UPS Uninterruptible Power Supplies

An uninterruptible power supply, commonly known as "UPS Power Supply" is a device that is designed to supply power to your computers, servers and data centres in case of main power failure, electrical surge or unexpected power cut off. These devices contain a battery that guarantees power to your computer system for a certain period of time, creating a time period long enough 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 systems available on the market:


  • 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. Some more expensive models are equipped with an intelligent system that automatically shut down connected devices to ensure that no data is lost and the device shutdown is safe. All of these aspects need to be considered before making the final decision on buying one model or another.


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Description Price Model Power Rating Input Voltage VA Rating Output Voltage Backup Time Mounting Type Communications Number of Outlets Type Current Rating Length Width Depth
RS stock no. 712-7070
Mfr. Part No.EA-UPS Informer Guard LCD2 600 AP
R 1,810.91
Each
units
Guard LCD 2 360W 175 → 300V ac 600VA 230V 2.5min Stand Alone - 2 Line Interactive - 142mm 100mm 287mm
RS stock no. 869-4990
Mfr. Part No.NPW 600
BrandRiello
R 1,356.69
Each
units
Net Power 360W 220 → 240V ac 600VA 230V - Desktop - 4 Line Interactive - 142mm 100mm 287mm
RS stock no. 665-7857
Mfr. Part No.2866611
R 4,835.56
Each
units
TRIO-UPS/1AC/24DC/ 5 - 85 → 264 V ac, 100 → 350 V dc - 24V dc - DIN Rail - - Buffer Module 5A 130mm 60mm 118mm
RS stock no. 768-8767
Mfr. Part No.IDG 1200
BrandRiello
R 3,800.11
Each
units
IDialog Plus 720W 220 → 240V ac 1200VA 230V - Stand Alone - 6 Offline - 275mm 97mm 315mm
RS stock no. 779-3759
Mfr. Part No.SUA5000RMI5U
BrandAPC
R 61,679.65
Each
units
Smart-UPS 4kW 230V 5000VA 230V 9min Rack Mount - 14 Line Interactive - 483mm 222mm 660mm
RS stock no. 665-7851
Mfr. Part No.2866598
R 3,186.30
Each
units
MINI-DC-UPS/12DC/4 - 100 → 240V ac - 12V dc - DIN Rail - - Buffer Module 4A 202mm 135mm 110mm
RS stock no. 459-815
Mfr. Part No.IDG 600/RS
BrandRiello
R 1,751.84
Each
units
IDialog 360W 220 → 240V ac 600VA 230V - Stand Alone - 4 Line Interactive, Offline - 192mm 90mm 232mm
RS stock no. 627-6225
Mfr. Part No.UB10.241
BrandPULS
R 3,832.72
Each
units
DIMENSION 240W 22.5 → 30V dc - 22.4V dc - DIN Rail - - DC 10A 124mm 49mm 117mm
RS stock no. 823-9417
Mfr. Part No.5PXEBM72RT3U
BrandEaton
R 14,626.44
Each
units
5PX - - 3000VA - 285min Rack Mount - - Extended Battery Module - 3U 441mm 497mm
RS stock no. 779-3803
Mfr. Part No.BR1500GI
BrandAPC
R 7,717.69
Each
units
Power-Saving Back-UPS Pro 865W 230V 1500VA 230V 4min Stand Alone - 12 Line Interactive - 112mm 301mm 380mm
RS stock no. 761-7630
Mfr. Part No.2320254
R 6,553.34
Each
units
QUINT-UPS/ 24DC/ 24DC/ 5/1.3AH - 18 → 30V dc - 18 → 30V dc 5min DIN Rail - 1 - 9.3A 138mm 88mm 125mm
RS stock no. 753-1977
Mfr. Part No.UB10.245
BrandPULS
R 5,184.91
Each
units
DIMENSION 360W 22.5 → 30V dc - 12 → 22V dc - DIN Rail - 2 - 10A 124mm 49mm 117mm
RS stock no. 715-8831
Mfr. Part No.SMX750I
BrandAPC
R 10,723.43
Each
units
Smart-UPS X 500W 160 → 286V 750VA 230V 12min Rack Mount, Stand Alone - 8 Line Interactive - 89mm 432mm 490mm
RS stock no. 459-825
Mfr. Part No.IDG 400/RS
BrandRiello
R 1,607.88
Each
units
IDialog 240W 220 → 240V ac 400VA 230V - Stand Alone - 4 Line Interactive, Offline - 192mm 90mm 232mm
RS stock no. 499-9601
Mfr. Part No.6EP1931-2FC21
BrandSiemens
R 6,471.75
Each
units
SITOP DC - 22 → 29V dc - 21.5 → 28.5V dc - DIN Rail - - - 40A 125mm 102mm 125mm
RS stock no. 712-7076
Mfr. Part No.EA-UPS Informer Guard LCD2 2000 AP
R 5,081.14
Each
units
Guard LCD 2 1.2kW 175 → 300V ac 2000VA 230V 3.5min Stand Alone - 4 Line Interactive - 205mm 146mm 397mm
RS stock no. 869-5007
Mfr. Part No.VSD 1100
BrandRiello
R 10,025.69
Each
units
Vision Dual 900W 220 → 240V ac 1100VA 220 → 240V ac - Rack Mount - 8 Line Interactive - 425mm 87mm 450mm
RS stock no. 459-819
Mfr. Part No.IDG 800/RS
BrandRiello
R 2,039.78
Each
units
IDialog 480W 220 → 240V ac 800VA 230V - Stand Alone - 4 Line Interactive, Offline - 192mm 90mm 232mm
RS stock no. 665-7854
Mfr. Part No.2866640
R 5,014.66
Each
units
MINI-DC-UPS/24DC/2 - 85 → 264 V ac, 100 → 350 V dc - 24V dc - DIN Rail - - Buffer Module 2A 99mm 67.5mm 107mm
RS stock no. 689-9092
Mfr. Part No.SC450RMI1U
BrandAPC
R 5,103.13
Each
units
Smart-UPS SC 280W 160 → 286V 450VA 230V - Rack Mount, Stand Alone - 6 Line Interactive - 44mm 432mm 383mm