| Customization: | Available |
|---|---|
| Breaking Capacity: | Low Voltage Circuit Breakers |
| Operation: | Electric Type |
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We have modern machining equipment, complete testing methods, high-quality scientific and technological personnel, and rely on our professional level and mature experience in the field of ZW20 12 Vacuum Circuit Breaker, GN30 12 voltage disconnect switch, HRW4 high voltage fuse to continuously provide customers with good products and services. We constantly analyze the current industry market, predict the future market prospects, and grasp the pulse of market development. We actively strive to promote dedicated cooperation among our employees, as well as among our customers and business partners, and are committed to developing and promoting a team spirit of harmony and cooperation. We place talent development at a strategic level and constantly provide our employees with opportunities to learn, work, and challenge themselves.
ZW8-12 Outdoor Vacuum Circuit Breaker (ZW8-12F,ZW8-12,ZW8-12G ,ZW8-12M ) is a three-phase common box type, the three-phase vacuum interrupter is placed in a metal box, and the SMC insulating material is used for phase-to-phase insulation and ground insulation, with reliable performance and high absolute strength.
|
Parameter |
Unit |
Value |
|
Rated voltage |
kV |
12 |
|
Rated current |
A |
630 |
|
Power frequency withstand voltage |
kV |
42,48 |
|
Lightning impulse withstand voltage (peak) |
kV |
75,85 |
|
Rated short-circuit breaking current (RMS) |
kA |
20 |
|
Rated short-circuit making current (peak value) |
kA |
50 |
|
Nominal Operation Sequence |
|
O-0.3S CO 180S CO |
|
Rated short-circuit current breaking times |
time |
≥30 |
|
Mechanical life |
time |
10000 |
|
Rated operating voltage (closing/opening coil) |
|
DC220V AC220V |
|
Allowable wear thickness of moving and static contacts |
mm |
3 |
|
Isolation fracture breaking distance |
mm |
> 200 |
Ambient air temperature: -25ºC~40ºC;
Altitude: no more than 2000m;
The surrounding air can be polluted by dust, smoke, corrosive gas, steam or salt spray;
The wind speed does not exceed 34m/s;
Vibration or ground motion from outside of switchgear and control equipment can be ignored;
Q2:How do you control the quality ?
A2:Professional QC team comply with TQM insure you the quality. Each step is in compliance to the standards,At the same time ,we will take photos or shoot video for you.
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