Xtreme Power · M90Ci
The XPC M90Ci is a rack or tower modular three-phase UPS (400/230 V) rated 10 to 60 kW (M90Ci-2S at 10 kW, M90Ci-6S at 10 to 60 kW).

Xtreme Power Conversion lists the M90Ci as current; the M90Ci-6S replaced the discontinued GT90 and NXTi three-phase models.
Sources, checked October 3, 2026: Xtreme Power Conversion, M90Ci-6S 10-60 kW; Xtreme Power Conversion, GT90 (discontinued, replaced by M90Ci-6S).
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 |
|---|---|---|---|---|
| XPC M90Ci-2S 10kW (400/230V three-phase modular) | 10 kW | 3ph in/out 400/230V | M90Ci-2S | Current |
| XPC M90Ci-6S (10-60kW, 400/230V three-phase modular) | 10 kW | 3ph in/out 400/230V | M90Ci-6S | Current |
The M90C is XPC's compact modular three-phase platform (5 to 24 kVA at 208/120V (the M90Ci covers 10 to 60 kVA at 400/230V)) with unity power factor and a universal-slot design where each slot takes a power module or a battery module, so you scale capacity and runtime in the same enclosure. The 2-slot M90C-2S is rack-ready; the 6-slot M90C-6S is a 17.4-inch-wide cabinet that reaches up to ~5 hours of full-load runtime with the BC7 battery cabinet. Power and battery modules are hot-swappable, an integrated maintenance bypass is standard, and the line is TAA compliant for public-sector procurement.
Source: Xtreme Power Conversion, M90C platform brief. Figures are XPC's published specifications.
Battery strings and cabinets depend on the configuration and runtime. A worn string in the XPC M90Ci can be rebuilt from the UPS battery block catalogue.
We service the XPC M90Ci 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.
Field service for this range is described under Xtreme Power three-phase UPS service.
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 M90Ci is one option we weigh on its merits, not the only answer.
The XPC M90Ci is a rack or tower modular three-phase UPS (400/230 V) rated 10 to 60 kW (M90Ci-2S at 10 kW, M90Ci-6S at 10 to 60 kW).
No. Xtreme Power Conversion lists the M90Ci as current; the M90Ci-6S replaced the discontinued GT90 and NXTi three-phase models.
A Canadian UPS service and supply provider, in business since 2012, services the XPC M90Ci 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.