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Xtreme Power · R90

Xtreme Power R90 three-phase UPS

The XPC R90 is an online three-phase UPS.

Xtreme Power R90 three-phase UPS
Phase
3PH
Models
1
Lifecycle
Discontinued, serviced

XPC R90: key facts

Sources, checked October 3, 2026: Xtreme Power Conversion, R90.

Is the XPC R90 discontinued? What replaces it?

Yes. Xtreme Power Conversion states that the R90 has been replaced by the Ai90. See the XPC Ai90 page.

Units already installed keep working after the manufacturer's cut-off; what changes is parts and factory support. We maintain discontinued units and plan the replacement when it makes sense. How to plan the replacement of a discontinued three-phase UPS.

THREE PHASE POWER PATH3 PHASE INPUT480 V or 208 V feedRECTIFIERAC to DCDC BUSregulatedINVERTERDC to clean ACCRITICAL LOADracks, plant, imagingBATTERYon the DC busSTATIC BYPASSmaintenance and overload pathDouble conversion: the load stays on the inverter,so an outage produces no transfer gap.

How a three phase double conversion UPS carries the load, and where the bypass sits.

R90 models

The orderable configurations we supply and service:

ModelRatingPhase / VoltagePart numberStatus
XPC R90 20kVA Three-Phase Rack18 kW3ph in/out 415/240V or 400/230V or 380/220VR90EOL

Specifications

Phase3ph in/out
Voltage415/240V or 400/230V or 380/220V
Models1
StatusDiscontinued

Batteries and battery cabinets for the XPC R90

Battery strings and cabinets depend on the configuration and runtime. Batteries for Xtreme Power UPS cabinets are matched by string voltage and block size.

XPC R90 service in Canada

We service the XPC R90 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.

Battery strings, capacitors and fans are checked as part of preventive maintenance for Xtreme Power UPS systems.

Sizing, redundancy and custom builds

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 R90 is one option we weigh on its merits, not the only answer.

Common questions

What is the XPC R90?

The XPC R90 is an online three-phase UPS.

Is the XPC R90 discontinued?

Yes. Xtreme Power Conversion states that the R90 has been replaced by the Ai90.

What replaced the XPC R90?

Xtreme Power Conversion states that the R90 has been replaced by the Ai90.

Who services the XPC R90 in Canada?

A Canadian UPS service and supply provider, in business since 2012, services the XPC R90 across Canada: preventive maintenance, battery replacement and emergency repair, including discontinued units. Call 1 (438) 881-3363 or email info@threephaseups.ca.

Request a quote: Xtreme Power R90

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.

Do you have your own electrician?
Yearly preventive maintenance?

Or email info@threephaseups.ca · 1 (438) 881-3363

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.