5 kW · 208/120V Three-Phase · Modular vs Traditional · 93PX Comparison

M90C-2S 5 kW vs Eaton 93PX 5 kW

The Xtreme Power M90C-2S 5 kW and the Eaton 93PX 5 kW are online double-conversion three-phase UPS for enterprise and edge deployments. Both deliver unity power factor output, but the M90C-2S is a compact modular platform with integrated bypass and front-access service in a far smaller footprint, while the 93PX is a traditional system using separate UPS, battery, and bypass enclosures.

Xtreme Power
M90C-2S 5 kW
vs
Eaton
93PX 5 kW
Where the M90C-2S 5 kW leads

Where the M90C-2S 5 kW leads

  • Modular architecture with front-access hot-swappable modules.
  • Significantly smaller rack footprint and depth (about 6U / 31.5-inch vs about 9U / 34.6-inch).
  • Higher altitude operation without derating (5,200 vs 3,300 ft).
  • Higher efficiency in both online and ECO modes.
  • Simplified maintenance without external battery and bypass cabinets.
Side-by-side

5 kW online three-phase UPS, side by side

SpecificationXtreme Power M90C-2S 5 kWEaton 93PX 5 kWAdvantage
Rated capacity5 kVA / 5 kW5 kVA / 5 kWBoth unity PF
TopologyOnline double-conversionOnline double-conversionEquivalent protection
ServiceabilityModular enclosure, integrated bypass & backplane, hot-swap from frontSeparate UPS, battery & bypass enclosures with corded interconnectsFewer failure points
Rack space & depthAbout 6U / 31.5-inch depthAbout 9U / 34.6-inch depthFar less rack space
Max altitude (no derating)5,200 ft3,300 ftHigher elevations
Full-load runtimeAbout 12 minAbout 13 min93PX slightly longer
Efficiency (online / ECO)Up to 93% / 98%Up to 91% / 97%Lower heat & energy

Runtime is comparable — the 93PX offers about 13 minutes at full load vs about 12 for the M90C-2S — while the M90C-2S leads on footprint, serviceability, altitude, and efficiency. Confirm current Eaton 93PX specifications against vendor documentation.

Where each fits

Choosing between them

The decision is mainly modular-compact vs traditional. Choose the M90C-2S for a far smaller footprint, front-access modular service, higher altitude, and higher efficiency; the 93PX fits where a site is standardized on it and has the rack space and depth for separate UPS, battery, and bypass cabinets.

Choose the M90C-2S 5 kW if you need

  • Space-constrained racks and edge environments
  • Installations requiring fast front-access servicing
  • Deployments at higher elevations without capacity derating
  • Environments prioritizing efficiency and reduced heat output
  • Applications seeking modular architecture in a compact footprint

The 93PX 5 kW may fit if you need

  • Traditional enterprise environments standardized on Eaton 93PX
  • Installations with available rack space and depth
  • Sites using separate UPS, battery, and bypass cabinets

Specifying a compact three-phase UPS?

Xtreme Power supports early specification, design-in, and lifecycle planning for edge, data center, enterprise, and regulated infrastructure across both 208 V and 400 V platforms.