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ZW10-12 11KV outdoor high voltage vacuum circuit breaker
ZW10-12 g/T630-20 - / - 12.5/16 type of outdoor high voltage vacuum circuit breaker
is three-phase ac outdoor high voltage switch equipment,
mainly used for the level of 12 kv, rated current 630 a, rated frequency 50 hz site,
city net, mining, railways, ports, power distribution system, especially suitable for outdoor overhead line, points and load current, overload current, short circuit current, switching and protection of power grids.
1. ambient temperature:+40°C~-40°C;
2. altitude:≤2000M,it should be custom-made for >2000M
3. wind pressure: ≤ 700PA(equivalent to wind speed 34m/s)
4. relative humidity:day value ≤95%,month value≤90%
5. pollution class: the fourth class
6. surrounding air is not polluted by corrosive gas or inflammable gas seriously;
7. no frequent excessive vibration.
No |
Item |
Units |
Parameters |
||
1 |
Rated voltage |
kV |
12 |
||
2 |
Rated current |
A |
630 1250 |
||
3 |
Rated frequency |
Hz |
50 |
||
4 |
Rated short-circuit breaking current |
kA |
12.5 |
16 |
20 |
5 |
Rated peak value withstand current(peak) |
kA |
31.5 |
40 |
50 |
6 |
Rated short time withstand current(4s) |
kA |
12.5 |
16 |
20 |
7 |
Rated short-circuit closing current (peak) |
kA |
31.5 |
40 |
50 |
8 |
Rated short-circuit breaking current breaking number |
Times |
30 |
||
9 |
Mechanical life |
Times |
10000 |
||
10 |
Power frequency withstand voltages(wet) (dry) inter-phase ,earth, fracture |
kV |
42 |
||
11 |
Lightning impulse withstand voltage (peak) inter-phase ,earth, fracture |
kV |
75 |
||
12 |
Secondary circuit 1min power frequency voltages |
kV |
2 |
||
13 |
Net weight |
kg |
150 |
||
1.Over 20 years of manufacturing experience with good quality & stable product performance.
2. Hossin provides full line of MV-HV electrical products, including drop-out fuse, disconnector, surge arrester, vacuum circuit breaker, fuse, load switch, insulator etc.
3. Quick feedback, Timely quotation, Fast delivery
4. Complete set of testing machine to ensure product quality.
5. Hossin can customize non-standard product as per client’s requirement.
6. Hossin sells pressing parts& pressing mould at low price.
7. Hossin offers electrical installation & commission service.
To order the vacuum circuit breaker, please let us know below info:
1. Rated Voltage
2. Rated Current
3. Rated Breaking Current
4. Fixted type or Draw-out Type
Send Inquiry to This Supplier
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