M90U-140 Modular UPS – Enterprise Three-Phase UPS (15–140kW, 208/120V)

15–140 kW | 208/120V Three-Phase | Modular Online Double-Conversion UPSS

Enterprise modular UPS platform designed for high-capacity facility power protection, scalable redundancy, and flexible runtime architecture in data center environments.

Enterprise modular three-phase UPS engineered for high-capacity facility power protection, scalable redundancy, and flexible runtime architecture in data center, healthcare, and large infrastructure environments. The Xtreme Power M90U-140 is designed for centralized UPS deployments where capacity, redundancy, and long-term scalability must be achieved within a modular, serviceable platform.

Key Specifications

  • 15–140 kW capacity
  • 208/120V three-phase
  • Modular online double-conversion topology
  • Up to 8 × 20 kW power modules (140 kW N+1)
  • N+1 redundancy capable
  • External battery architecture
  • Integrated maintenance bypass
  • Dual or single input supported
  • Unity output power factor

Datasheet:
https://xpcc.com/products/m90u-140/

Enterprise Modular UPS Architecture

M90U-140 defines the category of enterprise-scale modular UPS systems for high-capacity centralized infrastructure.

The platform enables large-scale capacity deployment within a single modular system, allowing power modules to be added as infrastructure grows. Redundancy can be implemented using N+1 configuration without requiring parallel UPS systems.

This architecture supports long-term infrastructure expansion while maintaining centralized continuity, modular serviceability, and simplified lifecycle planning.

Where M90U-140 Fits

M90U-140 operates as the high-capacity enterprise 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 (15–80 kW)
  • M90U-140 → enterprise modular UPS (this platform)
  • M90LU → modular UPS with external battery architecture
  • Li90 → integrated lithium facility UPS

M90U-140 is typically deployed in data centers, large electrical rooms, and centralized infrastructure environments where capacity requirements exceed mid-scale modular systems.

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

Key Advantages of M90U-140

M90U-140 is engineered for environments where capacity, redundancy, and long-term infrastructure scalability are primary design priorities.

  • Modular scalability from 15 kW to 140 kW
  • High-capacity deployment within a single UPS system
  • N+1 redundancy without parallel UPS systems
  • External battery architecture for flexible runtime design
  • Scalable infrastructure aligned with long-term growth
  • Improved serviceability compared to monolithic UPS systems

M90U-140 vs Traditional Large-Frame UPS

Traditional UPS systems at this scale often rely on large multi-cabinet or monolithic architectures that require oversizing and complex installation.

M90U-140 enables high-capacity deployment using a modular approach, allowing both capacity and redundancy to scale over time while improving serviceability and reducing system replacement requirements.

M90U-140 vs Mid-Scale Modular UPS (M90U / M90U-80)

M90U-140 extends the M90U modular platform into enterprise capacity ranges.

  • M90U → 15–60 kW, entry modular deployment
  • M90U-80 → 15–80 kW, high-density modular deployment
  • M90U-140 → 15–140 kW, enterprise-scale modular deployment

In addition to expanded capacity, M90U-140 utilizes an external battery architecture, enabling flexible runtime design and alignment with large-scale facility infrastructure requirements.

M90U-140 is typically selected when:

  • Capacity requirements exceed 80 kW
  • Enterprise-scale infrastructure must be supported
  • Redundancy is required within a single UPS system
  • External battery systems are preferred for runtime flexibility

External Battery Architecture

M90U-140 is designed for external battery deployment, allowing runtime to be engineered independently of UPS capacity.

The platform supports Xtreme Power battery systems such as M90-BC, which provide modular battery construction, multiple battery strings with individual protection, and simplified service access. The system can also be deployed with third-party battery cabinets to align with site-specific standards and runtime requirements.

This approach enables scalable runtime design while supporting large infrastructure continuity strategies.

Replace APC and Eaton UPS Systems

M90U-140 is commonly deployed to replace large legacy UPS systems and aging modular platforms, including:

  • APC Symmetra PX UPS
  • Eaton 93PM UPS
  • Vertiv Liebert EXM UPS

Typical upgrade scenarios include:

  • Data center modernization and capacity expansion
  • Replacement of aging centralized UPS systems
  • Infrastructure requiring scalable redundancy and runtime flexibility
  • Consolidation of multiple UPS systems into a modular platform

Explore comparisons:
https://xpcc.com/m90u-140-ups-comparisons/

Typical Applications

M90U-140 is deployed across enterprise infrastructure environments requiring centralized, high-capacity power protection, including data centers, large healthcare and campus facilities, telecommunications core infrastructure, and industrial systems.

Related applications:

Capacity Guidance

Capacity is defined by module configuration and infrastructure growth strategy. Systems typically deploy at 20–40 kW for initial installations, scale to 60–100 kW as infrastructure expands, and reach 100–140 kW in full-capacity configurations. N+1 redundancy can be implemented within the same system to support high-availability requirements.

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

Electrical Integration

M90U-140 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. External battery systems are deployed using dedicated cabinets aligned with facility infrastructure and runtime objectives.

Technical Summary

  • Topology: Online double conversion
  • Capacity: 15–140 kW
  • Voltage: 208/120V three-phase
  • Architecture: Modular
  • Redundancy: N+1 capable
  • Battery: External cabinet-based

Plan With Confidence

Xtreme Power Conversion supports engineers, consultants, and infrastructure planners in designing modular UPS systems for enterprise-scale capacity, redundancy planning, and long-term infrastructure growth.

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

MODEL NUMBER M90U140-20k M90U140-40k M90U140-60k M90U140-80k M90U140-100k M90U140-120k M90U140-140k
CAPACITY Power rating 20kVA/20kW 40kVA/40kW 60kVA/60kW 80kVA/80kW 100kVA/100kW 120kVA/120kW 140kVA/140kW
Power modules Up to 140KVA N+1 (8 x 20KVA) or up to 105kVA N+1 (8 x 15KVA)
INPUT Voltage  nominal 208/120V
Frequency nominal 50/60Hz auto-sensing
Voltage range 121–253VAC* (L-L)
Frequency range 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
UPS PHYSICAL Dimensions & weight 23.6″W x 43.3″D x 79.1″H / 657 lbs + 74 lbs per module
ENVIRONMENT Temperature 0–40°C (32–104°F)**
Altitude 5,200 ft above sea level**
Audible noise (typical)  < 69dBA at 1m
BATTERY Charge current (max) 8A 16A 24A 32A 40A 48A 56A
ENCLOSURE Dimensions & weight 23.6”W x 43.3”D x 79.1”H / 860 lbs + 85 lbs per module
Hot Swappable battery modules (4 per string) Up to 8 strings with individual breakers
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