High-Frequency Tower UPS — Compact Three-Input Single-Output Tower for SMB

Small and mid-size offices, branch bank rooms, regional government annexes, SMB server rooms — these are the rooms that more often than not have three-phase service entrances but small single-phase IT loads. The High-Frequency Tower compact tier is built for exactly that gap: true three-phase input handling, clean single-phase output, online double-conversion protection, and a footprint that fits where the room is small and the doorway is the limit.

Built for the rooms where the supply is bigger than the load

When the building delivers three-phase but the IT stack is single-phase, the wrong UPS ends up under-using one phase and over-stressing another. The compact tier takes three-phase in and converts it correctly, so the upstream distribution stays balanced and the IT load sees a clean single-phase sine. That is the right architecture for the room — and it does not require flagship-class capital.

Where it makes the difference

• Small and mid-size bank branches, insurance offices, and professional-services firms.

• Regional government annexes and small municipal buildings with three-phase service.

• SMB server rooms and small enterprise headquarters.

• Small commercial, retail-back-office, and educational facilities.

• Small industrial automation and process-control rooms that need clean single-phase control power.

What you gain

• A tower that takes three-phase in and delivers clean single-phase out, in a small-room-friendly footprint.

• Online double-conversion protection for the kind of small-but-critical loads SMB rooms actually carry.

• An ultra-wide input window that handles the small-room reality of dirty utility and modest generator power.

• High online efficiency with intelligent eco-mode behaviour, even in the partial-load range.

• Comprehensive protection: overload, short-circuit, over-temperature, and battery management with honest runtime predictions.

• Standard remote interfaces that expose every important parameter to any common monitoring stack.

• Quiet acoustics and a service-friendly footprint suited to occupied spaces.

How the platform works for you

The compact tier uses the same high-frequency digital control plane as the larger classes in the family — only the footprint is smaller. Three-phase input is handled correctly, single-phase output is a clean sine, and the digital self-diagnostics and intelligent battery management do the routine work: adaptive charging, accurate runtime predictions, and early warning of issues. From the team's perspective, the tower looks like one product — not one big product and several compromises.

Service, integration, and lifecycle

Even the compact tier deserves a real service model. It is supported by the same global field-engineering network as the rest of the family, with regional spares and remote-diagnostic options that keep truck rolls short. Integration with DCIM, BMS, and common SMB monitoring tools is straightforward, firmware updates are routine, and the control board is upgradable across generations.

Frequently Asked Questions

• Why three-phase input for a small single-phase load? Because the building's service entrance is three-phase; the tower balances upstream power and delivers clean output to the IT stack.

• Is the footprint small enough for an SMB room? Yes — it is designed for small-room dimensions and standard doorways.

• Can it run quietly next to an office? Yes — acoustics are tuned for occupied spaces.

• What battery chemistry is supported? The charger and management adapt to traditional or lithium chemistries.

• How loud is it at low load? Fans modulate with load; quiet in normal operation.

• Does it integrate with our monitoring stack? Standard remote interfaces expose parameters to the leading platforms.

• Is service available at remote sites? Front-serviceable components plus regional spares keep service visits short.

• What warranty and service options exist? A standard multi-year warranty with extended and on-site plans.

Information Security and Data Protection

Role-based access, audit-friendly logs, and encrypted remote communication protect operational data where supported by your management platform. Telemetry stays inside your network boundary by design.

Explore the Tower Family

• High-Frequency Tower UPS — Flagship Three-Phase Power for Large Enterprise Halls

• High-Frequency Tower UPS — Versatile Three-Phase Platform for Mid-Size Sites

• High-Frequency Tower UPS — Three-Input Single-Output Tower for Mid-Size Branches