31RT Series High Frequency Online UPS 10K-20KVA

·Sin wave output provides best power supply guarantee.

·19 inches standard design of rack mount,compact structure.

·0 conversion time between mains mode and battery mode.

·It is designed online dual transformation architecture technology.

·Adopting active power factor correction(PFC).

·It has detection function of input zero line and fire line.

·Having voltage surge protection function and strong anti-interference function.

·Equipped with correction function of input power factor

·Supporting mobile smart monitoring card,users can real-time monitor every data of the UPS by mobile APP.

Three-Phase Feed, Single-Phase Rack, No Rewiring Required

You've got a row of racks running servers, switches, and storage. Each piece of gear has a standard single-phase power supply. But the building gave you a three-phase drop—maybe it's a small data center, a telecom hut, or an imaging suite in a hospital. You don't want to hang a transformer off the back of the rack or start juggling phase loads. You just want to plug into the three-phase panel and get clean, single-phase power out the front. The 31RT is that answer. It's a 19-inch rack-mount online UPS that takes three-phase input and delivers pure sine wave single-phase output. No transformer, no phase-balancing spreadsheet—just a straightforward unit that slides into your rack and gets to work.

Online Protection, No Transfer Time

This is a true double-conversion UPS. The inverter is running constantly, rebuilding a fresh sine wave from the DC bus. Your equipment never touches the raw grid. When the utility fails, the battery takes over the DC bus instantly—zero transfer time. For a rack full of critical IT hardware that logs every power event, that's the only architecture that keeps the logs clean.

Active PFC Keeps the Three-Phase Side Happy

Drawing 10–20kVA from a three-phase panel can stress the upstream electrical infrastructure if the current draw is messy. The 31RT uses active power factor correction to pull current cleanly and in phase with the voltage. Input power factor stays high, and harmonic currents stay low. That reduces heating in transformers and neutrals and keeps the facilities electrician from paying you an angry visit. On a three-phase system, that's not a nice-to-have—it's how you avoid nuisance trips and voltage distortion.

Catches Miswired Outlets Before They Cause Trouble

Like its smaller rack-mount cousin (the RT Series), the 31RT checks the input wiring when you connect it. If the outlet has line and neutral swapped—a surprisingly common problem in older buildings and renovated spaces—the UPS flags it. You don't have to break out a multimeter or wonder why things aren't behaving. It's a small feature that solves a big headache on installation day.

Surge Protection and Noise Filtering

Three-phase environments can be electrically noisy. Heavy motors, HVAC compressors, and industrial loads on the same service can inject spikes and high-frequency interference. The 31RT includes voltage surge protection and strong anti-interference filtering, so the power that reaches your servers is clean, regardless of what's happening on the building's mains.

Standard 19-Inch Rack Form

The chassis is a standard 19-inch rack-mount design. It slides into your existing cabinet alongside your switches, storage arrays, and patch panels. No tower on the floor, no separate battery box to work around. Everything is self-contained in a package that respects your rack space.

Mobile Monitoring That Fits in Your Pocket

For remote visibility, the 31RT supports an optional mobile smart monitoring card. Pop it in, connect the app on your phone, and you've got real-time data wherever you are: load status, battery health, input and output voltages, active alarms. No dedicated management station, no VPN, no walking to the server room at midnight. Just pull out your phone and check.

Where It Lands

The 31RT fits neatly into any site where the rack needs 10–20kVA of single-phase protection but the wall delivers three-phase. Common deployments:

`Small data centers and colocation racks

`Server cabinets in hospitals and medical imaging suites

`Telecom hubs and base station shelters

`Bank branch server rooms and ATM back-office racks

`Traffic control and security monitoring rooms

`Government and enterprise IT closets

If you've got a three-phase feed and a rack full of single-phase gear, the 31RT is the plug-and-play solution. It doesn't force you to redesign your power distribution, and it doesn't ask you to give up rack space for external phase conversion. It's a clean, no-drama way to match your building's power to your equipment's needs—all in a 19-inch package you already know how to install.