The EATON 9155 UPS can serve as a complete industrial UPS system or commercial UPS system, providing premium online backup power and scalable battery runtimes for electrical engineering infrastructure in medium-sized corporate, healthcare, banking, and industrial applications.

A premium emergency power supply system that packs maximum battery runtime into a very small space, the EATON 9155 UPS can be equipped with an integrated, customizable power distribution module that includes a maintenance bypass switch.

Features & Benefits

  • Extraordinary power density delivers a complete emergency power supply system in less space thanks to compact design, internal batteries, and integrated static and manual bypass switches
  • Optimal 0.90 output power factor reduces need to oversize your emergency power supply system
  • Enhanced compatibility with upstream equipment is achieved with active PFC, an extremely efficient 0.99 input power
    factor, and reduced ITHD
  • Proprietary Advanced Battery Management 3-stage charging system enhances backup reliability of your emergency power supply system by significantly extending battery lifetime.
  • Proprietary HotSync technology enables paralleling up to four 9155 UPSs for additional capacity or redundancy in your emergency power supply system
  • Ergonomically-designed and intuitive LCD interface and a wide range of connectivity options enhance the operator efficiency & safety of your emergency power supply system
  • High system efficiency and power density make the EATON 9155 UPS a sustainable solution to your emergency power supply system requirements

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Product Snapshot

Power Rating 8-15 KVA
Voltage 220-230-240V
Frequency 50/60Hz
Configuration Tower
Product Series Powerware


Technical Specs

Ratings (kVA/Watts) 8,10,12 and 15 kVA at 0.9 power factor
Topology True double-conversion online UPS
Nominal Input Voltage 200V-240V with neutral or with optional transformer
Input Voltage Range -15%, +10% from nominal at 100% load without depleting battery
Operating Frequency 50/60 Hz (45 to 65Hz)
Input Power Factor P.F>0.99 typical, >0.96 frequency converter
Input Current Distortion 5% THD
Nominal Output Voltage 100/200, 110/220, 120/240 Vac 180° phase displacement; 120/208, 127/220 Vac 120° phase displacement
Output Voltage Regulation ±1% Static; ±5% dynamic at 100% resistive load change,<1 ms response time
Efficiency 90% typical
Battery Type 9Ah, sealed, lead-acid, maintenance-free
Battery Runtime See Battery Runtime Chart
Battery Replacement Field-replaceable
Charger Default is 3.4A per battery string. Charger current is configurable from 0.5A to 25A per string with an overall
maximum of 34A (limited by input current)
Start-On-Battery Start-On-Battery Allows start of UPS without utility input
Diagnostics Full system self-test at startup
UPS Bypass Automatic on overload or UPS failure
Parallel for Redundancy and Capacity Yes, using Powerware Hot Sync technology
Dimensions and Weights See Model Selection Table
Overload 150% for 5 sec / 125% for 1 min (online), (Normal Operation) 110% for 10 min
Safety Certifications NOM-0190SCFI-1993, UL 1778, CSA C22.2, No. 107.3; EN 5502 Class A (CISPR22 Class A) and IEC 60950;
IEC 62040-1-1
EMC Compliance IEC 62040-2, FCC Part 15, ICES-003, VCCI
Quality ISO 9001: 2000 and ISO 14001:1996
Markings UL, cUL, CSA, CE and NOM-NYCE


1. Due to continuous product improvements, program specifications are subject to change without notice.


Industries & Applications

A powerful solution for medium-sized banking centers, clinics & hospitals, financial institutions, and other users who require a complete industrial UPS system or commercial UPS system, the EATON 9155 UPS is also rugged & robust enough for demanding marine applications. Perfect for uses including but not limited to:

  • Medium-sized data centers, IT systems, or telecom closets
  • Network switching & processing equipment
  • PLC controls
  • High-quality power backup system for AS-400 systems



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EATON 9155 Datasheet
EATON 9155 Datasheet
Version 1
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