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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.

729 Products showing for Uninterruptible Power Supplies

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In Stock RS PRO 140V ac, 300 V ac Input Uninterruptible power supply, 800 VA, GS800 480 W Stand Alone RS stock no. 235-5108 Subtotal (1 unit) R 2 919,88(exc. VAT) R 2 919,88/unit Quantity		-	GS800	Uninterruptible power supply	-	Offline	-	800VA	240V ac	140V ac, 300V ac	Stand Alone	-	480W	-	-	-	-	306mm	-	RoHS	86mm	-	-	-	-	-
In Stock RS PRO 110V ac, 160 V ac, 280 V ac, 300 V ac Input Uninterruptible power supply, 2000 VA 1.6 kW Stand Alone RS stock no. 235-5101 Subtotal (1 unit) R 17 581,78(exc. VAT) R 17 581,78/unit Quantity		-	-	Uninterruptible power supply	-	Online	-	2000VA	200V ac, 240V ac	110V ac, 160V ac, 280V ac, 300V ac	Stand Alone	-	1.6kW	-	-	-	220mm	397mm	-	RoHS	145mm	-	-	-	-	-
In Stock RS PRO 140V ac, 300 V ac Input Uninterruptible power supply, 400 VA 240 W Stand Alone RS stock no. 235-5106 Subtotal (1 unit) R 3 207,56(exc. VAT) R 3 207,56/unit Quantity		-	-	Uninterruptible power supply	-	Offline	-	400VA	240V ac	140V ac, 300V ac	Stand Alone	-	240W	-	-	-	140mm	255mm	-	RoHS	86mm	-	-	-	-	-
In Stock RS PRO 110V ac, 160 V ac, 280 V ac, 300 V ac Input Uninterruptible power supply, 1000 VA 800 W Stand Alone RS stock no. 235-5100 Subtotal (1 unit) R 10 962,09(exc. VAT) R 10 962,09/unit Quantity		-	-	Uninterruptible power supply	-	Online	-	1000VA	200V ac, 240V ac	110V ac, 160V ac, 280V ac, 300V ac	Stand Alone	-	800W	-	-	-	220mm	282mm	-	RoHS	145mm	-	-	-	-	-
In Stock RS PRO 110V ac, 160 V ac, 280 V ac, 300 V ac Input Uninterruptible power supply, 3000 VA 2.4 kW Rack, Stand Alone RS stock no. 235-5104 Subtotal (1 unit) R 32 632,19(exc. VAT) R 32 632,19/unit Quantity		-	-	Uninterruptible power supply	-	Online	-	3000VA	200V ac, 240V ac	110V ac, 160V ac, 280V ac, 300V ac	Rack, Stand Alone	-	2.4kW	-	-	-	88mm	630mm	-	RoHS	438mm	-	-	-	-	-
In Stock RS PRO 140V ac, 300 V ac Input Uninterruptible power supply, 600 VA, GS600 360 W Stand Alone RS stock no. 235-5107 Subtotal (1 unit) R 2 479,83(exc. VAT) R 2 479,83/unit Quantity		-	GS600	Uninterruptible power supply	-	Offline	-	600VA	240V ac	140V ac, 300V ac	Stand Alone	-	360W	-	-	-	-	306mm	-	RoHS	86mm	-	-	-	-	-
In Stock RS PRO 110V ac, 160 V ac, 280 V ac, 300 V ac Input Uninterruptible power supply, 1000 VA 800 W Rack, Stand Alone RS stock no. 235-5103 Subtotal (1 unit) R 12 288,46(exc. VAT) R 12 288,46/unit Quantity		-	-	Uninterruptible power supply	-	Online	-	1000VA	200V ac, 240V ac	110V ac, 160V ac, 280V ac, 300V ac	Rack, Stand Alone	-	800W	-	-	-	88mm	310mm	-	RoHS	438mm	-	-	-	-	-
In Stock Eaton 190V ac, 276 V ac Input Uninterruptible power supply, 3000 VA, 9SX 2.7 kW Stand Alone 6 min 8 Outlets RS stock no. 201-9759 Mfr. Part No. 9SX3000I Eaton 9SX 3000i Subtotal (1 unit) R 60 916,04(exc. VAT) R 60 916,04/unit Quantity	Eaton	-	9SX	Uninterruptible power supply	-	Online	16A	3000VA	230V	190V ac, 276V ac	Stand Alone	6min	2.7kW	8	-	-	346mm	412mm	-	RCM, EAC, BIS, KCC, CB, cULus, CE	214mm	-	-	-	-	-
In Stock Siemens SITOP UPS1600 24V dc Input Uninterruptible power supply 960 W DIN Rail RS stock no. 880-1381 Mfr. Part No. 6EP4137-3AB00-0AY0 Subtotal (1 unit) R 9 778,69(exc. VAT) R 9 778,69/unit Quantity	Siemens	-	-	Uninterruptible power supply	-	Switch Mode Power Supply	4A	-	24V dc	24V dc	DIN Rail	-	960W	-	-	-	125mm	150mm	SITOP UPS1600	CB, UL, File E197259, IP20, EN 61000-6-2, cULus: CSA C22.2 No. 107.1, C-Tick, CE, EN 55022 Class B, cULus UL 508	70mm	-	-	-	-	-
Temporarily out of stock Siemens SITOP UPS1600 24V dc Input Uninterruptible power supply 480 W DIN Rail RS stock no. 880-1375 Mfr. Part No. 6EP4136-3AB00-0AY0 Subtotal (1 unit) R 6 078,61(exc. VAT) R 6 078,61/unit Quantity	Siemens	-	-	Uninterruptible power supply	-	-	2A	-	24V dc	24V dc	DIN Rail	-	480W	-	-	-	139mm	125mm	SITOP UPS1600	EN 61000-6-2, EN 55022 Class B	50mm	-	-	-	-	-
In Stock Phoenix Contact QUINT-UPS/ 24DC/ 24DC/10 24V dc Input Uninterruptible power supply, QUINT-UPS 240 W DIN Rail RS stock no. 739-7865 Mfr. Part No. 2320225 Subtotal (1 unit) R 6 463,14(exc. VAT) R 6 463,14/unit Quantity	Phoenix Contact	-	QUINT-UPS	Uninterruptible power supply	-	UPS	10A	-	24V dc	24V dc	DIN Rail	-	240W	-	-	-	130mm	125mm	QUINT-UPS/ 24DC/ 24DC/10	EN 60950-1/VDE 0805 (SELV), EN 61000-4-2, Groups A, EN 61000-4-3, EN 50178/VDE 0160 (PELV), EN 61000-4-6, UL/C-UL Recognised UL 60950-1, Division 2, EN 61000-6-2:2005, UL Listed UL 508, EN 50121-4	35mm	-	-	-	-	-
In Stock Phoenix Contact UPS UPS Battery RS stock no. 233-3350 Mfr. Part No. 1274117 Subtotal (1 unit) R 4 481,46(exc. VAT) R 4 481,46/unit Quantity	Phoenix Contact	-	-	UPS Battery	-	-	-	-	-	-	-	-	-	-	-	-	-	-	UPS	DNV, EAC, cULus	-	-	-	-	-	-
In Stock TRACOPOWER TSP-BCM 24V dc, 28 V dc Input Battery Module 360 W DIN Rail RS stock no. 744-2445 Mfr. Part No. TSP-BCM24 Subtotal (1 unit) R 3 097,59(exc. VAT) R 3 097,59/unit Quantity	TRACOPOWER	-	-	Battery Module	-	Battery Module	12A	-	24V dc	24V dc, 28V dc	DIN Rail	-	360W	-	-	-	116mm	110mm	TSP-BCM	EN 60950-1	35mm	-	-	-	-	-
Stocked by manufacturer APC Easy UPS SRV 36V Input Battery Pack, 1 kVA, SRV36BP-9A 1 kVA Floor RS stock no. 797-927 Mfr. Part No. SRV36BP-9A Subtotal (1 unit) R 13 349,75(exc. VAT) R 13 349,75/unit Quantity	APC	-	SRV36BP-9A	Battery Pack	-	Battery Pack	-	1kVA	36V	36V	Floor	-	1kVA	-	-	-	238mm	400mm	Easy UPS SRV	UKCA	145mm	-	-	-	-	-
In Stock RS Better World APC Smart-UPS 230V Input Uninterruptible power supply, 1500 VA, Smart-UPS 900 W Rack 4 Outlets RS stock no. 201-0846 Mfr. Part No. SMC1500I-2UC Subtotal (1 unit) R 29 194,58(exc. VAT) R 29 194,58/unit Quantity	APC	-	Smart-UPS	Uninterruptible power supply	-	-	6.5A	1500VA	230V	230V	Rack	-	900W	4	-	-	43.2mm	47.7mm	Smart-UPS	GOST, C-Tick, CE, VDE	8.6mm	Saves Energy	Yes	-	-	-
In Stock Phoenix Contact UPS UPS Battery RS stock no. 233-3351 Mfr. Part No. 1274118 Subtotal (1 unit) R 5 779,74(exc. VAT) R 5 779,74/unit Quantity	Phoenix Contact	-	-	UPS Battery	-	-	-	-	-	-	-	-	-	-	-	-	-	-	UPS	cULus, RoHS Compliant	-	-	-	-	-	-
In Stock Eaton 9SX 276V Input UPS, 6 kVA 6 kW Rack 11 Outlets RS stock no. 781-268 Mfr. Part No. 9SX6KIRT3UG2 Subtotal (1 unit) R 102 592,91(exc. VAT) R 102 592,91/unit Quantity	Eaton	-	-	UPS	-	UPS	-	6kVA	230V	276V	Rack	-	6kW	11	-	-	684mm	684mm	9SX	WEEE Directive	440mm	-	-	-	-	-
In Stock ABB 4NWP100 240V ac Input Uninterruptible power supply, 3 kVA, 4NWP100162R0001 2.7 kW RS stock no. 690-651 Mfr. Part No. 4NWP100162R0001 Subtotal (1 unit) R 23 037,66(exc. VAT) R 23 037,66/unit Quantity	ABB	-	4NWP100162R0001	Uninterruptible power supply	-	-	-	3kVA	-	240V ac	-	-	2.7kW	-	-	-	-	-	4NWP100	RoHS	-	-	-	-	-	-
Currently unavailable Eaton 9PX 176V, 276 V Input Uninterruptible power supply, 5000 VA, 9SX 4.5 kW Rack, Stand Alone RS stock no. 250-0345 Mfr. Part No. 9SX5KIRT Subtotal (1 unit) R 92 972,27(exc. VAT) R 92 972,27/unit Quantity	Eaton	-	9SX	Uninterruptible power supply	-	UPS	-	5000VA	230V	176V, 276V	Rack, Stand Alone	-	4.5kW	-	-	-	685mm	130mm	9PX	RoHS	440mm	-	-	-	-	-
Stocked by manufacturer APC Easy UPS 3S 415V Input Uninterruptible power supply, 40 kVA, E3SUPS40KHB 40 kW Tower RS stock no. 797-819 Mfr. Part No. E3SUPS40KHB Subtotal (1 unit) R 193 149,63(exc. VAT) R 193 149,63/unit Quantity	APC	-	E3SUPS40KHB	Uninterruptible power supply	-	Uninterruptible Power Supply (UPS)	73A	40kVA	415V	415V	Tower	-	40kW	-	-	-	1.4m	969mm	Easy UPS 3S	EAC	500mm	-	-	-	-	-

Uninterruptible Power Supplies

UPS Uninterruptible Power Supply Types?

How to choose the right UPS device

729 Products showing for Uninterruptible Power Supplies

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