Search This Supplers Products:High voltage electrical productsVACUUM INTERRUPTERVACUUM CONTACTORVACUUM CIRCUIT BREAKERVCB SWITCHGEAR PANELSUBSTATION
US $216.001 - 50 piece
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Briefing
Detailed
Items |
Value |
Rated voltage |
12kV |
Rated current | 1250A |
Rated frequency | 50Hz |
Rated power frequency withstand voltage (1 min) | 42kV |
Rated lightning impulse withstand voltage | 75kV |
Rated short circuit breaking current | 25KA |
Rated short circuit making current(peak value) | 63KA |
Breaking operations under rated short circuit breaking current | 30 times |
Rated short time withstand current | 25kA |
Rated withstand current(peak value) | 63kA |
Rated duration of short circuit | 4s |
Mechanical life | 20000 times |
Closing force due to bellows and atmosphere | 100±30N |
Force required to hold contacts opening at full stroke | 200±30N |
Circuit resistance at lowest rated contacts force | ≤20μΩ |
Storage life | 20 years |
Limiting abrasion of contacts | 3mm |
Items |
Value |
Rated contact stroke | 9±1mm |
Average opening speed | 1.0±0.25 m/s |
Average closing speed | 0.65±0.15 m/s |
Rated contacts pressure | 3100±200N |
Max. re-bound distance |
≤2mm |
Max. overtravel |
≤2mm |
Out of simultaneity of contact closing and opening | ≤2ms |
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