M90U-140 Modular UPS – N+1 Redundant Three-Phase Power System

15kW – 140kW | 208/120VAC Modular Three-Phase UPS | Scalable Unity Power Factor

The Xtreme Power M90U-140 Modular UPS delivers high-capacity, online double-conversion protection for large data centers, enterprise networks, and industrial systems that demand continuous uptime.
With hot-swappable power and battery modules, unity power factor output (1.0 PF), and configurable N+1 redundancy, the M90U-140 ensures unmatched reliability, scalability, and ease of maintenance.

Designed to scale from 15 kVA to 140 kVA, this modular platform provides best-in-class efficiency, 10″ touchscreen visibility, and compact footprint flexibility, supporting power growth without system replacement.

Key Features & Benefits

• Unity Power Factor (1.0 PF) — Delivers full rated power to high-density IT, AV, industrial, and edge loads.
• Modular, Scalable Design — Expand capacity or add redundancy simply by inserting additional power modules.
• Wide Capacity Range — Scales from 15 kVA to 140 kVA using 15 kW or 20 kW hot-swappable modules.
• Hot-Swappable Power & Battery Modules — Maintain or upgrade the system without shutting down connected equipment.
• N+1 Redundancy — Ensures power continuity even if a module fails.
• Front-Mounted Maintenance Bypass — Safely transfer loads to utility power for UPS service without downtime.
• Modular Static Switch — Provides seamless transfer between power paths and simplifies serviceability.
• Dual or Single Utility Input — Supports flexible installation in diverse electrical environments.
• Certified Performance — UL-1778, cUL, FCC Class A, RoHS, and TAA compliant (select models).
• 2-Year Warranty — Coverage includes electronics and batteries (U.S. & Canada).

Product Snapshot

Battery System Advantages

Standard Battery System — M90BC Modular Battery Cabinet

The M90U-140 pairs with the M90BC modular battery system for maximum flexibility, protection, and serviceability.

• Up to 8 Battery Strings – Each string protected by its own 125 A breaker for safety and easy isolation.
• Optimized Serviceability – Faulty strings can be disconnected and replaced without powering down the UPS.
• Extended Runtime Options – Additional cabinets can be added to increase backup duration as needed.
• Simplified Maintenance – Front-accessible design allows for faster inspection and service in tight equipment spaces.
• Consistent Performance – Balanced string management ensures even charging and extended battery life.

This modular approach maximizes reliability while reducing downtime and lifecycle maintenance costs.

Applications

The M90U-140 Modular UPS is engineered for large-scale facilities requiring redundant, scalable power and long-term reliability:

• Data Centers – Scalable, redundant power for racks, edge nodes, and cloud infrastructure.
  → See Data Center UPS Systems.
• Pro AV & Broadcast – Stable, clean power for studios, editing suites, and control systems.
  → See UPS for Pro AV.
• Hospitality & Entertainment – Reliable power for building automation and signage networks.
  → See Hospitality UPS Systems.
• Industrial & Manufacturing – Protects automation controllers, sensors, and process systems.
• Enterprise IT – High-capacity modular protection for mission-critical networks and infrastructure.

Competitive Comparison

• Xtreme M90U-140 vs Liebert EXM 208 V — M90U-140 provides modular scalability, compact footprint, and unity PF output compared to the fixed-capacity EXM platform, with superior ECO-mode efficiency and simplified service access.

Why Choose M90U-140

The M90U-140 Modular UPS delivers enterprise-grade scalability and modular reliability in one flexible platform.
Its advanced design minimizes downtime, optimizes efficiency, and grows seamlessly alongside your evolving load requirements.

• Learn more about Unity Power Factor Benefits.
• Explore Modular UPS Design Advantages.
• View the M90U Family Overview.

Related Products

• M90U Modular UPS – Modular UPS with internal batteries for scalable power and runtime.
• M90LU Modular UPS – For long-runtime systems using large external battery banks.
• M90U-80 Modular UPS – Compact 80 kVA modular system with N+1 redundancy for medium data centers.
• Li90 10–30 kVA UPS – Three-phase lithium-ion UPS with lighter weight and 15-year battery life.

Contact Us Today

The M90U-140 Modular UPS delivers 140 kVA of scalable, redundant protection for the world’s most demanding environments.
Pair it with M90BC battery systems for extended runtime and unmatched service flexibility.

Contact Us | View All Products | UPS Selector

(800) 582-4524

sales@xpcc.com