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Eaton 3S Technical Specifications
Uninterruptible Power Supply

Eaton 3S

Eaton 3S technical specifications
General
Topology Standby with high frequency converter
Configuration Desktop mini tower
Part Number 3S550
Color Black
Rating (VA/Watts) 550/330
Diagnostics Full system self-test at power up
Dimensions (H x W x D, inches) 3.4 x 5.5 x 13.2
Weight (lbs) 7.3
Warranty Three-year factory warranty with online product registration
Contents
(Ships with the following items)
1 ready-to-go UPS
USB Cable
User Guide
Electrical Input
Connection (1) 5-15P
Input Cord 6-foot line cord with 90° 5-15P
Input Voltage Range 89–151 Vac
Nominal Voltage 120
Frequency 50/60 Hz autoselect
Frequency Range 57–70 Hz for 50 Hz operation
57–70 Hz for 60 Hz operation
Power Draw of UPS 2.84A @120V
Electrical Output
Output Receptacles (4) 5-15R surge only
Over Current Protection Electronic current limit
On Utility Voltage Regulation 102–132 Vac
On Battery Voltage Regulation -10%, +6% of nominal
Power Factor 0.6
Efficiency (Normal Mode) >97%
Efficiency (on Battery) 75%
Frequency Regulation 0.1 Hz
Transfer Time 1–4 ms typical
Load Segments Two groups of two controlled outlets
Battery

Eaton 3S 550 VA:


Runtime
(minutes)
Load (watts)
Mouseover graph for detailed runtime values


Battery runtimes are approximate and may vary with equipment, configuration, battery age, temperature, etc.
Battery Type Sealed, lead-acid; maintenance free
Battery Replacement User replaceable batteries
Start On Battery Allows start of UPS without utility input
Communications
LEDs 1 status-indicating LED
USB Port As standard (HID)
Cables USB 6-foot communications cable included
Power Management Software Intelligent Power® Protector is included free of charge
Environmental & Standards
Surge Protection ANSI C62.41 Category A (formerly IEEE 587)
Audible Noise 50 dBA
Operating Temperature 0˚C (32˚F) to +40˚C (104˚F)
Safety Conformance UL 1778; UL497A; cUL
Safety markings UL; cUL, NOM
EMC Markings FCC Part 15 subpart B Class A
Storage Temperature 5˚F (-25˚C) to 122˚F (+50˚C)
Relative Humidity 20–93% non-condensing
Altitude Up to 10,000 ft (3000M) without de-rating