Description
The Eaton Powerware 9155 External Power Array Cabinet (K4121200S000000) is a robust 10.8 kW power distribution solution designed for high-performance IT environments and critical systems. Engineered for seamless integration with the Eaton 9155 12-kVA UPS, it includes 64 factory-installed 9Ah lead-acid batteries and dual X-Slot expansion options. With a compact footprint and hardwired plug/receptacle configuration, it ensures reliable power with advanced control through a built-in RS-232 interface. CE, UL, and ISO compliant, this power array is a trusted component in demanding data center or enterprise setups.
| Specification | Details |
|---|---|
| Brand | Eaton |
| Model | Powerware 9155 |
| Part Number | K4121200S000000 |
| Power Capacity | 10.8 kW / 12000 VA |
| Input Voltage | 100/110/120/127/200/208/220/240 V |
| Output Voltage | 100/110/120/200/220/240 V |
| Input/Output Frequency | 50/60 Hz |
| Plug/Receptacle Type | Hardwired |
| Interface | RS-232 (DB-9) |
| Expansion Slots | 2 x X-Slot (free) |
| Battery Type | 64 x Lead Acid, 9 Ah (installed and supported) |
| Color | Black |
| Sound Emission | 53 dBA |
| Dimensions (H x W x D) | 47.6" x 12" x 33.7" |
| Weight | 590.8 lb (shipping weight: 640 lb) |
| Certifications | UL, CE, CSA, FCC, NOM, VCCI, ISO 9001/14001, IEC, CISPR |
| Compatibility | Eaton Powerware 9155 12-kVA UPS |
| Warranty | 2-Year Limited Warranty |
| Country of Origin | United States |
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
