This APC from Schneider Electric Smart-UPS X is a high-performance Uninterruptible Power Supply (UPS). It protects electronic equipment against power interruptions, partial power outages and fluctuations in current strength, small fluctuations in current strength and major disturbances. The UPS also provides battery backup until the power from the mains supply returns to a safe level or until the batteries are completely discharged. Protect servers, switches, network devices and cash terminals with the APC Smart-UPS X 3000VA. APC Smart-UPS provides backup power during power outages and constantly protects devices against fluctuating power conditions and fluctuations in amperage. With first-class protection and simplified management, the 3000VA UPS ensures consistent and reliable connectivity at the most critical times. With 11 outputs with 2 switchable contact groups and compatibility with external battery units, this server UPS provides uninterrupted and scalable battery power for connected electronics. Connect 10 of the external SMX120RMBP2U battery units to increase the time the UPS can supply battery power to units (battery packs sold separately). A SmartSlot on the back of the UPS allows adding a network card for remote management of the UPS over the network (network card sold separately). Use the intuitive LCD interface and PowerChute software to configure settings and monitor usage. The SMX3000RMHV2U converts from a tower or stand-alone UPS to a rack-mounted UPS, providing flexibility in different installations. The package contains the UPS, CD with software, CD with documentation, rack mounting brackets, Smart UPS signaling RS-232 cable, USB cable and user manual Automatic voltage regulation (AVR) adjusts voltages and ensures reliable supply and battery life at the same time. The batteries can be replaced by the user.