33Queen Star Series LV High Frequency Online 10K-20KVA

· Highrfrequency online thre-in and three-out UPS,the output can be conected to unbalanced load,and theinput three-phase always keeps the load balanced.

· Fully digital control,more stable performance.

· Energy-saved and environmental protection,efficency is up to 93%

· Support N+X parallel redundancy

· The most optimized tower structure design has the smallest volume compared to similar products on the market

· A single set of battery supplies power to the system,reducing the number of batteries and save cost.

· Visualized LCD display interface,clear and intuitive display ofthree-phase working information.

· Intelligent mobile monitoring cards are supported to monitor UPS data in real time through mobile apps.

Three-Phase Protection That Doesn't Overcomplicate Things

Three-phase power brings its own set of headaches. You've got loads scattered across phases, often not in the neat, balanced way the electrical designer intended. Some racks pull more from L1, some from L3. That imbalance usually flows right back upstream, warming up transformers, tripping breakers, and generally making the building's electrical infrastructure work harder than it should.

The 33Queen Star Series LV is built with that reality in mind. It's a high frequency online UPS that takes in three-phase input and gives you clean, regulated three-phase output—true double conversion, zero transfer time, all the things you expect from an online unit in this class. But what makes it genuinely useful in the real world is how it handles imbalance: even if your loads are wildly lopsided across the phases, the UPS keeps the input side perfectly balanced. Your upstream breaker and wiring see a steady, even draw. No nuisance trips. No derating headaches. No phone calls at 3 a.m. because a phase imbalance shut down half the floor.

Digital Control from Input to Output

Everything inside the 33Queen Star LV is managed by DSP-based digital control. There's no analog drift over time, no potentiometers to tweak during service. The behaviour stays consistent across temperature swings and years of operation. When you commission it, it stays commissioned.

That digital backbone also means the unit can react fast—fault detection, load changes, transfer to battery—all handled in microseconds. The output remains clean and stable regardless of what's happening on the input side.

Efficiency That Makes Sense for This Size

At 93% operating efficiency, this isn't chasing the ultra-premium numbers of massive data center UPS systems, but it doesn't need to. For a 10–20kVA three-phase unit in this cost bracket, 93% is solid. Less heat to deal with, lower cooling load in the electrical room, and a power bill that doesn't sting. If you're running this thing 24/7—which you probably are—those percentage points translate into real money over a few years.

N+X Parallel: Add Capacity or Redundancy on Your Terms

If your load grows, you don't have to rip and replace. The 33Queen Star LV supports N+X parallel configuration, so you can add another unit to the parallel bus for extra capacity or extra redundancy. Need more watts? Add a module. Need fault tolerance so one unit can fail without dropping the load? Add a module. The architecture scales without forcing a full redesign of your power chain.

Surprisingly Small Footprint

Three-phase UPS units have a reputation for being bulky. The 33Queen Star LV pushes back on that. The tower design is optimised to be the smallest in its class—comparable products on the market tend to eat up more floor space for the same rating. When you're trying to fit a UPS into an already cramped server room or electrical closet, every square inch counts. This one won't force you to reorganise half the room.

One Battery Bank for the Whole System

Here's a cost-saving detail that's easy to overlook in a spec sheet but impossible to ignore when the quote comes in. Many three-phase UPS designs require separate battery strings for different modules or phases. The 33Queen Star LV powers the entire system from a single battery set. One bank. Fewer batteries to buy. Fewer batteries to maintain and eventually replace. The upfront cost drops, and the ongoing maintenance burden stays lower for the life of the unit.

Visualized LCD: Three Phases at a Glance

If you've ever had to click through nested menus just to check the voltage on each phase, you'll appreciate this. The LCD display on the 33Queen Star LV shows three-phase information in a clear, graphic layout. Phase voltages, currents, load percentages—all visible on one screen without scrolling. When something's off, you spot it immediately. No decoding, no manual, no wasted time.

Remote Monitoring with Your Phone

An optional intelligent mobile card plugs into the communication slot and gives you remote access via a smartphone app. You can check UPS status, battery health, and active alarms from anywhere with a data connection. That's especially useful for small IT teams managing multiple sites, or for installations where nobody is physically on site every day. You don't need a dedicated workstation or a complicated NMS setup—just a phone and the app.

Where It Fits

The 33Queen Star Series LV is aimed at small factories, office buildings, server rooms, and light industrial settings where three-phase power is available and the equipment needs online-grade protection without the bulk and cost of a large-scale modular system. It handles unbalanced loads gracefully, keeps the input side clean, and gives you a clear path to scale up or add redundancy when the need arises.

If you're looking for a compact, cost-effective three-phase online UPS that doesn't punish you for having real-world loads, the 33Queen Star LV is worth a hard look.