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Features & benefits
Solid State Breaker (SSB) and High Speed Electronic Fuse (HSEF) features:
- Silent interruption
- No arcing, no moving parts, no gasses or oils (no such maintenance required)
- Fast fault interruption time of 10 - 20 µs, including fault information acquisition and control response
- Interruption levels that are very close to the fault detection trip levels
- Let through current that is very small and is independent of the prospective fault level
- Prospective fault current limitation to <10% of that of mechanical circuit breakers which in turn reduces mechanical cable stress (reduced maintenance)
- Programming ability for automatic verification using multiple fast re-closure techniques for line-fault presence-verification (in kHz range)
- Modular design that can be series connected for higher voltage applications or parallel connected for higher current applications
- Design for AC or DC operation with identical performance
- Highly reliable design - the same devices are used in mission critical Converters and Traction drives
- Long life design – SSBs and HSEFs achieve 30 year lifetime with minimal maintenance and electronics upgrade requirement during this time
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