Sentry Uninterrupted Power Supply is designed to protect critical information and telecommunications systems, networks, services and processes whose operation could be disrupted by poor power quality and/ or breaks in their mains power supply. The Power Supply is available in various sizes ranging from 10 to 120 kVA all with a three phase input and output. The Power Supply is available with a minimal impact on its environment and power sources. The Sentry Uninterrupted Power Supply is capable of providing efficient performance.