Description
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 |
Payment & Security
Your payment information is processed securely, and we do not store credit card details or access your credit card information.
Return Policy (Short Summary)
We offer a 30-day return window for most unopened, factory-sealed items.
Returns must be authorized before shipping back and must include all original packaging and accessories. Opened or used items are not returnable unless defective.
Some products—such as custom orders, special-order items, audio gear, software, and LED video walls—are non-returnable. Non-defective returns may be subject to a 20–30% restocking fee, and customers are responsible for return shipping costs.
For damaged or incorrect items, please contact us immediately.
From Scope to Sign-Off
A structured delivery process designed to reduce risk and keep projects moving.
Plan
Discovery, site review, requirements gathering, and project alignment. We define scope, constraints, and success criteria before any design work begins.
- Discovery calls & stakeholder interviews
- On-site survey & infrastructure review
- Requirements & use-case documentation
- Project scope, timeline & milestone alignment
Engineer
System design, schematics, signal flow, BOM development, and documentation. Every project leaves this phase with a complete engineering package.
- AV system design & signal flow diagrams
- Equipment selection & BOM development
- Rack layout & control system design
- As-built documentation package
Deploy
Procurement, logistics, installation, programming, commissioning, and training. We own the delivery from first shipment to final handoff.
- Authorized procurement & logistics coordination
- Physical installation & cable management
- Control system programming & configuration
- Commissioning, testing & end-user training
Support
Monitoring, maintenance, lifecycle planning, and long-term service agreements. We stay engaged long after project close.
- 24/7 remote system monitoring
- Preventive & reactive maintenance
- Technology lifecycle & refresh planning
- Long-term service level agreements
A decade of delivery — trusted by 275+ clients across industries
