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[Formerly Powerware FERRUPS Tower UPS]
Ideal for demanding applications such as 911 centers, global military installations, marine vessels, and other mission-critical applications that demand a high quality power backup system, the EATON FERRUPS TOWER UPS continually regulates voltage and eliminates harmful harmonic currents while providing unsurpassed performance as an industrial UPS system or a commercial UPS system. Featuring scalable runtimes and proven ferroresonant battery backup power, the EATON FERRUPS is highly configurable with a wide range of voltages, frequencies, runtimes, power cords, and receptacles.

Features & Benefits

  • Converts power from almost any AC source into computer-grade power
  • Ferroresonant technology closely monitors sine wave purity
  • External battery cabinets prolong backup time
  • Incoming power is conditioned without depleting the battery, thereby conserving battery power for complete power outages
  • Customizable receptacles, input plugs, voltage-matching transformers, and bypass switches provide compatibility with virtually any application
  • Provided with free software bundle that includes LanSafe and FORESEER network monitoring software to ensure highest levels of data integrity

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Product Snapshot

Power Rating 500 VA to 18KVA
Voltage 120/208/240
Frequency 60 Hz
Configuration Tower
Product Series Powerware


Technical Specs

Models 850VA / 1.4kVA / 3.1kVA / 5.3kVA
Capacity (kVA/kW) .85/.6, 1.4/1, 3.1/2.2, 5.3/3.7
Dimensions (inches)

HxWxD (mm)

12x10x21.25 / 15.1×15.2×20.2 / 21.2×15.25×22.9 / 29.5×15.5×25

305x255x540 / 385x390x515 / 540x390x585 / 36.5x19x32

Typical (Full Load) 11 / 14 / 14 / 20
Runtime: (Half Load)(minutes) 28 / 37 / 35 / 50
Nominal Input Voltage 102/208/240
Input Voltage Range +15%, -20%
Operating Frequency 60 Hz Nominal (adjustable limits +_ 0.01 Hz to +_ 3Hz
Nominal Output Voltage 102/208/240
Output Voltage Regulation

Output Voltage Waveform

± 3% for input voltages of +15% to -20%

Sine wave

Output Voltage THD 5% or less at rated kW load
Overload Capacity 150% surge and 125% for10 min. on line, 150% surge and 110% for 10 minutes on inverter
Transfer Time 0 ms
Lightning, Surge & Noise Protection 2000:1 spike attenuation using ANSI/IEEE C62.41 and C62.45 Category A and Category B tests.
Common Mode – >120 dB. Normal Mode – >60dB
Efficiency 85 / 88 / 91 / 90
Safety Certification UL, CSA (cUL), Complies with European Low Voltage Directive 73/23/EEC
EMI Compliance FCC Class A, Complies with European Electromagnetic Compatibility Directve 89/336/EEC
Testing Standards ANSI/EEE C62.41 (1991); ANSI/EEE C62.45 (2002); EN62040-2
Communication RS-232 serial port (DB-25), plus contact closures
Operating Temperature 0 to 40° C
Storage -20° C to +60° C
Relative Humidity 0 to 95% without condensation
Audible Noise at 1m 47 / 49 / 51 / 51
Altitude 3, 050m (10,000 ft.) maximum


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


Industries & Applications

500VA – 850VA & 1.4kVA – 18kVA

The EATON FERRUPS TOWER UPS is purpose-engineered for demanding applications such as 911 centers, global military installations, marine vessels, and other mission-critical applications that demand an industrial UPS system that is also a high quality power backup system for sensitive equipment. Applications include but are not limited to:

  • Police & fire emergency call centers
  • Military applications
  • “Lights-out” or “dark factory” manufacturing
  • Large data centers or IT systems
  • Critical network switching & processing equipment
  • Large-scale PLC controls

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