Description
High-Voltage Live-Tank Breaker Ratings & Performance Data
| Electrical & Mechanical Characteristic | Engineering Value / Classification |
| System Nominal / Maximum Voltage | Up to 170 kV |
| Normal Service Current Rating | 4000 A maximum continuous |
| Symmetrical Interrupting Capacity | 50 kA (RMS) |
| Power System Operating Frequency | 50 Hz / 60 Hz compatible |
| Dielectric & Interruption Medium | Pressurized SF6 gas |
| Physical Architecture | Outdoor, live-tank pole unit assembly |
| Actuator System | Motor-driven stored-energy spring mechanism (1-pole / 3-pole execution) |
| Trip / Break Duration | Typically 22 – 30 ms |
| Make / Close Duration | Typically 78 – 90 ms |
| Inter-Pole Synchronization Delta | Maximum 5 ms |
| Earthquake Resistance Standard | Certified according to IEEE-693 |


