Search This Supplers Products:High voltage electrical productsVACUUM INTERRUPTERVACUUM CONTACTORVACUUM CIRCUIT BREAKERVCB SWITCHGEAR PANELSUBSTATION
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Briefing
Detailed
Items |
Data |
Rated voltage |
24KV |
Rated current |
630A |
Rated frequency | 50/60Hz |
Rated short-circuit breaking current | 20KA |
Operations of short-circuit breaking current interruption | 30 times |
Max. DC-component | 40% |
Rated short-circuit making curremt | 50KA |
Rated peak withstand current | 50KA |
Rated short -time withstand current(4s) | 20KA |
Rated breaking current of single capacitor bank | #630A |
Rated breaking current of back to back capacitor bank | #400A |
Short-time (1 min) power -frequency withstand voltage | *65KV/#79KV |
Lightning impluse withstand voltage (peak) | *125KV/#150KV |
Circuit resistance at minimum added force | ≤20μΩ |
Mechanical life | 20000 times |
Closing force due to bellows and atmosphere | 100±30N |
Force required to hold contacts open at full stroke | 200±30N |
Contact erosion limit | 3mm |
Shelf life | 20 years |
Total mass of interrupter/Moving mass of interrupter | 2.45Kg/0.82Kg |
Rated operating sequence | O-0.3s-CO-180s-CO |
Items |
Value |
Rated contact stroke | 12±1mm |
Contact connection stroke | 4±1mm |
Average opening speed(0-6mm stroke) | 1.1-1.7m/s |
Average closing speed(6mm-contact making) | 0.8±0.2m/s |
Added external contact force at contact touch point | ≥1300N |
Added force on closed contacts | 1800~2400N |
Max. bouncing duration | ≤3ms |
Out of simultaneity of contact closing and opening |
≤2ms |
Max. rebound distance |
≤2mm |
Max. overtravel | ≤2mm |
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