33Queen Star Series High Frequency Online 10K-40KVA

· Highrfrequency online thre-in and three-out UPS,the output can beconected to unbalanced load,andtheinput three-phasealways keepstheload balanced.

· Fully digital control,more stable performance.

· Energy-savedand environmentalprotection,efficency is up to 93%

· Support N+Xparallel redundancy

· The most optimized towerstructure design has the smallest volume comparedtosimilar products on the market

· A single set of batterysupplies powertothe system,reducing the number of batteries and save cost.

· 10-20K standard machine integrated design with batterybuilt-in, easy to install and use.

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

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

The All-in-One Three-Phase Workhorse

Most three-phase UPS installations come with an unspoken expectation: you'll need a separate battery cabinet, extra floor space, and a bit of patience during setup. The 33Queen Star Series challenges that assumption, at least for the 10–20kVA range. It's a high frequency online UPS with a genuine built-in battery—no external box, no extra cabling, no hunting for additional square footage. For small server rooms, retail headquarters, or office buildings where space and simplicity matter as much as the spec sheet, that's a significant advantage.

Beyond that, the series stretches to 40kVA, giving you a growth path on the same platform. But let's start with what makes the integrated version so practical.

The Built-In Battery: One Box, Done

On the 10kVA and 20kVA models, the battery lives inside the main tower. You unbox the unit, wheel it into place, connect the input and output, and power it on. There's no separate battery cabinet to source, no extra DC wiring to run, and no need to carve out more floor space than absolutely necessary. Installation is about as plug-and-play as three-phase gets.

This matters in places where the UPS has to coexist with other equipment in a tight electrical closet. It also reduces points of failure—fewer connectors, fewer cables, fewer things that can come loose or be wired incorrectly.

40kVA Headroom on the Same Architecture

Need more than 20kVA? The 33Queen Star Series also offers 30kVA and 40kVA models. At those sizes, the batteries move external—there's no getting around the physics of storing that much energy—but the UPS itself stays on the same platform. So if you start with a 20kVA built-in unit and outgrow it, moving up to a 30 or 40kVA doesn't mean learning a completely new system. The control interface, the digital architecture, the parallel logic—it all carries over.

Three-Phase Done Right: Balanced Input, Whatever the Load

Just like the LV variant, this UPS handles unbalanced output loads without passing the problem upstream. Your phases can be lopsided—more gear on L1, less on L3—and the input side remains perfectly balanced. The building's breaker panel sees a clean, even draw. No unnecessary tripping, no transformer heating, no corrective rewiring.

Everything is managed by DSP digital control. The output sine wave is stable, the switching is precise, and there's no analog calibration drift to worry about over the unit's service life.

Efficiency and Parallel Capability

Efficiency sits at 93%. It's not the ultra-high number you'd see in a hyperscale data center UPS, but for this class and cost, it's solid. Heat is manageable. Cooling demands stay reasonable.

If you need redundancy or just more power, N+X parallel is supported. Add a second (or third) unit to the parallel bus. If one fails, the others carry the load. If your power needs grow, you scale horizontally without replacing the original investment.

Single Battery Set

Like the LV series, the whole system runs from one battery bank. No separate strings per module. Fewer batteries to purchase, monitor, and eventually replace. That keeps both the upfront cost and the long-term maintenance bill in check.

Tower Design: Smallest in Its Class

The physical footprint has been deliberately minimised. For a three-phase UPS in this power band, the tower is as compact as it gets. When floor space is rented by the square foot, that's not a minor detail.

Display and Monitoring

The front panel uses a visualised LCD that lays out three-phase information clearly—voltage per phase, current, load percentage—on one screen. No cycling through menus to find out if L2 is running hot.

Remote monitoring comes via an optional intelligent mobile card. Slot it in, connect the app on your phone, and you can check UPS status, battery health, and alarms from anywhere. For IT staff covering multiple sites or for installations that don't have a permanent on-site presence, that's a practical way to stay informed without a full NMS setup.

How to Choose Between This and the LV

If you're trying to decide between the 33Queen Star and the 33Queen Star LV, it really comes down to two things:

`Do you want a built-in battery? The non-LV 10–20kVA models have it inside. The LV uses external batteries. If installation simplicity or floor space is your main concern, the built-in version wins.

`Do you need more than 20kVA? The LV tops out at 20kVA. The standard series goes to 40kVA. If future growth is likely, the 33Queen Star gives you room to expand without changing platforms.

Both handle unbalanced loads. Both offer N+X parallel. Both give you the same digital control and monitoring. It's the same reliable three-phase online protection—just different packaging to match different deployment needs.