M90U-80 Modular UPS – High-Density Three-Phase UPS (15–80kW, 208/120V)

15–80 kW | 208/120V Three-Phase | Modular Online Double-Conversion UPS

High-density modular three-phase UPS engineered for facility infrastructure requiring scalable capacity, N+1 redundancy, and maximum power within a compact electrical room footprint.

The Xtreme Power M90U-80 is designed for data centers, healthcare, telecom, and industrial environments where capacity expansion, serviceability, and space efficiency must be achieved within a single integrated system.

Key Specifications

  • 15–80 kW capacity
  • 208/120V three-phase
  • Modular online double-conversion topology
  • 15 kW or 20 kW power modules
  • N+1 redundancy capable
  • Internal modular VRLA battery architecture
  • Integrated maintenance bypass
  • Dual or single input supported
  • Unity output power factor

Datasheet:
https://xpcc.com/wp-content/uploads/M90U-80-flyer-1.pdf

High-Density Modular UPS Architecture

M90U-80 defines the category of high-density modular UPS systems for space-constrained electrical room environments.

The platform integrates UPS electronics, batteries, and bypass into a single cabinet, enabling higher capacity deployment within a reduced footprint. This minimizes the space typically required for 60–100 kW class UPS systems while maintaining modular scalability and redundancy.

Capacity can be expanded by adding power modules, allowing infrastructure to grow without increasing system footprint or requiring additional cabinets.

Where M90U-80 Fits

M90U-80 operates as the mid-scale, high-density platform within the M90U modular UPS family.

Within the Xtreme Power architecture:

  • M90U → entry modular facility UPS (15–60 kW)
  • M90U-80 → high-density modular UPS (this platform)
  • M90U-140 → high-capacity modular UPS platform
  • Li90 → integrated lithium facility UPS

M90U-80 is typically deployed in electrical rooms where space is limited and capacity requirements exceed entry-level modular systems.

Explore full platform:
https://xpcc.com/xtreme-power-m90u-ups-family/

Key Advantages of M90U-80

M90U-80 is engineered for environments where capacity, density, scalability, and serviceability must be balanced within limited space.

  • Modular scalability from 15 kW to 80 kW
  • High power density within a single cabinet
  • N+1 redundancy within the same system
  • Integrated batteries and maintenance bypass
  • Phased capacity expansion aligned with infrastructure growth
  • Improved service accessibility and maintenance efficiency

M90U-80 vs Traditional Multi-Cabinet UPS

Traditional UPS systems in the 60–100 kW range often require multiple cabinets for power, batteries, and bypass.

M90U-80 consolidates these functions into a single modular cabinet, reducing footprint while maintaining scalability and redundancy. This simplifies installation and enables higher capacity deployment in constrained environments.

M90U-80 vs Standard Modular UPS (M90U)

M90U-80 builds on the M90U platform by increasing capacity and power density within a more compact cabinet architecture.

  • M90U → scalable modular UPS with standard density (15–60 kW), typically deployed where electrical room space is not a primary constraint
  • M90U-80 → high-density modular UPS (15–80 kW) designed to deliver higher capacity within a reduced footprint

In addition to expanded capacity, M90U-80 incorporates design enhancements that improve usability, serviceability, and system integration:

  • Larger LCD interface for improved system visibility and control
  • Front-facing maintenance bypass for simplified service access
  • Backplane-connected battery modules for faster installation and maintenance

These design elements reduce service time, improve accessibility, and support faster deployment compared to standard modular UPS platforms.

M90U-80 is typically selected when:

  • Electrical room space is limited
  • Capacity requirements approach or exceed 60 kW
  • Infrastructure consolidation is required within a fixed footprint
  • Simplified service access and faster maintenance are priorities

Replace APC and Eaton UPS Systems

M90U-80 is commonly deployed to replace legacy multi-cabinet UPS systems from APC and Eaton.

Typical upgrade scenarios include:

  • Facilities consolidating multiple UPS systems into a single platform
  • Electrical rooms with limited available space
  • Infrastructure requiring higher capacity within an existing footprint
  • Systems requiring modular scalability and redundancy

Explore comparisons:
https://xpcc.com/m90u-80-ups-comparisons/

Typical Applications

M90U-80 is deployed across environments requiring high-capacity UPS protection within limited space, including data center electrical rooms, edge computing environments, healthcare infrastructure, telecommunications systems, and industrial facilities.

Related applications:

Capacity Guidance

Capacity is defined by module configuration and infrastructure growth strategy. Systems typically deploy at 15–30 kW for initial installations, scale to 40–60 kW as infrastructure expands, and reach 60–80 kW in high-density configurations. N+1 redundancy can be implemented within the same system to support higher availability requirements.

UPS sizing tool:
https://xpcc.com/selector

Electrical Integration

M90U-80 is designed for permanent facility installation with hardwired input and output connections. The system supports dual-input configurations and includes an integrated maintenance bypass, aligning with centralized electrical room deployment.

Technical Summary

  • Topology: Online double conversion
  • Capacity: 15–80 kW
  • Voltage: 208/120V three-phase
  • Architecture: Modular
  • Redundancy: N+1 capable
  • Battery: Internal modular VRLA
  • Installation: Hardwired

Plan With Confidence

Xtreme Power Conversion supports engineers, consultants, and infrastructure planners in deploying modular UPS systems for scalable facility power, redundancy planning, and space-constrained environments.

Phone: (800) 582-4524
Email: sales@xpcc.com

MODEL NUMBER M90U80-20k M90U80-40k M90U80-60k M90U80-80k
CAPACITY Power rating 20kVA/20kW 40kVA/40kW 60kVA/60kW 80kVA/80kW
Enclosure capacity: power modules Up to 80KVA (4 x 20KVA) or up to 60kVA (4 x 15KVA)
Enclosure capacity: battery modules  4, 8, 12, or 16 internal battery modules
INPUT Voltage / frequency nominal 208/120V, 50/60Hz auto-sensing
Voltage / frequency range 121–253VAC* (L-L), 40–70Hz
OUTPUT Voltage 208/120V
Frequency 50/60Hz ± 0.5Hz
THD (full load) < 2%
Efficiency Up to 94% online mode or 98% ECO mode
Overload capacity 105%-110% for 60min; 110%-125% for 10min; 126%-150% for 1min; >150% for 200ms
BATTERY SYSTEM Nominal voltage ± 120V
Charge Current (programable) 8A 16A 24A 32A
DIMENSIONS & Enclosure 23.6″W x 43.3″D x 79.1″H / 657 lbs
WEIGHT Power module 19.5”W x 29.5”D x 5.5”H / 74 lbs
Battery module 4.3”W x 28.5”D x 6.5”H / 70 lbs
ENVIRONMENT Temperature 0–40°C (32–104°F)**
Altitude 5,200 ft above sea level**
Audible noise (typical)  < 69dBA at 1m
APPROVALS UL-1778, cUL, FCC A, RoHS, TAA (select models)
WARRANTY 2 years (USA and Canada)
COMMUNICATIONS INTERFACE RS-232, EPO, intelligent slot for optional cards (Web/SNMP, Modbus), optional relay card
INCLUDED IN BOX User manual, RS-232 cable, unloading ramp, ViewPower Software
AVAILABLE OPTIONS External maintenance bypass, 480V input transformer, output distribution, battery temperature sensor