ZW10(27)-12 Outdoor 12kV AC Vacuum Circuit Breaker
ZW10(27)-12 Outdoor 12kV AC Vacuum Circuit Breaker is a reliable outdoor vacuum switching device designed for 12kV medium-voltage AC distribution systems. It adopts advanced vacuum interruption technology to provide safe and efficient switching, load control, and fault protection for overhead power networks. With a compact outdoor structure, strong environmental adaptability, and low maintenance requirements, it is widely used in rural distribution grids, industrial power feeders, substations, and renewable energy applications.
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The ZW10-27/12 Outdoor Vacuum Circuit Breaker is designed for 12kV–27kV medium-voltage overhead distribution systems, providing reliable switching, fault interruption, and protection in outdoor power networks. With advanced vacuum interruption technology, it enables fast fault isolation and stable operation under various environmental conditions.
Featuring a durable porcelain or polymer insulation housing, the ZW10-27/12 offers excellent mechanical strength, low maintenance requirements, and long service life. It is widely used in rural distribution grids, industrial feeder systems, renewable energy projects, and outdoor power networks requiring dependable switching performance.
Features
Application Scenarios
The ZW10-27/12 Outdoor Vacuum Circuit Breaker is designed for reliable switching and protection in medium-voltage outdoor distribution systems. Its compact structure, fast fault interruption capability, and low maintenance characteristics make it suitable for various power network applications.
Overhead Line Protection
Provides reliable fault interruption and switching control for overhead distribution lines. With optional automation functions, it supports remote operation and improves fault response efficiency in distribution networks.
Substation and Feeder Sectionalizing
The breaker can be used for feeder sectionalizing and transformer isolation, helping improve power distribution flexibility and ensure safer maintenance operations.
Renewable Energy Integration
Suitable for wind and solar power feeder applications, the ZW10-27/12 supports reliable switching, fault protection, and automatic reclosing functions to improve renewable energy grid connection stability.
Rural Electrification Projects
Designed for remote areas with limited maintenance resources, the breaker provides dependable outdoor operation and long service life under challenging environmental conditions.
Technical Data
| Item | Unit | Parameter | |
| Rated Voltage | kV | 12 / 24 / 27 | |
| Rated Current | A | 630 / 1250 | |
| Rated Frequency | Hz | 50/60 | |
| Rated Short Circuit Breaking Current | kA | 20 / 25 | |
| Insulation Level (BIL) | kV | 75 / 125 | |
| Closing Time / Opening Time | ms | ≤70 / ≤50 | |
| Mechanical life | Times | ≥10000 | |
| Control Voltage | V | AC/DC 110V / 220V | |
Overall and mounting dimensions(mm)
