Eaton Ferrups FX UPS P-164000906 Eaton Ferrups FX User’s Guide P-164000906—Rev 05
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Table 30. Electrical Input Specifications
Input Voltage Limits
Nominal Input Voltage
Minimum
Maximum
120VAC
88VAC
144VAC
Nominal Frequency
Online: 60 Hz, Output frequency tracks input line frequency up to limit, which is adjustable from
±0.01 Hz to ±3.00 Hz. Inverter turns on if line frequency exceeds the selected limit. On inverter:
60 Hz (FX) ±0.03 Hz.
Nominal Frequency Limits
Nominal Output Frequency
Minimum
Maximum
60Hz
57Hz
63Hz
Inrush Current
Inrush current at power up < 250 amps for one cycle.
Input Current Limits
FX3100 120V in / 120V Out
3.1kVA / 2.2kW
30 Amps
Input Current THD
<10% at full resistive load, under normal operating conditions and with the batteries fully
charged with the charger in the off mode.
Input Power Factor
Input power factor shall be the load power factor when batteries are fully charged.
TVSS Input Noise
Suppression
EN 60950 and IEC62040-1 (contained in EN60950)
IEEE C62.41
Joule Rating shall be 150 Joules per UPS chassis
Inrush Current
Inrush current at power up < 250 amps for one cycle.
ABF Protection
Anti Backfeed protection compliant with UL1778, 5th ED
Regulation
±3% load regulation (under any line, load, or battery condition to within -8.3% and +5% of
nominal)
Voltage Waveform
Sine wave; <5% THD at rated linear loads, computer-grade power
DC Input Protection
DC fuse and battery charger fuse
UPS Startup
The Eaton Ferrups FX UPS will start with no internal batteries and an AC input source.
The Eaton Ferrups FX UPS will not start with only batteries and no AC input source.
Table 31. Electrical Output Specifications
Voltage Regulation
Output Voltage Regulation in battery mode operation shall be < 5%
Output voltage regulation on line shall be < 5% of nominal voltage .
Output Frequency
60Hz Only
Output Frequency
Regulation
± 3 Hz of Nominal Frequency
Output Protection
The ferroresonant transformer inherently limits current and provides overload protection. The
Eaton Ferrups FX UPS has high AC and low AC output voltage alarms, as well as an overload
alarm. If the AC output voltage falls below the low AC output voltage alarm setpoint, the UPS
sounds an alarm after 5 seconds. If the AC output voltage falls below the low AC output
shutdown setpoint, the UPS sounds an alarm and shuts down. Some models have output
receptacles protected by fuses or circuit breakers.
