Copyright ® Henan pinggao Electric Co.,Ltd 豫ICP备05010380号
Service
Company name: henan pinggao electric co. LTD
Address: Henan province of pingdingshan city
south ring road 22
Mail editor: 467000
E - mail : pinggao@pinggao.esgcc.com.cn
400-6700-312
If you need to consult other business, you can call the hotline directly.
General department: +86-375-3804029
Securities department: +86-375-3804064
Sales: +86-375-3803888
Customer service center: 400-6700-312
PRODUCT
VI012251
Specification: Vacuum Interrupter VI012251
|
Electrical Data |
|
|
Rated voltage, 50 Hz |
12kV |
|
Rated normal current |
1250A |
|
Rated short-circuit breaking current, symm. |
25kA |
|
Max. DC-component |
46% |
|
Rated short-circuit making current |
63kA |
|
Rated peak withstand current |
63kA |
|
Rated short-time withstand current, 4s |
25kA |
|
Capacitive switching acc. to GB1984 |
C2Class |
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Rated Insulation Level |
|
|
Rated power-frequency withstand voltage |
42/48kV |
|
Rated lightning impulse withstand voltage |
75/85kV |
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Thermal Data |
|
|
Circuit resistance at lowest rated contact force |
≤15μΩ |
|
Max. permitted temperature at movable stem |
170ºC |
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Electrical Life |
|
|
Breaking operations of rated short-circuit breaking current |
30times |
|
Mechanical Data |
|
|
Contact stroke |
8±1mm |
|
Max. over travel |
≤2mm |
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Maximum rebound during opening |
≤2mm |
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Average opening speed (0-2 mm stroke) |
1.2±0.2m/s |
|
Average closing speed (2 mm- contact making) |
0.8±0.2m/s |
|
Max. bouncing duration |
2ms |
|
Opening and closing non-simultaneity of three phase contacts |
≤1ms |
|
Rated added external contact final force |
2200±200N |
|
Added external contact force at contact touch point |
≥1800N |
|
Closing force due to bellows and atmosphere |
90±20N |
|
Force required to hold contacts open at full stroke |
200±30N |
|
Contact erosion limit |
3mm |
|
Mass of moving contact |
0.5kg |
|
Weight of interrupter |
1.9kg |
|
Storage life |
20years |
|
Mechanical life |
10000times |