12KV Vacuum Interrupter for Circuit Breakers
This 12KV vacuum interrupter is designed for use in vacuum circuit breakers. It provides efficient current interruption in medium-voltage power systems.





Technical Specifications
Product Overview
High-Voltage Vacuum Interrupter
This high-voltage vacuum interrupter is engineered for reliable and efficient current interruption in medium-voltage power systems, specifically designed for 12KV vacuum circuit breakers. Featuring robust ceramic and metal construction, it ensures long-term performance, operational safety, and minimal contact erosion. This component is ideal for power distribution systems and industrial equipment requiring rapid arc extinction.
Technical Specifications
- Available Models
- ZKTD 630/12-12.5ZKTD 630/12-16ZKTD 630/12-20
- Rated Voltage
- 12 KV
Dimensions & Mechanical
Dimensional Specifications
| Parameter | Value |
|---|---|
| Diameter | φ70±1.0 mm |
| Total Height | 175±1.5 mm |
| Body Height | 164±1.5 mm |
| Base Diameter | φ50 mm |
Mechanical Features
- M12-6H threads (depth 30) on both ends
- Mounting hole diameter φ32 on one end
- Mounting hole diameter φ28 (-0.10 tolerance) on other end
- Flatness control: φ2 A
- Parallelism control: 0.8 A



