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Eaton 3S 850B 850 VA

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Eaton 3S 850B 850 VA
3/Pulsar (reserve)type GUSB Acold start
550 VA700 VA850 VA
Main
Typeback
Form factorregular (extension)
Full load operating time4 min
Half load operating time8 min
Switching to battery10 ms
Input
Input voltage1 phase (230V)
Input voltage range161 – 284 V
Max. current10 А
Bypass (direct connection)is absent
Output
Output voltage1 phase (230V)
Peak output power850 VA
Rated output power510 W
Efficiency98 %
Output waveformsimilar to a sinusoid (approximated)
Output frequency50/60 Hz
Redundant sockets4
Non-redundant sockets4
Socket typetype G (UK)
Charging USB A ports2
Battery
1st battery voltage12 V
Total battery capacity9 Ah
Number of batteries1
Cold start
Battery hot swap
Protection
Protectionshort circuit protection
overload protection
noise filtering
data line protection
sound alarm
Fuseauto
Control interfacesUSB
General
Operating temperature0 – 40 °C
Dimensions (HxWxD)86x170x335 mm
Weight4.3 kg
Official Websiteeaton.com
Added to E-Catalogjanuary 2024
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Eaton 2025 - new arrivals, bestsellers, and the most relevant models Eaton.
How to choose UPSMethods for choosing UPS for boiler, computer, refrigerator and other equipment
How to calculate the battery life of home and computer equipmentHow long will a conditional computer or refrigerator last from the UPS during power outages?

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Eaton 3S 850B UPS - Off Line Uninterruptible Power Supply - 3S850B - 850VA 8 BS outlets 2 USB Type-A ports Quiet Shutdown so

Battery backup during power outages and unsafe voltage fluctuations, as well as protection from damaging surges and spikes -... moreIdeal for the protection of: desktop computers, wireless networks, internet routers, printers, gaming consoles and other electronics Power: 850 VA / 510 Watts - Standard runtime: 20 minutes Power supply with 8 total BS outlets: 4 battery backup + 4 surge only + 2 USB Type-A ports / Data line (RJ45) surge suppression to protect against dangerous surges traveling along data linesUSB port (HID-compliant) for automatic integration with most common operating systems Delivery Contains: 8 BS outlets UPS + 2 USB Type-A ports + USB cord + Quick start + safety instructions 2 years standard warranty
Amazon.co.uk
Delivery: to United Kingdom
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£125.10
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Eaton 3S850B uninterruptible power supply (UPS) Standby (Offline) 0.85

PowerOutput power510 WInput operation voltage (min)184 VInput operation voltage (max)264 VOutput operation voltage (min)220 V... moreOutput operation voltage (max)230 VEfficiency98%Output power capacity0.85 kVAPorts & interfacesCable length1.5 mUSB portYesAC outlets quantity8 AC outlet(s)USB 2.0 ports quantity2PerformanceUPS topologyStandby (Offline)Number of output phases1Number of input phases1LED indicatorsYesSurge protectionYesPower protection featuresOverdischargeNoise level25 dBFeaturesOutput
itsupplies.uk
Delivery: to United Kingdom
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£103.00
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Eaton 3S850B uninterruptible power supply (UPS) Standby (Offline) 0.85 kVA 510 W 8 AC outlet(s)

3S 850 British Sockets
Quzo.co.uk
Delivery: to United Kingdom
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£125.52
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Eaton 3S850B - 3S Gen2 Desktop UPS Uninterruptible Power Supply

The Eaton 3S Gen2 range offers affordable and reliable UPS for home and small business. This offline UPS provides surge and p... moreower protection for internet gateways, desktop computers, and other critical electronics.
OfficeStationery.co.uk
Delivery: in United Kingdom
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£128.51
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Eaton 3S850B uninterruptible power supply (UPS) Standby (Offline) 0.85

Eaton 3S850B uninterruptible power supply (UPS) Standby (Offline) 0.85 kVA 510 W 8 AC outlet(s)
ComputersDeal.com
Delivery: in United Kingdom
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£128.08
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Eaton 3S850B - 3S Gen2 Desktop UPS Uninterruptible Power Supply 510W/850VA

Wall mounting Battery for easy replacement access Complete high end surge protection Backup power for up to 4 devices
Amazon.co.uk
Delivery: to United Kingdom
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£129.31
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Series Eaton 3/Pulsar (reserve)Compare using chart →
Eaton 3S 850DIN
from £111.92 
standby, signal: similar to a sinusoid, power: 850 VA, effective 510 W, battery: 9 Ah, batteries 1, sockets: type F (Schuko), with reserve 4, without reserve 4, USB A
Eaton 3S 850 FR
from £102.43 
standby, signal: similar to a sinusoid, power: 850 VA, effective 510 W, battery: 9 Ah, batteries 1, sockets: type E (FR), with reserve 4, without reserve 4, USB A
Eaton 3S 550 FR
from £87.58 
standby, signal: similar to a sinusoid, power: 550 VA, effective 330 W, battery: 5 Ah, batteries 1, sockets: type E (FR), with reserve 3, without reserve 3
Eaton 3S 700 FR
from £104.87 
standby, signal: similar to a sinusoid, power: 700 VA, effective 240 W, battery: 7 Ah, batteries 1, sockets: type E (FR), with reserve 4, without reserve 4, USB A
Eaton 3S 450 FR
from £66.71 
standby, signal: similar to a sinusoid, power: 450 VA, effective 270 W, battery: 4.5 Ah, batteries 1, sockets: type E (FR), with reserve 3, without reserve 3
Eaton 3S 550B
from £73.71 
standby, signal: similar to a sinusoid, power: 550 VA, effective 330 W, battery: 5 Ah, batteries 1, sockets: type G (UK), with reserve 3, without reserve 3
Eaton 3S 850B
from £103.00 
standby, signal: similar to a sinusoid, power: 850 VA, effective 510 W, battery: 9 Ah, batteries 1, sockets: type G (UK), with reserve 4, without reserve 4, USB A
Eaton 3S 700B
from £86.71 
standby, signal: similar to a sinusoid, power: 700 VA, effective 420 W, battery: 7 Ah, batteries 1, sockets: type G (UK), with reserve 4, without reserve 4, USB A
Eaton 3S 550IEC
from £78.32 
standby, signal: similar to a sinusoid, power: 550 VA, effective 330 W, battery: 5 Ah, batteries 1, sockets: C13/C14 with reserve, C13/C14 without reserve
Eaton 3S 700IEC
from £93.79 
standby, signal: similar to a sinusoid, power: 700 VA, effective 420 W, battery: 7 Ah, batteries 1, sockets: C13/C14 with reserve, C13/C14 without reserve
Eaton 3S 700DIN
from £93.24 
standby, signal: similar to a sinusoid, power: 700 VA, effective 420 W, battery: 7 Ah, batteries 1, sockets: type F (Schuko), with reserve 3, without reserve 3
Eaton 3S 550DIN
from £78.32 
standby, signal: similar to a sinusoid, power: 550 VA, effective 330 W, battery: 5 Ah, batteries 1, sockets: type F (Schuko), with reserve 3, without reserve 3
Eaton 3S 450DIN
from £72.11 
standby, signal: similar to a sinusoid, power: 450 VA, effective 270 W, battery: batteries 1, sockets: type F (Schuko), with reserve 3, without reserve 3
AccessoriesAll accessories for Eaton 3S 850B →

Eaton 3S 850B configurations

Price for Eaton 3S 850B
Eaton 3S 550B 550 VAfrom £73.716 offers
Eaton 3S 700B 700 VAfrom £86.715 offers
Eaton 3S 850B 850 VAfrom £103.006 offers
SimilarCompare using chart →
APC Back-UPS 850VA BE850G2-IT
from £102.78 
standby, signal: similar to a sinusoid, power: 850 VA, effective 520 W, battery: 7.7 Ah, batteries 1, sockets: type F (Schuko), with reserve 6, without reserve 2, USB A, USB C
Eaton 3S 850 FR
from £102.43 
standby, signal: similar to a sinusoid, power: 850 VA, effective 510 W, battery: 9 Ah, batteries 1, sockets: type E (FR), with reserve 4, without reserve 4, USB A
APC Back-UPS 850VA BE850G2-UK
from £107.65 
standby, signal: similar to a sinusoid, power: 850 VA, effective 520 W, battery: 9 Ah, batteries 1, sockets: type G (UK), with reserve 6, without reserve 2, USB A, USB C
APC Back-UPS 850VA BE850G2-GR
from £101.83 
standby, signal: similar to a sinusoid, power: 850 VA, effective 520 W, battery: 9 Ah, batteries 1, sockets: type F (Schuko), with reserve 6, without reserve 2, USB A, USB C
Conceptronic ZEUS09E
from £111.09 
standby, signal: sinewave, power: 850 VA, effective 490 W, battery: 6 Ah, batteries 1, sockets: type F (Schuko), with reserve 3, without reserve 3
Salicru SPS 850 Home
from £80.99 
standby, signal: similar to a sinusoid, power: 850 VA, effective 490 W, battery: 5.6 Ah, batteries 1, sockets: type F (Schuko), with reserve 4, without reserve 2
Riello IPG 800 UK
from £91.26 
standby, signal: similar to a sinusoid, power: 800 VA, effective 480 W, battery: no battery, 9 Ah, batteries 1, sockets: type G (UK), with reserve 3, without reserve 3, C13/C14 with reserve
APC Back-UPS CS 500VA BK500EI
from £114.97 
standby, signal: similar to a sinusoid, power: 500 VA, effective 300 W, battery: 7 Ah, batteries 1, sockets: C13/C14 with reserve, C13/C14 without reserve
Eaton 3S 850DIN
from £111.92 
standby, signal: similar to a sinusoid, power: 850 VA, effective 510 W, battery: 9 Ah, batteries 1, sockets: type F (Schuko), with reserve 4, without reserve 4, USB A
APC Smart-UPS 2200VA SMT2200I
from £983.19 
smart, signal: sinewave, power: 2200 VA, effective 1980 W, battery: 7 Ah, batteries 4, sockets: C13/C14 with reserve, C19/C20 с резервом 1
APC Smart-UPS 5000VA SUA5000RMI5U
from £3,277.00 
smart, rack, signal: sinewave, power: 5000 VA, effective 4000 W, battery: 17 Ah, batteries 8, sockets: C13/C14 with reserve, C19/C20 с резервом 2
APC Smart-UPS 750VA SMT750RMI2U
from £464.58 
smart, rack, signal: sinewave, power: 750 VA, effective 500 W, battery: 7 Ah, batteries 2, sockets: C13/C14 with reserve