UPS Uninterruptible Power Supplies

An uninterruptible power supply, commonly known as UPS Power Supply is easy to install a device that is designed to provide power to your computers, servers, server rooms and data centres in case of main energy failure, electrical surge or unexpected energy cut off. These devices contain a battery that guarantees power to your computer system for a certain period of time, creating an extended run long enough to shutdown software or for saving the current task and shutting off the computer. For further reading, see our complete guide to uninterruptible power supplies (UPS)

UPS Uninterruptible Power Supply Types?

There are several types of UPS system solutions available:

  • Online UPS - A system of supplying power by converting AC input (utility power) to DC and reconverting it to stable AC by the inverter while constantly charging the batteries. Supplies power without momentary power breaks in the event of a power outage.
  • Standby UPS - A system where, normally AC input (utility power) is output as is to connected devices and when a power outage or abnormal voltage is detected, inverter starts feeding using power from the batteries. In the event of a power outage, a few milliseconds of momentary break occurs in AC output.
  • Parallel processing UPS - While power from AC input (utility power) is supplied, the bidirectional inverter connected in parallel corrects voltage and absorbs noise. Because this is the online inverter (parallel) system, it has both high efficiency and high reliability.
  • Hybrid UPS - This system consists of three modes: double conversion mode, economy mode, and active filter mode. The UPS automatically selects the power feeding mode to best suit the power situation and load conditions. It is possible to shift between the respective modes with no momentary break in output voltage. Double conversion mode is selected when the power situation is poor and economy mode is selected when the power situation is good.

How to choose the right UPS device

A UPS power supply may vary in the backup time, size, numbers and type of communication ports.


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Description Price Model Power Rating Input Voltage VA Rating Output Voltage Mounting Type Backup Time Network Compatibility Current Rating Number of Outlets Type Length Width Depth
RS Stock No. 459-819
Mfr. Part No.IDG 800/RS
BrandRiello
£78.26
Each
Units
iDialog 480W 220 → 240V ac 800VA 230V Stand Alone - - - 4 Line Interactive, Offline 192mm 90mm 232mm
RS Stock No. 869-4993
Mfr. Part No.NPW 800
BrandRiello
£82.03
Each
Units
Net Power 480W 220 → 240V ac 800VA 230V Desktop - - - 4 Line Interactive 142mm 100mm 287mm
RS Stock No. 459-815
Mfr. Part No.IDG 600/RS
BrandRiello
£64.05
Each
Units
iDialog 360W 220 → 240V ac 600VA 230V Stand Alone - - - 4 Line Interactive, Offline 192mm 90mm 232mm
RS Stock No. 498-7175
Mfr. Part No.IPG 600 UK/RS
BrandRiello
£96.71
Each
Units
iPlug 360W 220 → 240V ac 600VA 230V Stand Alone - - - 8 - 99mm 175mm 313mm
RS Stock No. 869-4997
Mfr. Part No.NPW 1000
BrandRiello
£180.71
Each
Units
Net Power 600W 220 → 240V ac 1000VA 230V Desktop - - - 4 Line Interactive 160mm 146mm 350mm
RS Stock No. 768-8767
Mfr. Part No.IDG 1200
BrandRiello
£154.92
Each
Units
iDialog Plus 720W 220 → 240V ac 1200VA 230V Stand Alone - - - 6 Offline 275mm 97mm 315mm
RS Stock No. 459-825
Mfr. Part No.IDG 400/RS
BrandRiello
£62.79
Each
Units
iDialog 240W 220 → 240V ac 400VA 230V Stand Alone - - - 4 Line Interactive, Offline 192mm 90mm 232mm
RS Stock No. 768-8824
Mfr. Part No.SEP 1000
BrandRiello
£440.91
Each
Units
Sentinal Pro 800W 220 V ac, 230 V ac, 240 V ac 1000VA - Stand Alone - - - 4 Line Interactive, Online 235mm 158mm 422mm
RS Stock No. 768-8880
Mfr. Part No.SDH 3000 ER
BrandRiello
£1,066.26
Each
Units
Sentinel Dual 2.4kW 220 V ac, 230 V ac, 240 V ac 3000VA - Stand Alone - - - 9 Line Interactive, Online 87mm 450mm 625mm
RS Stock No. 768-8846
Mfr. Part No.SEP 3000ER
BrandRiello
£824.18
Each
Units
Sentinal Pro 2.4kW 220 V ac, 230 V ac, 240 V ac 3000VA - Stand Alone - - - 9 Line Interactive, Online 333mm 190mm 446mm
RS Stock No. 768-8761
Mfr. Part No.IDG 1600
BrandRiello
£203.28
Each
Units
iDialog Plus 960W 220 → 240V ac 1600VA 230V Stand Alone - - - 6 Offline 275mm 97mm 315mm
RS Stock No. 869-4990
Mfr. Part No.NPW 600
BrandRiello
£81.37
Each
Units
Net Power 360W 220 → 240V ac 600VA 230V Desktop - - - 4 Line Interactive 142mm 100mm 287mm
RS Stock No. 869-5003
Mfr. Part No.NPW 2000
BrandRiello
£298.55
Each
Units
Net Power 1.2kW 220 → 240V ac 2000VA 230V Desktop - - - 6 Line Interactive 205mm 146mm 397mm
RS Stock No. 768-8821
Mfr. Part No.SEP 700
BrandRiello
£397.68
Each
Units
Sentinal Pro 560W 220 V ac, 230 V ac, 240 V ac 700VA - Stand Alone - - - 4 Line Interactive, Online 235mm 158mm 422mm
RS Stock No. 869-5000
Mfr. Part No.NPW 1500
BrandRiello
£248.19
Each
Units
Net Power 900W 220 → 240V ac 1500VA 230V Desktop - - - 6 Line Interactive 205mm 146mm 397mm
RS Stock No. 869-5013
Mfr. Part No.VSD 3000
BrandRiello
£832.84
Each
Units
Vision Dual 2.7kW 220 → 240V ac 3000VA 220 → 240V ac Rack Mount - - - 9 Line Interactive 625mm 87mm 450mm
RS Stock No. 121-352
Mfr. Part No.DVT 2000/RS
BrandRiello
£550.43
Each
Units
Dialog Vision 1.35kW 160 → 294V ac 2000VA 230V Stand Alone - - - 4 Line Interactive 235mm 160mm 425mm
RS Stock No. 768-8745
Mfr. Part No.IPG 800 UK
BrandRiello
£107.72
Each
Units
iPlug 480W 220 → 240V ac 800VA 230V Stand Alone - - - 8 Offline 99mm 175mm 213mm
RS Stock No. 869-5019
Mfr. Part No.VSD 2200
BrandRiello
£749.27
Each
Units
Vision Dual 1.98kW 220 → 240V ac 2200VA 220 → 240V ac Rack Mount - - - 8 Line Interactive 625mm 87mm 450mm
RS Stock No. 768-8874
Mfr. Part No.SDH 2200
BrandRiello
£936.57
Each
Units
Sentinel Dual 1.98kW 220 V ac, 230 V ac, 240 V ac 2200VA - Stand Alone - - - 9 Line Interactive, Online 87mm 450mm 625mm