Vertiv / Liebert · PowerUPS 9000
The Vertiv PowerUPS 9000 is a large three-phase UPS (UL and CE models) rated 250 to 1,250 kVA/kW, at 415 V or 480 V.

Vertiv lists the PowerUPS 9000 as current and describes it as its most efficient UPS in its product class, with a footprint 32% smaller than previous generations.
Sources, checked October 3, 2026: Vertiv, PowerUPS 9000.
How a three phase double conversion UPS carries the load, and where the bypass sits.
The orderable configurations we supply and service:
| Model | Rating | Phase / Voltage | Part number | Status |
|---|---|---|---|---|
| Vertiv PowerUPS 9000 250kVA | 250 kW | 3ph in/out 480V | · | Current |
| Vertiv PowerUPS 9000 1250kVA | 1250 kW | 3ph in/out 480V | · | Current |
Battery strings and cabinets depend on the configuration and runtime. Matched blocks and cabinets are listed under Vertiv / Liebert replacement batteries online.
We service the Vertiv PowerUPS 9000 across Canada: preventive maintenance, battery replacement and emergency repair, including units the manufacturer no longer supports. We are a Canadian UPS service and supply provider, working on three-phase systems since 2012.
For a unit that is already installed, start with maintenance and repair for the Vertiv PowerUPS 9000.
We engineer the solution: load and growth analysis, redundancy (N, N+1, 2N), runtime and battery sizing, paralleling and switchgear, and custom configurations where the standard catalogue doesn't fit. Because we supply every major brand, the PowerUPS 9000 is one option we weigh on its merits, not the only answer.
The Vertiv PowerUPS 9000 is a large three-phase UPS (UL and CE models) rated 250 to 1,250 kVA/kW, at 415 V or 480 V.
No. Vertiv lists the PowerUPS 9000 as current and describes it as its most efficient UPS in its product class, with a footprint 32% smaller than previous generations.
A Canadian UPS service and supply provider, in business since 2012, services the Vertiv PowerUPS 9000 across Canada: preventive maintenance, battery replacement and emergency repair, including discontinued units. Call 1 (438) 881-3363 or email info@threephaseups.ca.
Tell us the application and we reply within 4 business hours with the sizing, the right system, the installation and a written quote. Three-phase installs usually need a licensed electrician, so let us know if you have one.
Brand names are trademarks of their owners and are used only to identify the equipment we service. We are not the manufacturer and are not affiliated with it.