Complaint
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 | 630,1250,2000,2500,3150 |
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 |
