About this UPS
- Brand: Tripp Lite
- Product Type: Dual Conversion Online UPS
- Manufacturer Part Number: SU20KRTHWTFASSM
- Input Voltage: 220 V AC
- Form Factor: Rack/Tower
- Plug/Connector Type: Hardwired
- Product Family: SmartOnline EZ
- Backup/Run Time (Half Load): 12.50 Minute
- Backup/Run Time (Full Load): 4.30 Minute
- Load Capacity: 20 kVA
Marketing Information: Tripp Lite SU20KRTHWTFASSM 20,000VA / 20kVA / 18,000 watt online, double-conversion UPS system offers complete power protection for critical server, network and telecommunications equipment in a 16U rack/tower configuration pre-assembled into a Tripp Lite 25U rack enclosure. This system delivers complete N+1 redundancy when used at loads up to 50%, and non-redundant operation at loads between 50 and 100%. 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.
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Plug/Connector Type: HardwiredReceptacle Type: HardwiredLoad Capacity: 20 kVAInput Voltage: 220 V ACOutput Voltage:
- 120 V AC
- 240 V AC
- SmartOnline EZ SU20KRTHWTFASSM 20kVA Tower/Rack Mountable UPS
- 2 x Power Modules
- 2 x Battery Packs
- 1 x 120V transformer
- Parallel PDU with Bypass Switch
- 25U Rack Enclosure
- PowerAlert Software CD
- USB Cable
- Serial Cable
- EPO Cable
Technical specifications
How long it'll keep your equipment up.
Manufacturer-specified runtime at typical loads. Real-world figures depend on battery age, ambient temperature, and load profile.
Need more runtime? This UPS accepts external battery packs (XBPs). Contact us about XBP options →
Estimate based on manufacturer-specified runtime curve. Real-world runtime varies with battery age, ambient temperature, and load profile.
Replacement batteries that fit this exact UPS
A line-interactive UPS typically needs new batteries every 3–5 years. Matching replacement cartridges are listed by UPS model; confirm the exact model before ordering.
Before you order
How do I know this UPS will run my equipment?
Add up the wattage draw of every device you'll plug in (servers, switches, monitors). The UPS's wattage rating — not VA — is the number that matters. Aim for the UPS to run at 60–70% of capacity at full load: this gives headroom for inrush current and a meaningful runtime margin. Email us your equipment list; we'll respond within one business day with sizing guidance.
What's covered by the warranty, and how long does it last?
New units carry the warranty coverage stated by the manufacturer; see the product listing or manufacturer documentation for the applicable terms. Refurbished units are covered by the 1-year UPSPLUSBATTERY warranty handled in Canada.
Can I extend runtime beyond what's shown above?
Many Smart-UPS-class models accept an external battery pack (XBP) connected to the rear battery port. If this UPS shows "Extended Runtime Capable: Yes" in the spec grid above, an XBP is supported. Compatible XBPs and the runtime gain they deliver vary by model — contact us if you don't see the right XBP in our catalogue.