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Ring Main Unit
Solid Insulation Ring Main Switch
GENERAL FEATURES
- Fully metal shielded solid insulation with vacuum switch
- Serial connection using disconnecting switch and vacuum interrupter
- Vacuum switch with three positon disconnector and ensure high insulation
- SCADA mate (CT and voltage sensor) and safety
- Non extendable
- No external bus bar connection
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TECHNICAL DATA
DESCRIPTION | SILB |
---|---|
Rated Maximum Voltage | 27 kV |
Corrente contínua nominal | 630 A |
Making Current | 12.5 kA |
Short-time Withstand Current | 12.5 kA / 1 seg |
Impulse Withstand Voltage | 150 kV |
Power Frequency Withstand Voltage | 60 kV / 1 min |