50kVA-70kVA
480V
High-efficiency, fully integrated UPS for data centers, industrial automation, medical imaging, and modular IT environments.
The Xtreme Power X90-1S is a compact, high-performance 480 V modular UPS engineered for critical infrastructure.
Designed around a single 50 kW or 70 kW power module, it combines scalable runtime, integrated battery system, and internal maintenance bypass — all within a 23.6″-wide footprint, the smallest in its class.
With full front service access, top cable entry, and heavy-duty casters with floor brackets, the X90-1S simplifies installation and maintenance while providing exceptional performance.
It’s the ideal UPS for data centers, industrial automation, medical imaging, and modular IT environments where space, reliability, and efficiency matter.
| Parameter | X90-1S |
| Capacities | 50 kW, 70 kW |
| Topology | Online double conversion (480 V 3-phase) |
| Power Modules | Single 50 kW / 70 kW module |
| Surge Withstand | 65 kAIC |
| Efficiency | 96.5 % (online) / 99 % (ECO) |
| Battery System | Integrated; up to 11 minutes at 50 kW |
| Display | 10″ color touchscreen LCD |
| Inputs | Dual (rectifier + bypass) or single input |
| Access | Full front access, top cable entry |
| Form Factor | 23.6″ wide, 58” high cabinet with casters and floor bracket |
| Certifications | UL-1778, cUL, FCC A, RoHS, TAA |
| Warranty | 2 years electronics / 2 years battery |
The X90-1S delivers enterprise-class reliability and energy efficiency in a compact, integrated 480 V UPS that requires no external battery cabinets or rear access.
Its modular construction, top-entry cabling, and front-service design simplify deployment and maintenance in both new builds and retrofit installations.
→ Learn more about X90-1S advantages ›
→ Explore Unity Power Factor Benefits ›
The X90-1S Modular 480 V UPS delivers high-efficiency protection and integrated battery backup in a smallest-in-class footprint.
Ideal for data centers, medical, and industrial automation applications requiring compact power protection with simplified maintenance.
800-582-4524 sales@xpcc.com www.xpcc.com
| MODEL NUMBER | X90-1S50k | X90-1S70k | |
| CAPACITY | Power rating | 50kVA/50kW | 70kVA/70kW |
| CABINET | X90-1S UPS: power modules | 50kW or 70kW | |
| CAPACITY | X90-1S UPS: battery modules | 12 or 16 battery modules | |
| X90-BC: battery modules | Up to 36 additional battery modules | ||
| INPUT | Voltage/frequency nominal | 480VAC (3W), 50/60Hz auto-sensing | |
| Voltage/frequency range | 480VAC or +20/-20% VAC three-phase, 40-70Hz | ||
| OUTPUT | Voltage/frequency range | 480VAC (3W), 50/60Hz auto-sensing | |
| Efficiency | Up to 96.5% online mode or 99% ECO mode | ||
| Overload capacity | 105%-110% for 60min; 110%-125% for 10min; 126%-150% for 1min; >150% for 200ms | ||
| BATTERY SYSTEM | Nominal voltage | +/-240VDC | |
| Charge Current (programable) | 18A | 18A | |
| DIMENSIONS & | UPS & battery cabinet (W x D x H) | 23.6 x 42 x 58 in 591 lbs (UPS) / 23.6 x 42 x 79 in 416 lbs (X90-BC) | |
| WEIGHTS | Power & battery module (W x D x H) | 17.2 x 29.5 x 5.1 in 106 lbs (PM) / 17.2 x 29.5 x 5.25 in 70 lbs (BM) | |
| ENVIRONMENT | Temperature | 0–40°C (32–104°F) | |
| Altitude | 5,200 ft above sea level | ||
| Audible noise (typical) | < 59dBA at 1m | ||
| APPROVALS | UL-1778, cUL, FCC A, RoHS, TAA | ||
| WARRANTY | 2 years (USA and Canada) | ||
| COMMUNICATIONS INTERFACE | RS-232, EPO, Relays, Intelligent slot for optional cards (Web/SNMP, Modbus) | ||