Tripp Lite SU20KRTHW 20,000VA / 20kVA / 18,000 watt online, double-conversion UPS system offers complete power protection for critical server, network and telecommunications equipment in a 12U rack/tower configuration. This system delivers complete N+1 redundancy when used at loads up to 10kVA, and non-redundant operation at loads between 10 and 20kVA. Fault-tolerant auto-bypass prevents unexpected service interruptions during UPS overload or internal fault conditions. Included parallel PDU with manual bypass switching enables hot-swappable replacement of all major UPS system components in both N+1 and combined operating modes. Enhanced availability, fault tolerance and simple hot-swap replacement options make this UPS ideal for advanced networking applications in data centers, computer rooms, network closets and rugged industrial locations.

Tripp Lite SU20KRTHW 20kVA, 20,000VA / 18,000 watt on-line, double-conversion UPS system in 12U total rack/tower configuration
Unique configuration offers 20kVA non-redundant operation and automatic N+1 redundancy at load levels of 10kVA and under
Included Parallel PDU with manual bypass switch enables hot-swap replacement power modules at any supported load level
Hardwire input (3 wire) and hardwire output (3 wire) connections
Supports North American (L1,L2,G) 208/240v hardwire input / output, plus International 230/220/240v (L,N,PE) hardwire input / output
Optional SU6000XFMR2U transformer offers 120v output in North American 208/240V (L1,L2,G) input configurations
Maintains full-time sine wave output within 2% of selectable 200/208/220/230/240V nominal
Supports 50/60Hz operation for worldwide frequency compatibility
Compatible with Tripp Lite UPS management card options TLNETCARD, WEBCARDLX, SNMPWEBCARD, MODBUSCARD and RELAYIOCARD (NOTE: Applications utilizing any supported network management card option, require the installation of two of the same model network card – install one card per included UPS power module)
Optional WEBCARDLX (sold separately) with the latest version of PowerAlert Device Manager firmware (PADM20) provides enhanced remote management capabilities
PADM20 and PowerAlert Element Manager (PAEM) form a powerful tool for expanding maintenance functions in large installations, including firmware update checks and backup and restoration of device configurations
Expandable runtime with optional external battery packs
Some external battery configurations require the use of Tripp Lite's External Battery Configuration Software (see manual)
Battery independent restart ensures automatic UPS power-up after lengthy power outages, even with expired batteries
Intelligent battery management system with temperature-compensated charging extends battery life
USB & Serial ports enable data-saving unattended shutdown when used with Tripp Lite's PowerAlert software, available via FREE download from www.tripplite.com/poweralert
Optional 2POSTRMKITHD supports installation in 2 post 19 inch racks (4 required)
Optional 2-9USTAND supports upright tower placement (2 required)
Supports Emergency Power Off (EPO) via built-in interface
Front panel LEDs and LCD readout with scroll controls
LED / LCD display panel rotates for viewing in rackmount or tower configurations
External battery packs are field replaceable and hot swappable
Frequency conversion mode enables conversion of 60Hz to 50Hz or 50Hz to 60Hz (no de-rating)