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Powerware 9355 UPS
Powerware 9355 UPS Power

Eaton Powerware 9355 UPS
Uninterruptable Power Supply Systems

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Powerware 9355 UPS
Powerware 9355 UPS Power System

The Powerware 9355 UPS is an advanced UPS system that delivers 10 kVA or 30 kVA of power protection in a sleek tower configuration which includes internal batteries. With such a small footprint, you have more options for locating the UPS and more data center space available for future expansion.

The innovative design of this UPS delivers the industry's best performance combination of high efficiency, low input current distortion and high power factor. The cumulative result of these advancements is maximum economy, adaptability, and power performance.

Best of all, this advanced technology comes in an easy-to-use product. Installation is easy. You can order the 10-15 kVAUPS with your choice of output receptacles, choosing from 18 types. Later, when you need to change or move data center equipment, simply unplug from the old receptacle, plug into a new one, and go. There's no need for an electrician to run new conduit and wiring.

The 20-30 kVA models offer features like dual-feed inputs, a 480-volt output transformer, and input and output breakers internal to the UPS.

Powerware 9355 UPS Features and Benefits:

  • The double-conversion online design of this "9-series" UPS completely isolates equipment from utility power to protect against all nine of the most common power problems, including outages, sags, surges, spikes, brownouts, line noise, frequency variation, switching transients, and harmonic distortion.

  • The space-saving, attractive design of this compact tower package delivers high power density per square foot. A small footprint also supports more location options, fast and easy installation, lower deployment cost, and more space available for future expansion.

  • A high 0.9 output power factor delivers more power than the vast majority of competitors'models. This UPS can actually power more equipment than other UPSs of equivalent VA rating that have lower power factors.

  • High efficiency (up to 92 percent across all load ranges) reduces utility costs and runs cooler, which in turn extends component life.

  • Low input current distortion (less than five percent total harmonic distortion, THD), allows maximum transfer of power between power source and protected load, and makes this UPS exceptionally friendly to generators.

  • Powerware Hot Sync technology allows you to parallel up to four equivalent UPS modules for extra capacity or redundancy, ensuring that critical systems are always protected. Parallel configurations can provide up to N+3 redundancy. No inter-module communication wiring is needed. Our patented load-sharing control distributes the load equally and ensures that loads remain fully protected even if a paralleled UPS is unavailable.

  • Eaton's exclusive ABM technology uses advanced battery management to significantly increase battery life, using an innovative three-stage charging technique that offers prolonged rest periods between charge phases, as well as temperature-compensated charging that optimizes recharge time.

  • Eaton's lightweight batteries are user-replaceable. One person, working alone, can replace a battery without disrupting data center operations or power to protected equipment. Extended Battery Modules can be added to extend battery backup time to hours, if desired.

  • The UPS comes with LanSafeń power management software that ensures data and system integrity, using an intuitive, graphical interface and SNMP (Simple Network Management Protocol) to provide control and visibility over multiple UPS products.

  • A complete suite of connectivity options enables secure remote monitoring over your existing LAN or Internet, with real-time performance indicators, prioritized shutdown, testing, and alerts delivered to your network management system, pager, or email.

  • Beyond the warranty period, optional extended service plans are available to match any need-from basic UPS and battery support to advanced remote monitoring with trending, customized UPS and battery capacity planning reports, and comprehensive power protection audits.

    Powerware 9355 UPS Technical Specifications:


Operational l
Nominal input voltage (Vac) 220/380, 230/400, 240/415 Vac three phase
Input voltage range  +20%, -20%
Operating frequency 50/60 Hz (45 to 65 Hz)
Input power factor0.99
Input current distortion  5% THD
Nominal output voltage 220/380, 230/400, 240/415 Vac three phase
Output voltage regulation▒2% static;
▒5% dynamic at 100% load change, <1 ms response time
Overload capacity 150% for 5 sec / 125% for 1 min (online),
1000% for 5 msec (bypass)
Efficiency92% with rated non-linear load
User interface
LCD-displayStd. Graphical LDC with blue back light
Standard communication ports 1 x RS232 for local support, 2 x X-slot (empty);
1 x relay contacts, 2 x input contacts, 1 x emergency power off input
Optional External battery cabinets;
Isolation transformer;
X-slot: SNMP/web, Modbus/Jbus, Relay card;
 Operating Temperature 0║C to +40 ║C
 Storage Temp -15░C to +40░C
 Altitude < 1000 M
 Audible Noise at 1 meter; <50 dB
Quality ISO 9001
Markings CE-marking
Safety IEC 62040-1-1, IEC 60950
EMC EN 50091-2 Class A

Part number 9355-8-N9355-8-N9355-8-N9355-15-N9355-20-N9355-30-N
Capacity (VA/watts) 8 / 7.210 / 912 / 10.815 / 13.520 / 1830 / 27
Dimensions HxWxD(mm) UPS + BAT




Weight (kg)

155 kg
265 kg

155 kg
265 kg

160 kg
270 kg

160 kg
270 kg

200 kg
300-500 kg

300 kg
400-500 kg
Input connection Hardwired
Output connection Hardwired
Typical runtime at +25 ║C.UPS + BAT15 min10 min8 min5 min5 min- min


33 min25 min20 min15 min13 min7 min
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Powerware 9355 UPS / Powerware 9355 UPS Power Solutions