40.5kV Outdoor SF6 Circuit Breaker
This outdoor circuit breaker features a small ceramic column structure. It is equipped with a CT14 spring operation mechanism.



Technical Specifications
Overview
High-Performance Outdoor Circuit Protection
This 40.5kV outdoor SF6 circuit breaker features a robust small ceramic column structure designed for reliable operation in power transmission and distribution systems. Engineered for frequent operation, it utilizes an advanced air-compression arc-extinguishing structure to provide exceptional breaking capacity. With high-precision current transformers and superior sealing technology, this unit ensures long-term stability and minimal maintenance requirements for outdoor substation environments.
Technical Specifications
Breaking Capacity
- Rated Voltage
- 40.5 kV
- Mechanism Service Life
- 3000 ops
- Annual Leakage Rate
- < 1%
- Transformer Accuracy Class
- 0.20.2S
Design & Construction
Key Features
- Outdoor small ceramic column structure
- CT14 spring operation mechanism
- Air-compression arc-extinguishing structure
- V-type sealing ring with spring pressure compensation
- Micro crystallizing alloy high magnetic materials



