APC Smart-UPS SC 450VA UPS rack-mountable AC 230V 280Watt 450VA RS-232 output connectors 4 1U gray

Rack/tower convertibleProtect the initial investment in the UPS when migrating from tower to rack-mount environment.Multiple mounting methodsAllow for standardization on one product for use in different environments.Front-access servicingSimplifies installation and maintenance while minimizing space requirements!Boost and trim Automatic Voltage Regulation (AVR)Give higher application availability by correcting low and high voltage conditions without using the battery.Intelligent battery managementMaximize battery performance, life, and reliability through intelligent, precision charging.Power conditioningProtect connected loads from surges, spikes, lightning, and other power disturbances.Temperature-compensated battery chargingProlong battery life by regulating the charge voltage according to battery temperature.Automatic restart of loads after UPS shutdownAutomatically starts up the connected equipment upon the return of utility power.Automatic self-testPeriodic battery self-test ensures early detection of a battery that needs to be replaced.Cold-start capableProvide temporary battery power when the utility power is out.Disconnected battery notificationWarn when a battery is not available to provide backup power.