M90S Custom

24kVA, 30kVA, 36kVA, 42kVA, 48kVA, 54kVA, 60kVA

208/120VAC Single-Phase Online UPS

Modular, Flexible UPS for Continuous Power Availability.


Xtreme Power M90S Custom UPS is a scalable, modular, customizable solution that combines continuous power availability and the highest efficiency for mission critical applications.

M90S Custom provides reliable 240/120V or 208/120V (2Ph+N+G) split phase power up to 60kW. Applications include Containerized Data Centers, Edge Computing and Cell Tower applications which do not have access to three phase utility or generator power.

Capacity, redundancy and battery runtime can all be customized to meet your specific needs. Hot swappable power and battery modules provide rapid maintenance and repair.


Product Snapshot

  • Capacities: 24kVA, 30kVA, 36kVA, 42kVA, 48kVA, 54kVA, 60kVA
  • Modular for capacity or redundancy
  • Unity output power factor (kVA =kW)
  • Hot swappable power and battery modules
  • Up to 98% ECO mode or 93% online efficiency
  • 3 years electronics, 3 years battery warranty (USA and Canada)

M90S has many advantages over competitive units: Eaton 9170, 9170 Plus, 9170+, APC Symmetra LX, Eaton 9XPM, Powerware ASY-0673, Powerware ASY-0529, Liebert APS. See below links for comparisons

Xtreme M90S – Vertiv APS Comparison
Xtreme M90S – Eaton 9PXM Comparison
Xtreme M90S – APC Symmetra LX Comparison

Six advantages of modular uninterruptible power supply (UPS) over conventional UPS systems

MODEL NUMBER M90S-30K M90S-36K M90S-42K M90S-48K M90S-54K M90S-60K
CAPACITY Power Rating 30kVA/30kW 36kVA/36kW 42kVA/42kW 48kVA/48kW 54kVA/54kW 60kVA/60kW
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
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) 16A 20A 24A 28A 32A 36A 40A
DIMENSION & WEIGHT Power Module 16.3”W x 24”D x 5.2”H / 38 lbs
Battery module 16.3”W x 24”D x 5.2”H / 107 lbs
Maintenance Bypass 17”W x 24”D x 5.25”H (3U) / 50 lbs
Control Module 11.2”W x 17.1”D x 1.7”H (1U) / 9 lbs
Battery 12U
ENVIRONMENT Temperature 0–40°C (32–104°F)**
Altitude 5,200 ft above sea level**
Audible noise < 58dBA at 1m
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 Maintenance Bypass, Custom Output Distribution, Start-up, and Extended warranty