SLC CUBE3+ / CUBE3+ PS — three-phase online UPS 7.5–200 kVA
Country: Spain · Model: SLC CUBE3+ / CUBE3+ PS
A three-phase VFI class online UPS of 7.5–200 kVA with an input THDi below 1.5 % at cos φ 1.0. It is installed in production, administrative buildings and data centers where the UPS must not pollute the mains with harmonics.
- Power
- 7.5–200 kVA
- Topology
- online, double conversion (VFI)
- Input cos φ / THDi
- 1.0 / < 1.5 %
- Output cos φ / THDv
- 0.9 / < 0.5 %
Technical specifications
| Power | 7.5–200 kVA |
|---|---|
| Topology | online, double conversion (VFI) |
| Input cos φ / THDi | 1.0 / < 1.5 % |
| Output cos φ / THDv | 0.9 / < 0.5 % |
| CUBE3+ PS | energy storage for peak shaving |
Specifications are taken from the manufacturer’s technical documentation. Updated .
Description
VFI double conversion keeps the output voltage independent of the mains in amplitude and frequency. The input rectifier draws an almost sinusoidal current with cos φ 1.0 and THDi below 1.5 %, so a diesel generator for such a UPS does not need a large power reserve, and cables and breakers do not overheat from higher harmonics. At the output cos φ is 0.9 and THDv is below 0.5 %, that is, the load receives a practically pure sine wave. The CUBE3+ PS version has a built-in energy storage, which picks up short consumption peaks and does not pass them to the mains or the generator. The units of the range are installed on the floor in separate cabinets on wheels.
How to choose
The rating is counted with the output cos φ of 0.9 in mind, so the active power at the output will be a tenth less than the kVA on the nameplate. The PS version makes sense where motors, compressors or welding posts give short current surges and the input power is limited. For single-phase loads up to 20 kVA the SLC TWIN PRO2 series is more suitable, and for powers above the upper limit of the range the manufacturer offers X-PERT and X-TRA.
Request a price and lead time
SLC CUBE3+ / CUBE3+ PS — three-phase online UPS 7.5–200 kVA. We reply within one business day.
Or email office@usk.ua or call +38 (044) 339-50-20.
FAQ
What is the input THDi of the SLC CUBE3+?
Below 1.5 % at an input cos φ of 1.0. This reduces the load on the transformer and the diesel generator.
What is CUBE3+ PS and why does it need peak shaving?
It is a version with a built-in energy storage that cuts the consumption peaks of the load. The mains or the generator see a smoother profile.
In what power range is the SLC CUBE3+ made?
From 7.5 to 200 kVA, all models are three-phase with VFI double conversion.
What are the output voltage parameters of the CUBE3+?
An output cos φ of 0.9 and a distortion factor THDv below 0.5 %.
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