The SurgeX UPS-33040-12 is a three-phase uninterruptible power supply that guarantees a reliable and cost-effective power quality solution that delivers an effective combination of superior efficiency and inrush capability to maximize performance. Its switches are factory set so that the circuit breaker is configured for maximum inrush current capability to withstand up to 300% for 140 msec. The inrush current capability also prevents damage and disruption to the connected equipment. With one of the smallest footprints in the industry, this SurgeX three-phase UPS backup power solutions is the ideal choice for any environment where high performance is needed for critical load applications.