Eaton 3P900UI 900 VA UPS

900 VA · 540 W W · Standby (Offline) · 4

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Capacity 900 VA
Wattage 540 W
Topology Standby (Offline)
Outlets 4
Output waveform Stepwise

Eaton 3P900UI 900 VA UPS is a standby (offline) UPS rated 900 VA (540 W). Add up what you plug in (PC, monitor, router) and keep it under about 70% of the watt rating, so it doesn't run flat in seconds during a power cut. It came out in 2025.

Released: 2025-03-22

Specifications

Key specs

Capacity: 900 VA
Wattage: 540 W
Topology: Standby (Offline)
Outlets: 4
Output waveform: Stepwise
Released: 2025-03-22
Part number: 3P900UI
EAN / UPC: 3553340621376

Features

UPS topology: Standby (Offline)
Output power capacity: 0.9 kVA
Output power: 540 W
Waveform: Stepwise
Input operation voltage (min): 161 V
Input operation voltage (max): 284 V
Input frequency: 46/70 Hz
Output operation voltage (min): 161 V
Output operation voltage (max): 284 V
Output frequency: 50/60 Hz
Power consumption (average operating): 16.7 W
Number of input phases: 1
Number of output phases: 1
Efficiency: 97%
Efficiency (ECO mode): 97%
Output power factor: 0.6
Noise level: 25 dB
Surge protection: Yes
Auto shut-off: Yes

Ports & interfaces

AC outlet types: C3 coupler
AC outlets quantity: 4 AC outlet(s)
USB port: Yes
USB 2.0 ports quantity: 2
USB port type: USB Type A/USB Type-C
Ethernet LAN (RJ-45) ports: 1

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Battery

Battery capacity: 9 Ah
Battery voltage: 12 V

Design

Form factor: Tower
Product colour: Black
Display type: LED

Operational conditions

Operating temperature (T-T): 0 - 40 °C

Weight & dimensions

Width: 81 mm
Depth: 235 mm
Height: 263 mm
Weight: 3.9 kg

Other features

Input connection type: C14
Nominal input voltage: 220-240 V
Relative humidity: 0 - 95%

Check the manufacturer's page before buying.

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3P900UI vs similar UPS

	Eaton 3P900UI 900 VA UPS	Eaton 3P Ellipse 900	Eaton 3P Ellipse	Eaton 3P Ellipse 700
Capacity	900 VA	900 VA	900 VA	700 VA
Wattage	540 W	540 W	540 W	420 W
Topology	Standby (Offline)	Standby (Offline)	Standby (Offline)	Standby (Offline)
Outlets	4	4	4	4
Output waveform	Stepwise	Stepwise	Stepwise	Stepwise
Released	2025	2025	2025	2025