China Sulfur Hexafluoride Household Ring Network Cabinet and High Voltage Switchgear, Find details about China Power Distribution Box, Power Distribution Cabinet from Sulfur Hexafluoride Household Ring Network Cabinet and High Voltage Switchgear
Name | Company | Reference value | ||
Rated voltage | kV | 12 | ||
Rated frequency | Hz | 50 | ||
Rated Current | A | 630 | ||
Rated insulation level | Short-time power frequency withstanding voltage | Interruption | kV | 48 |
Interphase | kV | 42 | ||
Relative | kV | 42 | ||
Lightning Shock Tolerance Voltage | Interruption | kV | 85 | |
Interphase | kV | 75 | ||
Relative | kV | 75 | ||
Rated short-time withstand current | kA | 20/25 | ||
Rated short circuit duration | s | 4 | ||
Rated Peak Tolerance Current | kA | 50/63 | ||
Rated short-circuit on-off current | kA | 20/25 | ||
Rated short circuit closing current | kA | 50/63 | ||
Auxiliary circuit and control circuit | Power frequency withstand voltage(1min) | V | 2000 | |
Mechanical life | Circuit breaker | second | 10000 | |
Disconnector / earthing switch | second | 3000 | ||
Electrical life | Circuit breaker | level | E2 | |
Earthing switch | level | E2 | ||
Protection grade of cabinet shell | IP4X | |||
Protection grade of sealed box | IP65 |