Pole-Mounted Outdoor High-Voltage Vacuum Circuit Breaker 34.5kV 35kV 36kV

Product Overview 

The ZW32-(33-40.5)kV Outdoor High-Voltage Vacuum Circuit Breaker is a pole-mounted switchgear engineered for medium-voltage overhead power distribution networks. It integrates a proprietary embedded structure and a high-reliability spring operating mechanism to provide precise load switching and robust protection against overload and short-circuit currents. Designed for harsh outdoor environments, this breaker delivers lifetime maintenance-free performance, extended mechanical durability, and easy installation, making it an ideal solution for utility and industrial power infrastructure.

Key Selling Points

• Lifetime Maintenance-Free Operation：Sealed vacuum interrupter and corrosion-resistant materials eliminate routine field maintenance, reducing OPEX.
• Ultra-High Reliability：Spring-actuated mechanism ensures stable, repeatable performance with mechanical life ≥10,000 operations.
• Extreme Environment Ready：Operates from -30°C to +60°C, withstands altitude up to 3,000m, and meets Pollution Degree IV requirements.
• Compact & Lightweight Design：Enables rapid pole-mounted installation without heavy lifting equipment, reducing deployment time and costs.

Technical Specifications

Typical Applications

• Utility overhead distribution networks
• Remote rural/mountainous power supply
• Industrial zone power distribution
• Temporary construction & emergency power systems

Why Choose Our ZW32 Breaker?

Our ZW32 series combines field-proven vacuum arc-extinguishing technology with a rugged embedded design to deliver uncompromising performance in the most demanding outdoor conditions. With a focus on total cost of ownership (TCO) reduction, this breaker minimizes maintenance and installation expenses while ensuring maximum uptime for your power network.