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 VA Rating Output Voltage Input Voltage Mounting Type Backup Time Number of Outlets Type Current Rating Length Width Depth
RS Stock No. 665-7857
Mfr. Part No.2866611
$639.23
Each
units
TRIO-UPS/1AC/24DC/ 5 - - 24V dc 100 → 350 V dc, 85 → 264 V ac DIN Rail - - Buffer Module 5A 130mm 60mm 118mm
RS Stock No. 180-5497
Mfr. Part No.2907066
$536.80
Each
units
QUINT4 480W - 18 → 32V dc 18 → 30V dc DIN Rail - - UPS 16.2A 35mm 125mm 130mm
RS Stock No. 180-5501
Mfr. Part No.2907070
$835.32
Each
units
QUINT4 480W - 18 → 32V dc 18 → 30V dc DIN Rail - - UPS 16.2A 35mm 125mm 130mm
RS Stock No. 125-3910
Mfr. Part No.9PX2200IRT2U
BrandEaton
$3,289.34
Each
units
- 2.2kW 2200VA 240V 100 → 276 (With Derating) V, 176 → 276 (Without Derating) V Rack Mount, Tower 5 min @ 1800 W 2 (IEC C19), 8 (IEC C13) Online 16A 86.5mm 440mm 605mm
RS Stock No. 779-3803
Mfr. Part No.BR1500GI
BrandAPC
$1,442.36
Each
units
Power-Saving Back-UPS Pro 865W 1500VA 230V 230V Stand Alone 4min 12 Line Interactive - 112mm 301mm 380mm
RS Stock No. 180-5506
Mfr. Part No.2907076
$926.76
Each
units
QUINT4-UPS/24DC/24DC/20/EC 720W - 18 → 32V dc 18 → 30V dc DIN Rail - - UPS 31.4A 40mm 125mm 130mm
RS Stock No. 739-7865
Mfr. Part No.2320225
$501.71
Each
units
QUINT-UPS/ 24DC/ 24DC/10 - - 24V dc 24V dc DIN Rail - - - - 130mm 35mm 125mm
RS Stock No. 125-3918
Mfr. Part No.9PX3000IRTBPH
BrandEaton
$3,884.63
Each
units
- 3kW 3000VA 240V 100 → 276 (With Derating) V, 176 → 276 (Without Derating) V Rack Mount, Tower 4 min @ 2500 W 2 (IEC C19), 8 (IEC C13) Online 16A 130mm 440mm 485mm
RS Stock No. 823-9385
Mfr. Part No.5P650i
BrandEaton
$637.55
Each
units
5P 420W 650VA 230V 160 → 294V Tower 9min 8 Line Interactive 10A 230mm 150mm 345mm
RS Stock No. 180-5500
Mfr. Part No.2907069
$824.64
Each
units
QUINT4 480W - 18 → 32V dc 18 → 30V dc DIN Rail - - UPS 16.2A 35mm 125mm 130mm
RS Stock No. 823-9382
Mfr. Part No.5P1150i
BrandEaton
$1,072.15
Each
units
5P 770W 1150VA 230V 160 → 294V Tower 12min 8 Line Interactive 10A 230mm 150mm 345mm
RS Stock No. 627-6225
Mfr. Part No.UB10.241
BrandPULS
$694.78
Each
units
DIMENSION 240W - 22.4V dc 22.5 → 30V dc DIN Rail - - DC 10A 124mm 49mm 117mm
RS Stock No. 180-5507
Mfr. Part No.2907077
$1,102.45
Each
units
QUINT4 1.44kW - 24V dc 18 → 30V dc DIN Rail - - UPS 51.2A 47mm 125mm 130mm
RS Stock No. 125-3915
Mfr. Part No.9PX3000IRT3U
BrandEaton
$4,144.26
Each
units
- 3kW 3000VA 240V 100 → 276 (With Derating) V, 176 → 276 (Without Derating) V Rack Mount, Tower 4 min @ 2500 W 2 (IEC C19), 8 (IEC C13) Online 16A 130mm 440mm 485mm
RS Stock No. 823-9344
Mfr. Part No.ELP850IEC
BrandEaton
$500.21
Each
units
Ellipse Pro 510W 850VA 230V 165 → 285V Rack Mount, Tower 9min 4 Line Interactive 10A 260mm 82mm 285mm
RS Stock No. 823-9357
Mfr. Part No.ELP1600IEC
BrandEaton
$757.49
Each
units
Ellipse Pro 1kW 1600VA 230V 165 → 285V Rack Mount, Tower 9min 8 Line Interactive 10A 275mm 82mm 390mm
RS Stock No. 168-2507
Mfr. Part No.2905908
$2,385.87
Each
units
TRIO-UPS-2G/1AC/1AC/120V/750VA 600W 750VA 120V ac 120V ac DIN Rail 1 (600 W) min, 20 (100 W) min, 4 (300 W) min 2 - 6A 170mm 210mm 136mm
RS Stock No. 180-5493
Mfr. Part No.2906991
$559.04
Each
units
QUINT4 240W - 18 → 32V dc 18 → 30V dc DIN Rail - - UPS 8.3A 35mm 125mm 130mm
RS Stock No. 689-9070
Mfr. Part No.BK500EI
BrandAPC
$323.17
Each
units
Back-UPS CS 300W 500VA 230V 180 → 266V Stand Alone - 6 Offline 7A 165mm 91mm 284mm
RS Stock No. 180-5503
Mfr. Part No.2907072
$681.54
Each
units
QUINT4 720W - 18 → 32V dc 18 → 30V dc DIN Rail - - UPS 31.4A 40mm 125mm 130mm
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