Select Series UPS Backup power, 1RU, 500VA Select Series UPS models are available in compact form factors when space is at a premium, and in a wide range of capacities to support a wide range of installations. All models are available with web-enabled IP control. Bank control of outlets for simple system reboot Simulated sine wave output waveform 8ms transfer time Automatic Voltage Regulation Non-critical load shedding Surge protection and EMI filtering LED status indicators Battery pack easily replaced via front panel