Description
The Eaton PW 9155 8 kVA UPS (Part Number: K40812000000000) is a high-performance, double-conversion online uninterruptible power supply engineered for critical IT and industrial applications. Featuring a robust 3-high 64-battery configuration, this UPS ensures continuous, clean power with a 91–92% efficiency rating and 7200W output capacity. With split-phase output options and compatibility with an optional input transformer module, the 9155 is built for flexible deployment in diverse electrical environments. Its user-friendly LCD interface, advanced monitoring software suite, and hot-swappable battery capability make it an ideal power protection solution for medium to large data centers, telecom, and edge IT infrastructure.
| Category | Specification |
|---|---|
| Part Number | K40812000000000 |
| Topology | Double-conversion Online |
| Rating (VA / Watts) | 8000 VA / 7200 W |
| Color | Black |
| Diagnostics | Full system self-test at startup |
| Efficiency | 92% (nominal linear load); 91% (typical/computer load) |
| UPS Bypass | Automatic on overload or UPS failure |
| Input Connection | Hardwired (requires neutral or optional input transformer) |
| Input Voltage Range | 200–240VAC with Neutral |
| Input Frequency | 45–65 Hz |
| Input Power Factor | >0.99 typical |
| Generator Compatible | Yes |
| Output Voltage Options | 100/200, 110/220, 120/240 (180°); 120/208, 127/220 (120°) |
| Output Voltage Regulation | ±1% static; ±5% dynamic |
| Overload Capacity | 150% for 5 sec, 125% for 1 min (online); 110% for 10 min |
| Waveform (Battery Mode) | Sine Wave |
| Transfer Time | 0 ms |
| Battery Type | 9Ah sealed lead-acid, maintenance-free |
| Battery Configuration | 64 batteries (3-high cabinet) |
| Battery Replacement | Field-replaceable |
| Recharge Time | Internal: ~3 hours to 80%; External: ≤10x discharge time to 90% |
| Start on Battery | Yes |
| Runtime | See Battery Runtime Chart |
| User Interface | LCD with blue backlight |
| LED Indicators | 4 LEDs for status and alarms |
| Audible Alarms | Yes |
| Communication Ports | (1) RS-232, (1) relay contact, (1) REPO, (2) environmental input |
| Expansion Slots | (2) X-Slot communication bays |
| Software | Intelligent Power Software Suite (CD included) |
| Dimensions (H x W x D) | 47.8 x 12 x 33.7 in |
| Weight | 590 lbs |
| Audible Noise | 53 dBA at 1 meter |
| Operating Temp | 10°C to +40°C (derating above +40°C) |
| Storage Temp | -15°C to +25°C |
| Relative Humidity | 0–95%, non-condensing |
| Certifications | UL, cUL, CSA, CE, NOM-NYCE |
| Warranty | 2-year factory warranty |
| In the Box | UPS Unit, Intelligent Power Software CD, User Guide |
Payment & Security
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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
