Outdoor AC High Voltage Vacuum Circuit Breaker Supplier

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Outdoor AC High Voltage Vacuum Circuit Breaker

Outdoor AC High Voltage Vacuum Circuit Breaker

The Outdoor AC High Voltage Vacuum Circuit Breaker is designed for use in high-voltage power transmission and distribution systems. It is an essential component in protecting electrical circuits from overloads and faults. This circuit breaker uses vacuum as the insulating medium to extinguish electrical arcs, offering efficient and reliable operation in outdoor environments. With its durable construction, the vacuum circuit breaker is ideally suited for substations, power grids, and other outdoor installations.

Advantages
Reliable Arc Extinguishing
Vacuum interrupters offer superior arc-quenching capabilities, ensuring fast and effective interruption of high-voltage faults.The vacuum technology reduces the risk of arc-related damage to the system, extending the lifespan of electrical components.

Low Maintenance
The vacuum circuit breaker has a sealed design that prevents contamination, minimizing wear and reducing maintenance needs.With fewer moving parts and no gas requirements, it requires less attention, resulting in cost savings over time.

Environmental Friendliness
Unlike other circuit breakers that use gas or oil, the vacuum circuit breaker does not require any harmful substances.It provides an eco-friendly solution for high-voltage circuit protection while ensuring effective performance.

Features
High Voltage Capability
Designed for use in high-voltage systems, it can operate across a wide voltage range, making it suitable for various power transmission networks.Its high-voltage capacity ensures protection in industrial and commercial setups where large power loads are common.

Weather-Resistant Design
The circuit breaker is specifically engineered for outdoor applications, capable of withstanding challenging environmental conditions like rain, snow, and extreme temperatures.It features robust housing that protects the internal components from external weather influences.

Compact and Efficient
The circuit breaker’s compact design allows for easy installation, even in space-limited environments.Despite its small size, it delivers high efficiency and reliable operation in various conditions.

Altitude: Up to 2000 meters Ambient Air Temperature: -45°C to +70°C; Daily Temperature Difference: 30°C
Wind Speed: ≤35m/s Suitable for places without flammable, explosive, chemically corrosive, and severe vibration hazards.

Gb1984 "AC High Voltage Vacuum Circuit Breaker"
Gb11022 "General Technical Conditions for High Voltage Switchgear"
GB311.1 "Insulation Coordination for High Voltage Transmission and Transformation Equipment"
DL/TS93 "Common Ordering Technical Conditions for High Voltage Switchgear"
DL/T402 "Ordering Technical Conditions for AC High Voltage Vacuum Circuit Breakers"
Gb2706 "Methods of Dynamic and Thermal Stability Tests for AC High Voltage Apparatus"
Gb3309 "Mechanical Tests on High Voltage Switchgear under Common Conditions"
DI403 "Ordering Technical Conditions for 10-35kV Indoor High Voltage Vacuum Circuit Breakers"

No. Item Unit Data
1 Rated Voltage KV 12
2 Rated Frequency HZ 50
3 Rated Current A 630 1250
4 Rated Short-Circuit Breaking Current KA 20 25
5 Rated Peak Withstand Current (Peak) KA 50 63
6 Rated Short-Time Withstand Current KA 20 25
7 Rated Short-Circuit Closing Current (Peak KA 50 63
8 Mechanical Life Times 10000
9 Rated Short-Circuit Breaking Current Breaking Times Times 30
10 Power Frequency Withstand Voltage (1min): Wet/Dry,Phase-to-Phase/Phase-to-Ground KV 30/42/48
11 Lightning Impulse Withstand Voltage (Peak):Phase-to-Phase/Phase-to-Ground KV 75/85
12 Secondary Circuit 1min Power Frequency Withstand Voltage KV 2

Technical Requirements
1. Unspecified tolerances are manufactured according to GB/T1804-2000-m level.
2. Unspecified chamfers are 0.545°.

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