Description
The Eaton 9355 Double-Conversion Online UPS delivers robust, enterprise-grade power protection for mission-critical environments requiring continuous uptime and high efficiency. Designed for three-phase applications, this 27kW external UPS provides consistent 208V input and output power, ensuring clean and stable energy for sensitive IT infrastructure, healthcare systems, financial institutions, and industrial operations.
With true online double-conversion technology, the Eaton 9355 eliminates power disturbances by continuously converting incoming AC to DC and back to AC, protecting connected equipment from outages, surges, and voltage fluctuations. Its scalable architecture and hardwired configuration make it ideal for data centers and facilities that demand reliability, flexibility, and long-term operational efficiency.
Equipped with an intuitive LCD interface, serial communication options, and emergency power-off (EPO) capability, this UPS enables seamless monitoring and control. Combined with maintenance-free sealed lead-acid batteries and high operating efficiency, the Eaton 9355 helps reduce downtime risks while optimizing total cost of ownership.
| Specification | Details |
|---|---|
| Brand | Eaton |
| Product Series | 9355 |
| Product Type | Double Conversion Online UPS |
| UPS Topology | Online Double Conversion |
| Form Factor | External, Hardwired |
| Phase | Three Phase |
| Load Capacity | 27 kW |
| Input Voltage | 208 V AC |
| Output Voltage | 208 V AC |
| Input Frequency | 50/60 Hz |
| Efficiency | Up to 91% |
| Display Type | LCD Display |
| Status Indicators | LED Indicators |
| Communication Interfaces | DB-9 RS-232, Relay Contact |
| Serial Port | Included |
| EPO Port | Included |
| Battery Type | Maintenance-Free Sealed Lead-Acid |
| Battery Capacity | 9000 mAh |
| Maximum Operating Temperature | 104°F (40°C) |
| Noise Level | 56 dB(A) |
| Color | Black |
| Certifications | UL 1778, cULus, IEC 61000-4-5, ANSI C62.41, ISO 9001, ISO 14001, NOM-NYCE, FCC Part 15 Class A |
| Application Use | IT, Infrastructure, Healthcare, Banking, Industrial |
| Condition | New and Factory Fresh |
| Shipping Weight | 60 lbs |
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.
Building a Complete AV System?
This product is rarely deployed alone. It’s typically part of a fully integrated AV system. AVENDOR designs, integrates, and supports end-to-end environments—from single rooms to enterprise-wide deployments.
- System Design & Engineering
- Installation & Integration
- Programming & Ongoing Support
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