| Customization: | Available |
|---|---|
| Breaking Capacity: | High Voltage Circuit Breakers |
| Operation: | Electric Type |
|
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Standards compliant:
GB1984 "AC high voltage circuit breaker"
GB11022 "Common technical requirements for high-voltage switchgear and control equipment standards"
GB311.1-6 "Insulation coordination of high voltage power transmission and transformation equipment"
GB763 "Communication of AC high voltage electrical appliances during long-term work"
BG2706 "Test Method for Dynamic and Thermal Stability of AC High Voltage Apparatus"
GB3309 "Mechanical test of high voltage switchgear at room temperature"
DL/T593 "Technical Conditions for Common Ordering of High Voltage Switchgear"
|
Sr. |
Name |
Unit |
Value |
|
1 |
Rated voltage |
KV |
12,24,40.5 |
|
2 |
Rated frequency |
Hz |
50 |
|
3 |
Rated current |
A |
630,1250 |
|
4 |
Rated short-circuit breaking current |
KA |
20 |
|
5 |
Rated peak withstand current (peak) |
KA |
50 |
|
6 |
Rated short-time withstand current |
KA |
20 |
|
7 |
Rated short circuit closing current (peak) |
KA |
50 |
|
8 |
Mechanical life |
Time |
10000 |
|
9 |
Rated short circuit current breaking times |
Time |
30 |
|
10 |
Power frequency withstand voltage (1min): (wet) (dry) phase, ground, fracture |
KV |
42/48 |
|
11 |
Lightning impulse withstand voltage (peak), phase to ground, fracture |
KV |
75/85 |
|
12 |
Secondary circuit 1min power frequency withstand voltage |
KV |
2 |
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