| Customization: | Available |
|---|---|
| Breaking Capacity: | Low Voltage Circuit Breakers |
| Operation: | Electric Type |
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Main Specification |
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Rated voltage |
kV |
24 |
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1minVoltage at rated power frequency |
Alternate/to the ground65, fracture65 |
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Lightning impulse withstand(peak) |
Alternate/to the ground125, fracture145 |
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Rated current |
A |
630,1250 |
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Rated frequency |
Hz |
50 |
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Rated short-circuit breaking current(peak) |
kA |
20 |
25 |
31.5 |
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Rated short-circuit withstand current |
50 |
63 |
80 |
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Rated peak withstand current |
50 |
63 |
80 |
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4SRated short-time withstand current |
kA |
20 |
25 |
31.5 |
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Rated operating sequence |
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O-0.3s-CO-180s-CO |
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Closing time |
ms |
25~60 |
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Opening time |
18~45 |
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Parameter |
Unit |
Value |
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Rated short-circuit breaking current breaking times |
Second-rate |
30 |
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Mechanical life |
10000 |
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Secondary circuit1minPower frequency withstand voltage |
V |
2000 |
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Rated power of energy storage motor |
W |
40 |
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Rated voltage of energy storage motor |
V |
DC220,110,DC24 |
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Rated closing operating voltage |
AC/DC220,110;DC24 |
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Rated opening operating voltage |
AC/DC220,110; DC24 |
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Motor energy storage time |
S |
≤8 |
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Contact Spacing |
mm |
12±1 |
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Overtravel |
3 ±1 |
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Phase center distance |
395 ±2 |
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Contact closing bounce time |
ms |
22 |
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Synchronization between three-phase switching |
w2 |
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Average dividing speed |
m/s |
1.1-1.7 |
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Average closing speed |
0.5-1.0 |
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Main circuit resistance |
μΩ |
≤100 |
1.Working temperature:-40 ºC~+60 ºC
2.Operating humidity:0-95%
3.The working environment of solar radiation:≤1.1kW/m
4.The wind speed does not exceed 35m/s(equivalent to 700pa on the cylindrical surface)
5.Pollution Level:IV grade
6.ice thickNess:≤10mm
7.seismic intensity:≤8°
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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