Outdoor High-Voltage Vacuum Circuit Breaker ZW8-12
This product is used to switch the load current, overload current and short circuit current of the power system. The three-phase vacuum arc-extinguishing chamber is housed in a metallic box, employing SMC insulation material for strong phase-to-phase insulation.




Technical Specifications
Product Overview
High-Performance Outdoor Protection
The ZW8-12 vacuum circuit breaker is a high-voltage, three-phase AC outdoor switchgear designed for reliable performance in power distribution grids. Operating at 12kV, it effectively manages load, overload, and short-circuit currents. Its common-box design utilizes high-strength SMC insulation materials to ensure robust phase-to-phase safety and a long, maintenance-free service life.

Technical Specifications
Core Electrical Metrics
- Construction Details
- Outdoor RatedVacuum Arc-ExtinguishingThree-Phase Common BoxSMC Insulation

Installation and Compatibility
Physical Dimensions
| Metric | ZW8-12 | ZW8-12G |
|---|---|---|
| Height (mm) | 800 | 910 |
| Width (mm) | 830 | 800 |
| Base Depth (mm) | 480 | 480 |




