Description
The Eaton 9155 12kVA Online UPS is a high-performance single-phase uninterruptible power supply designed to protect mission-critical IT infrastructure, network equipment, communications systems, and industrial applications. Utilizing true double-conversion online technology, it continuously delivers clean, regulated power while shielding connected equipment from outages, voltage fluctuations, surges, and electrical noise.
This configuration features a 12kVA / 10.8kW power capacity with a hardwired input, four NEMA 5-20R output receptacles, an integrated maintenance bypass (MBP), and a PXGX network management card for remote monitoring and power management. Eaton's advanced battery management technology helps maximize battery life while reducing maintenance costs, making it an excellent solution for data centers, server rooms, healthcare facilities, and enterprise environments requiring maximum uptime.
| Specification | Details |
|---|---|
| Brand | Eaton |
| Manufacturer Part Number | K4121103BXXX000 |
| Product Series | 9155 |
| Product Type | Double-Conversion Online UPS |
| UPS Topology | Online Double Conversion |
| Power Capacity | 12 kVA |
| Output Power | 10.8 kW |
| Power Factor | 0.9 |
| Input Connection | Hardwired |
| Output Receptacles | 4 × NEMA 5-20R |
| Maintenance Bypass | Included |
| Network Management | PXGX Network Management Card |
| Waveform | Pure Sine Wave |
| Transfer Time | 0 ms |
| Battery Type | Maintenance-Free Sealed Lead-Acid |
| Battery Management | Advanced Battery Management (ABM) |
| Form Factor | Tower |
| Communications | Network Management, RS-232, Relay Contacts |
| LCD Display | Yes |
| Application | Data Centers, Enterprise IT, Network Closets, Industrial Systems, Healthcare, Telecommunications |
| Warranty | 2-Year Factory 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
