FEATURES: Flow Through Design A unique heatsinktunnel design provides maximum cooling while sealing components from the damaging effects of moisture, airborne particles, and other contaminates in the operating environment. Power Factor Corrected, Wide Input TM The Rugged-UPS accepts a wide range of voltage and frequency inputs while providing seamless active power-factor correction and clean, reliable AC power. On-line This true on-line, double conversion uninterruptible power supply continually creates a pure sine wave AC output from a DC bus, thus protecting sensitive equipment from surges, spikes, brownouts, blackouts, and noise.