Mitsubishi · 9900A
The Mitsubishi Electric 9900A is a double-conversion three-phase UPS rated 80 to 225 kVA at 480 V.

Sources, checked October 3, 2026: Mitsubishi Electric, UPS product lifecycle and support schedule.
Yes. Mitsubishi Electric's product lifecycle schedule lists the 9900A with a projected end of support in December 2026 and names the 9900AEGIS as the potential replacement. See the Mitsubishi Electric 9900AEGIS 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.
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 |
|---|---|---|---|---|
| Mitsubishi 9900A 80kVA | 72 kW | 3ph in/out 480V | · | EOL |
| Mitsubishi 9900A 100kVA | 90 kW | 3ph in/out 480V | · | EOL |
| Mitsubishi 9900A 150kVA | 135 kW | 3ph in/out 480V | · | EOL |
| Mitsubishi 9900A 225kVA | 203 kW | 3ph in/out 480V | · | EOL |
Battery strings and cabinets depend on the configuration and runtime. Batteries for Mitsubishi UPS cabinets are matched by string voltage and block size.
We service the Mitsubishi Electric 9900A 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.
Planned visits and emergency calls are arranged through on-site service for the Mitsubishi Electric 9900A.
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 9900A is one option we weigh on its merits, not the only answer.
The Mitsubishi Electric 9900A is a double-conversion three-phase UPS rated 80 to 225 kVA at 480 V.
Yes. Mitsubishi Electric's product lifecycle schedule lists the 9900A with a projected end of support in December 2026 and names the 9900AEGIS as the potential replacement.
Mitsubishi Electric's product lifecycle schedule lists the 9900A with a projected end of support in December 2026 and names the 9900AEGIS as the potential replacement.
A Canadian UPS service and supply provider, in business since 2012, services the Mitsubishi Electric 9900A 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.