ZW32-12 Outdoor High Voltage Vacuum Circuit Breaker

Product Overview
The ZW32-12 Outdoor High Voltage Vacuum Circuit Breaker is a medium-voltage pole-mounted switching device designed for 12kV distribution networks. Developed by Dongshengyuan Electrical, it adopts advanced vacuum arc-extinguishing technology with a fully sealed outdoor structure, ensuring reliable performance, long service life, and minimal maintenance. It is widely used in urban and rural power distribution systems, industrial facilities, and renewable energy projects for fault protection, load control, and system automation.

Key Features
• Vacuum arc-extinguishing technology – Provides reliable breaking capacity and extended operating life.
• Outdoor pole-mounted design – Compact, easy to install, and suitable for harsh environments.
• Intelligent control options – Supports remote monitoring, communication, and automation.
• High safety – Equipped with interlocks and fault-proof mechanisms.
• Weather-resistant – Sealed structure ensures stable performance in all climates.
• Low maintenance – Long-term reliable operation with reduced service needs.

Technical Specifications
Rated voltage: 12kV
Rated current: 630A / 1250A (optional)
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
Protection degree: IP54 / IP67 (main circuit)
Service life: >20 years

Application Fields
• Urban and rural medium-voltage distribution networks
• Industrial parks and infrastructure projects
• Outdoor substations and overhead line systems
• Renewable energy integration (solar and wind power)
• Smart grid and distribution automation systems

Why Choose ZW32-12?
• Compliant with IEC & GB international standards.
• Reliable vacuum circuit breaker for outdoor distribution systems.
• Intelligent monitoring and automation options available.
• Compact and durable, suitable for harsh outdoor environments.
• Cost-effective solution with long service life and low maintenance.