trips instantly to stop the fault. It waits a short moment. Then it automatically closes again. If the fault is gone, power stays on. If the fault remains, it trips again and locks open. This minimizes outages for customers.

What voltages do they handle?
These breakers are made for specific medium-high voltage levels. They are rated for 33,000 volts (33kV) and 35,000 volts (35kV). They manage the normal operating current. They also interrupt very high fault currents safely. They connect directly to systems using these standard voltages.