APC Smart-UPS RT - UPS (rack-mountable) - AC 220/230/240 V - 16 kW - 20000 VA - 3-phase / 1-phase - Ethernet 10/100, RS-232 - output connectors: 10 - 12U - black - for P/N: AR2487G, AR3105W, AR3140G, AR3155W, AR3305W, AR3340G, AR3355SP, AR3355W, NBWL0356A APC | SURT20KRMXLI

High density, double-conversion on-line power protection with scalable runtime.

• Dual mains input
  Increases availability by allowing the UPS to be connected to two separate power sources.
• LCD display
  Alpha-Numeric Display which displays system parameters and alarms.
• Manageable external batteries
  Reduces preventative maintenance service needs by monitoring the health and status of the external batteries and their expected runtime.
• Rack/Tower convertible
  Protects the initial investment in the UPS when migrating from tower to rack-mount environment.
• Removable input/output wiring tray
  Allows quick and easy installation and maintenance of the UPS.
• Single or three-phase input wireable
  Provides flexibility for the UPS to be installed using either single or three-phase input wiring.