MGE UPS SYSTEMS Pulsar EX models work around the clock to improve hardware reliability and to maximize the availability of critical systems. True On Line Double Conversion technology assures highest quality AC output. Input AC is converted to DC and converted back to AC for high isolation from AC utility noise. All transfers to or from battery back up mode are completely undetectable and uninterrupted. An automatic failsafe and overload bypass is provided during extreme conditions if the UPS outputs fall outside regulation limits.Form factor versatility, optional direct network connection, extended back-up time and environment monitoring modules provide flexibility now and into the future for maximum uptime of your most critical equipment.