ZW20-12F Outdoor High Voltage Vacuum Circuit Breaker

Product Overview
The ZW20-12F Outdoor High Voltage Vacuum Circuit Breaker is a pole-mounted medium-voltage switching device designed for 12kV distribution networks. Developed by Dongshengyuan Electrical, it integrates advanced vacuum arc-extinguishing technology with intelligent protection and control functions. This circuit breaker is widely applied in urban and rural power grids, industrial facilities, and renewable energy projects, providing reliable breaking capacity, fast fault isolation, and stable operation in outdoor environments.

Key Features
• Outdoor vacuum circuit breaker – Reliable arc-extinguishing performance with long service life.
• Intelligent control – Supports remote monitoring, protection, and communication functions.
• High safety – Equipped with mechanical interlocks and fault-proof operation.
• Compact and pole-mounted design – Easy installation, suitable for outdoor distribution lines.
• Weather-resistant – Fully sealed structure, resistant to harsh conditions.
• Maintenance-friendly – Minimal service requirements with stable performance.

Technical Specifications
Rated voltage: 12kV
Rated current: 630A (optional up to 1250A)
Rated short-circuit breaking current: 20kA / 25kA
Power frequency withstand voltage: 42kV / 1min
Lightning impulse withstand voltage: 75kV
Insulation type: Vacuum interruption
Installation type: Outdoor, pole-mounted
Control system: Intelligent monitoring and remote communication (optional)
Service life: >20 years

Application Fields
• Urban and rural medium-voltage distribution networks
• Industrial and infrastructure power supply systems
• Outdoor substations and pole-mounted installations
• Renewable energy projects (wind farms, solar plants)
• Smart grid and distribution automation systems

Why Choose ZW20-12F?
• Compliant with IEC & GB international standards.
• Reliable vacuum arc-extinguishing technology with long service life.
• Intelligent outdoor circuit breaker with remote monitoring options.
• Pole-mounted compact design, easy to install and maintain.
• Cost-effective solution for outdoor high-voltage power distribution.