Parameter
No. | MAIN TECHNICAL DATA | Unit | ||
1 | Rated Voltage | kV | 1.14 | |
2 | Lightning Impulse Withstand Voltage (Peak) | kV | ||
3 | Short-time (1min) Power-frequency Withstand Voltage | kV | 5 | |
4 | Rated Frequency | Hz | 50/60 | |
5 | Rated Current | A | 630 | |
6 | Rated Short-time Withstand Current | kA | 8 | |
7 | Rated duration of Short-circuit | s | 1 | |
8 | Rated Breaking Current | A | 6300 | |
9 | Limiting Breaking Current | kA | 6.3 | |
10 | Rated Making Current | kA | 7.56 | |
11 | Rated Operating Frequency | AC-3 | Operations/h | |
AC-4 | ||||
12 | Short-time Operating Frequency | Operations/h | 3000 | |
13 | Utilization Category | AC | ||
14 | Electrical Endurance | AC-3 | Operations | 3*106 |
AC-4 | 6*104 | |||
15 | Mechanical Endurance | Operations | 5*106 | |
16 | Clearance Between Open Contacts | mm | 1.2~1.5 | |
17 | Contact Closing Force Due to Bellows and Atmosphere | N | 105~140 | |
18 | Counter force of Contacts at Full Stroke | N | 120~160 | |
19 | Circuit Resistance at Min. Rated Contact Force | μΩ | ||
20 | Contact Limit Erosion | mm | 1 | |
21 | Mass of Moving Parts | kg | 0.6 | |
22 | Internal Gas Pressure | Pa | ≤1.33*10-3 | |
23 | Shelf Life | Year | 10 |