6kVA/6kW, 12kVA/12kW
208/120VAC Single-Phase Online UPS
Modular, Flexible UPS for Continuous Power Availability.
Overview
The Xtreme Power M90S-4S is a 4-slot modular UPS enclosure designed for maximum flexibility, efficiency, and uptime. Rated for 6 kW or 12 kW, the M90S-4S provides reliable online double-conversion protection and supports both power and battery modules in the same chassis.
By combining universal slots, front-access maintenance bypass, and per-module LCD displays, the M90S-4S delivers the performance and scalability needed for critical single-phase applications.
See the full product family at the M90S Single-Phase Modular UPS overview.
Key Features & Benefits
- Universal Slot Design – Each slot supports either a power module or battery module, offering unmatched flexibility
- Flexible Ratings – Configure as 6 kW or 12 kW depending on module configuration
- Online Double-Conversion – Clean, continuous, and regulated power for mission-critical loads
- Front Maintenance Bypass – Manually transfer loads to utility power during UPS maintenance without downtime
- Power Module LCD – Each power module includes its own LCD display for detailed monitoring and redundancy
- Scalable Architecture – Add modules as power or runtime requirements grow
- Customizable – Configure for capacity, redundancy, runtime, and output receptacle panels (up to 2 optional panels: 5-20R, L6-20R, L6-30R, etc.)
- Hot-Swappable Modules – Power and battery modules can be replaced quickly for rapid maintenance and repair
- Warranty – 3 years electronics & batteries (USA & Canada)
Product Snapshot
- Enclosure: 4-slot modular UPS
- Capacity: 6 kW or 12 kW
- Voltage: Configurable for 208/120V or 240/120V single-phase
- Bypass: Integrated front-access manual maintenance bypass
- Output Options: Up to 2 optional receptacle panels (5-20R, L6-20R, L6-30R, etc.)
- Monitoring: Large system LCD + individual module LCD displays
- Warranty: 3 years electronics & batteries (USA & Canada)
Applications
The M90S-4S UPS is the ideal choice for scalable, modular single-phase protection in critical environments:
- Video Walls & Pro AV – See UPS for Video Walls
- Broadcast / Media Systems – See UPS for Media Broadcast
- Retail & Restaurant Back-Office – See UPS for Restaurants & Retail
- Scalable Power Solutions – See Modular UPS Systems
- Replacement for Legacy Systems – See APC Symmetra LX Replacement
Competitive Comparison
Related Products
- M90S-2S – Compact 2-slot modular UPS
- M90S-6S – 6-slot modular UPS for mid-size loads
- M90S-12S – Enterprise-class 12-slot modular UPS
- M90C-2S – 3-phase modular alternate
- P91 5–10kVA – Non-modular online UPS alternative
Contact Us Today!
The M90S-4S delivers 6–12 kW of modular power in a flexible 4-slot chassis. With universal slots, hot-swappable modules, and per-module LCD monitoring, it’s the smart choice for AV, broadcast, retail, and IT environments where uptime is essential.
Contact Us | View All Products
(800) 582-4524
| CAPACITY | Power Rating | 6kVA/6kW | 12kVA/12kW |
| INPUT | Voltage / frequency nominal | 120/208V or 120/240V & 50/60Hz auto-sensing (2PH+N+G) | |
| Voltage / frequency range | 152-269VAC* (L-L) / 40–70Hz | ||
| OUTPUT | Voltage & Frequency | 120/208V or 120/240V & 50/60Hz ± 0.1Hz; (2PH+N) | |
| Efficiency / THD (full load) | Up to 98% ECO mode, 93% online mode / ≤2% (Linear load); ≤3% (Non linear load) | ||
| Overload capacity | 100% – 110% for 30 min; 110% – 130% for 5min; 130% – 150% for 10s; > 150% for 200ms | ||
| BATTERY SYSTEM | Nominal voltage | +/-96V | |
| Max charging (adjustable) | 4A | 8A | |
| MODULE DIMENSION | Power module | 16.3”W x 24”D x 5.2”H / 38 lbs | |
| & WEIGHT | Battery module | 16.3”W x 24”D x 5.2”H / 107 lbs | |
| SYSTEM ENCLOSURE | Dimensions & Weight | UPS 17.4”W x 33.7”D x 33”H & 130 lbs / BC7 17.4”W x 33.7”D x 45.5”H & 162 lbs | |
| Maximum Capacity | 12kVA | ||
| Enclosure Capacity | 4 slots including 2 universal slots + 2 battery only slots | ||
| Optional Battery Enclosure | 7 slots for additional battery modules | ||
| Output Connections | Terminal blocks and/or up to 2 receptacle panels | ||
| ENVIRONMENT | Temperature | 0–40°C (32–104°F) | |
| Altitude | 5,200 ft above sea level | ||
| Audible noise | < 58dBA at 1m | ||
| APPROVALS | UL-1778 (TUV), cUL, FCC A, RoHS | ||
| WARRANTY | 3 year electronics, 3 year battery (USA and Canada) | ||
| COMMUNICATIONS INTERFACE | RS-232, USB, Dry Contacts, EPO, (2) intelligent slot for optional cards (Web/SNMP, Relay, Modbus) | ||
| INCLUDED IN BOX | User manual, USB cable, RS-232 cable, ViewPower Software, anchor brackets | ||
| AVAILABLE OPTIONS | L14-30P line cord (6kVA), receptacle panels (2 max), extended battery cabinet, 5 year extended warranty | ||
