Eaton 93PS Three-Phase Online UPS
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The Eaton 93PS is a modular three-phase online double-conversion UPS for data centres, server rooms and other mission-critical sites, from 8 to 40 kW. It delivers continuous, fully isolated power at unity power factor, runs above 96 percent efficiency in double conversion and up to 99 percent in Energy Saver System mode, and is built to scale: a pay-as-you-grow architecture, hot-swap and hot-scalable modules, and paralleling of up to four units. It is the protection for loads where downtime is measured directly in lost revenue.
What is the 93PS for?
It is for three-phase, larger critical loads: data centres and server rooms, manufacturing and industrial facilities, healthcare, telecom and retail buildings, anywhere the supply is three-phase and the equipment needs continuous, clean power with room to grow. It protects the kind of estate covered by our finance and iGaming infrastructure work. For single-phase loads, the 9PX is the premium choice; for the larger three-phase range, see the 93T.
Key features
Unity power factor. A 1.0 power factor means the full kW is available for its kVA, so you get all the real power the rating promises.
Up to 99% efficiency. Above 96 percent in double conversion and up to 99 percent in Energy Saver System mode, which cuts running cost and heat over the life of the system.
Scalable, pay as you grow. Add capacity in steps as the load grows, hot-scale modules without dropping the load, and parallel up to four units with HotSync technology.
Serviceable and resilient. Hot-swap modules, internal and external maintenance bypass, and external battery cabinets, so the system can be maintained and the runtime sized without taking the load down.
Technical specifications
| Specification | Eaton 93PS |
|---|---|
| Topology | Three-phase online double-conversion, modular |
| Power range | 8, 10, 15, 20, 30, 40 kW (8-20 kW and 8-40 kW frames) |
| Power factor | Unity (1.0) |
| Efficiency | Above 96% (double conversion); up to 99% (Energy Saver System) |
| Output | 3 phases + neutral; 220/380V, 230/400V, 240/415V configurable |
| Scalability | Pay-as-you-grow; hot-swap and hot-scalable modules; parallel up to 4 units (HotSync) |
| Bypass & battery | Internal and external maintenance bypass; external battery cabinets |
| Load power factor | 0.8 lagging to 0.8 leading |
Which Eaton UPS is right for you?
The 93PS is the modular three-phase choice for data-centre and critical loads up to 40 kW. For larger three-phase systems, the 93T runs to 80 kVA with an internal battery option. For single-phase server rooms, the 9PX and 9SX are the units to consider. A three-phase system is an engineered installation, so we design it to your load, runtime and growth; our UPS and power protection hub and sizing guide set out the approach.
Frequently asked questions
How efficient is the 93PS?
Above 96 percent in double-conversion mode and up to 99 percent in Energy Saver System mode, which lowers running cost and heat.
Can it grow with our load?
Yes. Its pay-as-you-grow architecture lets you add capacity in steps, hot-scale modules without dropping the load, and parallel up to four units.
Is it serviceable without downtime?
Yes. Modules are hot-swappable, with internal and external maintenance bypass, so the system can be serviced while it keeps protecting the load.
Technical resources
Download the Eaton 93PS datasheet (PDF)
Talk to Sirap about the 93PS
A three-phase UPS is specified to your site, so tell us your load, the supply, your runtime target and any generator, and we will design, supply, install and maintain it from a Malta-based team. See the full range on our UPS and power protection page, or request a quote.
Related Products
Talk to us about your next project
Tell us what you need to run, code, label, store, protect or automate. Our technical sales team in San Gwann replies within one working day, in Maltese or English.
Who you deal with:
- Part of Maltese IT and industry since 1981
- A sales team that specifies the right part codes
- A technical team that installs, tests and repairs
- Engineers on site anywhere in Malta and Gozo
- Zebra Premier Business Partner, Synology Platinum Partner
- Distributor for Eaton and Domino in Malta
What happens next?
We reply within one working day
An engineer visits if the site needs a look
You get a quote with part codes, installation and warranty







