SV8 Indoor High Voltage Vacuum Circuit Breaker

SV8 Indoor High Voltage Vacuum Circuit Breaker

• Up to 12kV, 3-phase 50Hz

• Control & protection in one unit

• Reliable for frequent switching

• Flexible: fixed or withdrawable design

• Maintenance-free with encapsulated poles

• Compatible with KYN28A-12 & XGN systems

ELECTRICAL TECHNICAL REFERENCE

Product Model SV8
Rated Voltage 12/24kV
Rated Frequency 50Hz
Rated Current 630/1250/1600/2000/3150/4000kA
Rated Short-Circuit Breaking Current 20/25/31.5/40A
Rated Short-Circuit Making Current (Peak) 50/63/80kA
Rated Short-Time Withstand Current Duration 4S
Rated Number of Short-Circuit Breaking Operations 50 times
Rated Operating Sequence 0-0.3sCO-180s-CO
Rated Lightning Impulse Withstand Voltage (Across terminals) 75kV
Rated Power-Frequency Withstand Voltage (1 minute, Across terminals) 42kV
Closing Time ≤100ms
Opening Time ≤50ms
Mechanical Endurance 20000 times
Rated Energy Storage & Operating Voltage ≌ 220/110
Total Breaking Time ≤80ms
Energy Storage Time ≤10s

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