Description
The Eaton K4121200AKMX000 is a high-performance 9155 Series 12kVA online double-conversion UPS engineered to deliver continuous, clean power for mission-critical IT infrastructure, network equipment, telecommunications, healthcare, industrial automation, and enterprise applications. Its true online topology isolates connected equipment from power disturbances including outages, voltage sags, surges, harmonics, and frequency variations.
Designed for demanding environments, this UPS provides zero-transfer-time protection while maintaining stable voltage regulation for sensitive electronics. Intelligent battery management helps maximize battery life and system reliability, while scalable runtime options allow extended backup during prolonged outages. Advanced monitoring and communication capabilities simplify remote management and preventive maintenance.
Ideal for organizations requiring maximum uptime, the Eaton 9155 delivers dependable power protection with high efficiency and proven reliability.
Key Features
- True online double-conversion UPS technology
- 12kVA power capacity for critical applications
- Zero transfer time during power interruptions
- Clean sine wave output for sensitive equipment
- Intelligent battery management to extend battery life
- Scalable runtime with compatible external battery cabinets
- Advanced monitoring and communication options
- Suitable for data centers, healthcare, telecom, industrial, and enterprise environments
- High reliability for continuous business operations
| Specification | Details |
|---|---|
| Brand | Eaton |
| Series | 9155 |
| Manufacturer Part Number | K4121200AKMX000 |
| Product Type | Online Double-Conversion UPS |
| UPS Topology | Double Conversion (Online) |
| Power Capacity | 12kVA |
| Waveform | Pure Sine Wave |
| Transfer Time | Zero |
| Input Connection | Hardwired |
| Output Type | Hardwired |
| Battery Type | Internal Sealed Battery System |
| Extended Runtime | Yes, with compatible external battery cabinets |
| Battery Management | Intelligent Battery Management |
| Voltage Regulation | Continuous Online Regulation |
| Monitoring | LCD Display with Network Management Support |
| Communication Interfaces | USB, Serial, Optional Network Card |
| Form Factor | Tower |
| Application | Data Centers, Enterprise IT, Telecom, Industrial Control, Healthcare, Network Infrastructure |
| Cooling | Intelligent Forced-Air Cooling |
| Manufacturer Warranty | Limited Manufacturer 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
