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By certification 
Environmental Condition:
Ambient temperature: -40℃~ +40℃;
Altitude: ≤2000m
Wind pressure: ≤700Pa(equals to wind speed 34m/s)
Relative humidity: monthly average 90%, daily average 95%;
Air contamination degree: III degree
Ambient air should not be contaminated by corrosive gases or flammable gases
No frequent violent vibration
Technical Data:
No. |
Item |
Unit |
Data |
1 |
Rated voltage |
KV |
24 |
2 |
Rated current |
A |
630/1250/1600 |
3 |
Rated frequency |
HZ |
50/60 |
4 |
Rated short-circuit breaking current |
KA |
20,25,31.5 |
5 |
Rated peak value withstand current(peak) |
KA |
50,63,80 |
6 |
Rated short time withstand current(4s) |
KA |
20,25 |
7 |
Rated short-circuit closing current (peak) |
KA |
50,63,80 |
8 |
Fixed operation sequence |
off-0.3S-on/off-180S on/off |
|
9 |
Rated short-circuit breaking current breaking number |
times |
30 |
10 |
Mechanical life-span |
times |
10000 |
Application:
ZW32-24high voltage vacuum circuitis a outdoor switch equipment of power system which ratingtri-phase AC 50Hz, 24kV.
It is used to make and break load current, overload current and short-circuit current.Act as the protecting and controlling unit for substation and industrial mining enterprises’ equipments. Applicable to locations that need frequent operating in rated current or under repeatedly on/off shortcircuit current.
As the power grid's breaking switch, it can realize the distribution network automation after installation of the controller.
Standards:
GB1984
GB/T28001-2011 idt OHSAS18001:2007
GB/T24001-2004 idt ISO14001:2004
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