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A survey by Hartford Insurance Company found that air circuit breakers represent 19.5% of power system failures. Test results by InterNational Electrical Testing Association (NETA) firms show a failure rate greater than 15%. Defective circuit breakers can allow extensive damage, cause personal injury, and make an outage more widespread when a fault occurs. They can also trip unnecessarily, causing expensive downtime. Circuit breakers are vital components in data centers, integral to UPS paralleling switchgear, generator switchgear, and other power systems critical to the electrical infrastructure and IT availability. That’s why regular testing is crucial in protecting people and mission-critical IT equipment.