Skip to content
sudopicks
esc

Eaton 3S Gen2 UPS 3S550B vs Tecnoware ERA PLUS 1200 UK (FGCERAPL1202UK)

Researched, not hands-on tested.How we review ›

both judged against UPS units at a similar price

The Eaton 3S Gen2 UPS 3S550B scores 5.6/10 overall, ahead of the Tecnoware ERA PLUS 1200 UK (FGCERAPL1202UK) at 4.9/10.

The Eaton 3S Gen2 UPS 3S550B leads on NAS and server integration and UK outlets and build.

The Tecnoware ERA PLUS 1200 UK (FGCERAPL1202UK) leads on topology and waveform and capacity.

They score the same on runtime and battery.

The biggest difference is NAS and server integration, where the Eaton 3S Gen2 UPS 3S550B scores 7/10 to the Tecnoware ERA PLUS 1200 UK (FGCERAPL1202UK)'s 3/10.

Eaton 3S Gen2 UPS 3S550B

5.6/10verdict: skip

The Eaton 3S Gen2 3S550B is a small standby UPS for a home desk or a compact homelab. It suits someone protecting a NAS, router and switch who wants USB-triggered shutdown and a user-replaceable battery. It doesn't suit anyone who needs a confirmed waveform, a published runtime or network management.

Typically about £83.99 in the UK when we researched itCheck price at Amazon UK (opens in a new tab, affiliate link)

Affiliate link. As an Amazon Associate I earn from qualifying purchases. Details

Tecnoware ERA PLUS 1200 UK (FGCERAPL1202UK)

Tecnoware ERA PLUS 1200 UK (FGCERAPL1202UK)

4.9/10verdict: skip

The Tecnoware ERA PLUS 1200 UK is for people who want a small line-interactive UPS with UK sockets to cover a few devices. It suits a small, simple load where a short ride-through and basic mains regulation are the goal. It is a weaker fit for anyone who needs documented NAS or NUT shutdown support.

Typically about £82.84 in the UK when we researched itCheck price at Amazon UK (opens in a new tab, affiliate link)

Affiliate link. As an Amazon Associate I earn from qualifying purchases. Details

Scores, criterion by criterion

CriterionWeightEaton 3S Gen2 UPS 3S550BTecnoware ERA PLUS 1200 UK (FGCERAPL1202UK)
Topology and waveform25%4/105/10
NAS and server integration25%7/103/10
Capacity20%6/107/10
Runtime and battery15%5/105/10
UK outlets and build15%6/105/10
Overall5.6/104.9/10

Specifications

SpecEaton 3S Gen2 UPS 3S550BTecnoware ERA PLUS 1200 UK (FGCERAPL1202UK)
Capacity (VA / W)550 VA / 330 W1200 VA nominal; 840 W active power (datasheet also shows a conflicting 360 W figure)
TopologyOffline/StandbyLine interactive with stabiliser (AVR)
Output waveformnot listedModified sinewave
Outlets6 UK outlets: 3 with battery backup and surge protection, 3 surge-only2 UK outlets plus one fixed UK BS13 input cable
Runtime at half loadnot listed10-40 min typical (load not stated by manufacturer)
USB / network managementUSB port (HID-compliant), Eaton UPS Companion software, auto shutdown function; no Ethernet or network cardOne USB port; included TecnoManager software; USB reports mains failure and low battery to a computer
Battery12 V / 5 Ah sealed VRLA, one battery, user replaceableSealed lead-acid, maintenance free, 12V 9Ah, replaceable

Strengths and weaknesses

Eaton 3S Gen2 UPS 3S550B

  • + USB port is HID-compliant, with automatic shutdown support
  • + Battery is a single user-replaceable sealed unit
  • + Six UK outlets, three of them with battery backup
  • − Offline/standby topology; Gen2 waveform not confirmed by Eaton
  • − Half-load runtime isn't published by the manufacturer
  • − No Ethernet port or network card

Skip it if:

  • Buyers who need a confirmed pure sine wave output
  • Anyone needing network-card monitoring for several servers
  • Users who need a published runtime figure before buying
Read the full Eaton 3S Gen2 UPS 3S550B review ›

Tecnoware ERA PLUS 1200 UK (FGCERAPL1202UK)

  • + 840 W active power rating on a 1200 VA unit
  • + Replaceable 12V 9Ah sealed lead-acid battery
  • + Owners describe it as reliable and quiet
  • − Modified sinewave output
  • − NAS and NUT compatibility not published; owners report USB recognition problems
  • − Only two UK outlets

Skip it if:

  • Anyone who needs documented Synology, QNAP, TrueNAS or NUT automatic shutdown support
  • Buyers powering servers or workstations with active-PFC power supplies
  • Anyone who needs more than two outlets or wants a pure sine output
Read the full Tecnoware ERA PLUS 1200 UK (FGCERAPL1202UK) review ›

More comparisons

Compare all UPS units · Best UPS units