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Features & benefits
Solid State Breaker (SSB) features and benefits include:
- 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 achieve 30 year lifetime with minimal
maintenance and electronics upgrade requirement during this time
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