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Eaton S3M100K 100kVA 3-Phase 208/220V Online Double-Conversion UPS - Unity PF, External Battery Required

by Eaton

The Eaton S3M100K is a high-performance, 3-phase 100kVA/kW online double-conversion UPS engineered for critical IT, industrial, and commercial environments. Designed with IGBT rectifier technology and voltage- and frequency-independent (VFI) operation, it delivers clean, continuous power to protect your most vital systems.

With ENERGY STAR® 2.0 certification, up to 98% efficiency in ECO mode, and a best-in-class compact footprint, the S3M100K helps reduce operating costs while maximizing server rack space. It features a unity power factor (1.0), color touchscreen LCD, and support for parallel operation up to 6 units for N+N redundancy or 600kVA total capacity. External battery cabinets (sold separately) provide customizable runtime, making this UPS ideal for data centers, edge computing, healthcare, banking, and education sectors.

Specification Details
Model S3M100K
UPS Type Online Double-Conversion (VFI)
Power Capacity 100kVA / 100kW (Unity PF 1.0)
Input Voltage 120/208V or 127/220V 3-Phase Wye
Output Voltage 120/208V or 127/220V 3-Phase Wye
Voltage Regulation ±1% (Online); ±10% (ECO); ±1% (Battery)
Frequency 50/60 Hz Auto-Selectable
Efficiency Up to 94% (Online); Up to 98% (ECO)
Crest Factor 3:1
Bypass Options Automatic and Maintenance
Battery Type External (Required - Sold Separately)
Compatible Battery Cabinets BP240V65L, BP240V100L (and NIB variants)
DC System Voltage ±120VDC
LCD Display 5" Color Touchscreen with 7 Sub-Screens
Cooling Forced air (Fans)
Parallel Capability Yes – Up to 6 Units (600kVA Max or N+N Redundancy)
Remote Management Optional WEBCARDLXMINI, SNMP, RS-232, USB, Modbus
Form Factor Tower
Dimensions (H x W x D) 1600 x 600 x 850 mm (62.99 x 23.62 x 33.46 in.)
Weight 321.14 kg (708 lbs)
Certifications ENERGY STAR, UL 1778, CE, FCC, RoHS, REACH
Operating Temp 0° to 40°C (32° to 104°F)
Warranty 2-Year Limited Warranty

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