M90Ci-6S Modular UPS – 10–60kW 400/230V Rack/Tower Three-Phase UPS System

The Xtreme Power M90Ci-6S is a modular three-phase UPS system designed for 400/230 V and 415/240 V infrastructure, delivering scalable power protection from 10 kW to 60 kW. Built on a flexible six-slot architecture, the system supports capacity expansion, N+1 redundancy, and configurable battery options within a compact cabinet. The M90Ci platform is engineered for global 400 V infrastructure used in modern data centers, industrial systems, and distributed compute environments.

Product Datasheet

Download M90Ci-6S Product Datasheet

Key Specifications

• 10–60 kW capacity
• 400/230 V, 415/240 V, 380/220 V three-phase (WYE)
• Online double-conversion topology
• Modular power and battery architecture
• N+1 redundancy capability
• Internal or external battery configurations
• Integrated maintenance bypass
• Rack or tower installation

Scalable Rack-Integrated 400V Architecture

M90Ci-6S enables deployment of scalable three-phase UPS protection within rack or compact tower environments. By separating power and battery modules within a modular architecture, it supports both capacity scaling and runtime flexibility without requiring centralized UPS systems. This simplifies deployment, reduces infrastructure footprint, and improves service accessibility. This approach aligns with distributed power architectures used in modern data centers and industrial systems.

For system design context:
https://xpcc.com/rack-power-architecture/

Where M90Ci-6S Fits

M90Ci-6S is the primary scalable platform within the M90Ci family of 400/230 V modular three-phase UPS systems. It is typically deployed in edge data centers, industrial environments, and distributed infrastructure where capacity requirements exceed compact UPS systems but do not require large centralized UPS systems.

Within the 400 V Xtreme Power architecture:
M90Ci-2S → compact 10 kW entry platform
M90Ci-6S → scalable modular platform (10–60 kW)
Ai90 → high-density rack-integrated UPS (50–70 kW)

Explore related platforms:
https://xpcc.com/products/m90ci-2s/
https://xpcc.com/products/ai90/

Modular UPS vs Traditional Three-Phase UPS

Traditional three-phase UPS systems are centralized, fixed in capacity, and require larger electrical room infrastructure. M90Ci-6S enables capacity, redundancy, and runtime to be scaled within a modular system deployed closer to the load. This improves efficiency, reduces infrastructure requirements, and simplifies long-term expansion.

Electrical Integration and Deployment

M90Ci-6S is designed for permanent installation with hardwired input and output connections. Integrated maintenance bypass enables safe load transfer during service, while modular components allow simplified replacement and reduced downtime.

Rack Deployment and Installation

M90Ci-6S supports both tower and rack-mounted deployment using an optional rack mounting kit, allowing integration into standard equipment racks or space-constrained environments. The modular design enables simplified installation and service access within the rack environment.

Watch rack mounting demonstration:
https://www.youtube.com/shorts/lsok0-_uHAg

Performance Characteristics

Online double-conversion topology delivers continuous conditioned power isolated from upstream disturbances. Unity power factor ensures full real power delivery, while high operating efficiency reduces energy losses. The system is designed to support modern 400 V infrastructure across a wide range of environments.

Why M90Ci-6S

M90Ci-6S is selected for applications where:

• Capacity must scale from 10 kW to 60 kW
• Redundancy is required within a single system
• Runtime flexibility is needed across deployments
• Deployment flexibility between rack and tower is important

Replace Eaton and Vertiv UPS Systems

M90Ci-6S is commonly deployed as a replacement for legacy three-phase UPS systems and modular platforms from Eaton and Vertiv. It enables modernization by introducing modular scalability, improved efficiency, and simplified serviceability within a compact system.

Explore comparisons:
https://xpcc.com/m90c-2s-ups-comparisons/

Typical Applications

M90Ci-6S supports data centers, edge computing environments, industrial automation systems, telecom infrastructure, and enterprise IT environments requiring scalable three-phase power. It is particularly well suited for distributed compute environments and facilities transitioning to modern 400 V architectures.

Explore related applications:
https://xpcc.com/data-center-ups/
https://xpcc.com/ups-for-edge-data-centers/

Technical Summary

Topology: Online double conversion
Capacity: 10–60 kW
Voltage: 400/230 V, 415/240 V three-phase
Architecture: Modular
Battery: Internal or external
Installation: Rack or tower
Bypass: Integrated maintenance bypass

Plan With Confidence

Xtreme Power Conversion supports engineers, consultants, and infrastructure planners in designing modular UPS systems for scalable capacity, distributed infrastructure, and modern 400 V power architectures.

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