Description
The Eaton 9355 UPS is a high-performance, double-conversion online backup power system designed for critical IT, healthcare, financial, and industrial applications. Delivering 8kVA of three-phase power in a compact tower form factor, it provides 29.8 minutes of runtime at full load and features 12 x NEMA 5-20R outlets. Its advanced design supports input voltages of 380V, 400V, and 415V AC, with 230V AC output. Ideal for maximizing uptime, the Eaton 9355 also offers optional integrated power distribution and maintenance bypass capabilities.
| Specifications | Details |
|---|---|
| Manufacturer | Eaton Corporation |
| Part Number | K4081203BBBX000 |
| Brand Name | Eaton |
| Product Series/Model | 9355 |
| Product Type | Double Conversion Online UPS |
| Form Factor | Tower |
| Load Capacity | 8000 VA (8kVA) |
| Input Voltage | 380V AC, 400V AC, 415V AC |
| Output Voltage | 230V AC |
| Backup Time (Full Load) | 29.80 Minutes |
| Plug/Connector Type | 3PH + N + PE |
| Receptacle Type | NEMA 5-20R |
| Receptacle Details | 12 x NEMA 5-20R |
| Height | 47.8 in (121.4 cm) |
| Width | 12 in (30.5 cm) |
| Depth | 33.7 in (85.6 cm) |
| Weight | 590 lb (267.6 kg) |
| Shipping Weight | 640 lb (290.3 kg) |
| Product Condition | New and Factory Fresh |
| 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
