Main Technical Data
| Main Technical Data | |
| Rated Voltage | 1.14kV |
| Rated Current | 800/1250A |
| Rated Frequency | 50Hz |
| Rated Short-time power frequency withstand voltage(1min) | 10kV |
| Rated Lighting impulse withstand voltage | 15kv |
| Rated short-circuit making current | 2.5/4.0/6.3KA |
| Rated max breaking current | 2.0/3.2/5.0kA |
| Rated min breaking current | 50/80/125A |
| Rated limit making current | 2.5/4.0/6.3kA |
| Rated short-time withstand current | 2.5/4.0/6.3KA |
| Rated duration of short-circuit | 4S |
| Mechanical life | 30x104times |
| Elecrticity life AC-3 | 25x104times |
| Elecrticity life AC-4 | 10x104times |
| Rated contact stroke | 3±0.5mm |
| Contact closing force due to bellows and atmosphere | 70±30N |
| Counterforce at rated contact stroke | 110±40N |
| Contact erosion limit | 3mm |
| Weight of moving parts | ≤0.6kg |
| Mechanical Data Required for matched vacuum switchgear | |
| Rated contact stroke | 110±10mm |
| Average opening speed | 0.6±0.2m/s |
| Average closing speed | 0.3±0.1m/s |
| Added contact force | 3100±200N |
| Contact bouncing duration at closing operation | ≤2ms |
| Contact bouncing bank amplitude of opening operation | ≤2mm |
| Three-pole simultaneity | ≤1ms |
Dimensional Drawing
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