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Eaton PW 9155 8 kVA UPS with 64 Batteries (3-High) - K40812000000000

by Eaton

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

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