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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, 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 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 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, 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, 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 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	-	-	-	-	-
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 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 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 Siemens SITOP UPS1600 22V dc, 29 V dc Input Uninterruptible power supply 240 W DIN Rail RS stock no. 880-1378 Mfr. Part No. 6EP4134-3AB00-2AY0 Subtotal (1 unit) R 8 044,32(exc. VAT) R 8 044,32/unit Quantity	Siemens	-	-	Uninterruptible power supply	-	-	10A	-	24V dc	22V dc, 29V dc	DIN Rail	-	240W	-	-	-	139mm	125mm	SITOP UPS1600	cULus UL 508, EN 55022 Class B, cULus: CSA C22.2 No. 107.1, C-Tick, File E197259, EN 61000-6-2, UL, CB, CE, IP20	50mm	-	-	-	-	-
In Stock Phoenix Contact STEP 24V Input Uninterruptible power supply, STEP-CAP/24VDC/2/0.4KJ 50 W DIN Rail 1 min RS stock no. 536-021 Mfr. Part No. 1519633 Subtotal (1 unit) R 4 358,75(exc. VAT) R 4 358,75/unit Quantity	Phoenix Contact	-	STEP-CAP/24VDC/2/0.4KJ	Uninterruptible power supply	-	Capacity Module	2A	-	24V	24V	DIN Rail	1min	50W	-	-	-	-	60mm	STEP	EN 61000-4-5, EN 61000-4-4, EN 61000-4-3, EN 61000-6-3, EN 61000-4-2, EN 61000-6-4, 2014/30/EU, EN 61000-4-6	80mm	-	-	-	-	-
Being discontinued RS Better World APC SRV 230V Input Uninterruptible power supply, 6000 VA, Easy UPS 6 kW Tower RS stock no. 247-2087 Mfr. Part No. SRVS6KI Subtotal (1 unit) R 62 164,48(exc. VAT) R 62 164,48/unit Quantity	APC	-	Easy UPS	Uninterruptible power supply	-	UPS	-	6000VA	230V	230V	Tower	-	6kW	-	-	-	-	374mm	SRV	EN/IEC 62040-2, EN/IEC 62040-1	190mm	Designed for Disassembly	Yes	-	-	-
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	-	-	-	-	-
Last RS stock OPTI 230V Input Uninterruptible power supply, 500 VA, Thunder Shield 300 W Stand Alone 19 min 2 Outlets RS stock no. 714-0152 Mfr. Part No. TS500B Subtotal (1 unit) R 1 837,37(exc. VAT) R 1 837,37/unit Quantity	OPTI	-	Thunder Shield	Uninterruptible power supply	-	Line Interactive	-	500VA	230V	230V	Stand Alone	19min	300W	2	-	-	320mm	135mm	-	No	97mm	-	-	-	-	-
In Stock PULS UC10.241 24V dc Input Uninterruptible power supply, UC10.241 360 W Wall 9 s RS stock no. 297-060 Mfr. Part No. UC10.241 Subtotal (1 unit) R 9 124,19(exc. VAT) R 9 124,19/unit Quantity	PULS	-	UC10.241	Uninterruptible power supply	-	Dimention-UC	15A	-	22.45V	24V dc	Wall	9s	360W	-	-	-	117mm	124mm	UC10.241	RoHS	126mm	-	-	-	-	-
In Stock Riello 220V ac, 240 V ac Input Uninterruptible power supply, 2200 VA, Vision Dual 1.98 kW Rack, Stand Alone 8 Outlets RS stock no. 869-5019 Mfr. Part No. VSD 2200 Subtotal (1 unit) R 29 788,33(exc. VAT) R 29 788,33/unit Quantity	Riello	-	Vision Dual	Uninterruptible power supply	-	Line Interactive	-	2200VA	240V ac	220V ac, 240V ac	Rack, Stand Alone	-	1.98kW	8	-	-	625mm	450mm	-	EN 62040-1, Directives 2004/108/EL, Directive 2006/95/EL, EMC: EN 62040-2 Category C2	87mm	-	-	-	-	-
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 Eaton 9SX 200V, 276 V Input Uninterruptible power supply, 3000 VA, 9SX 2.7 kW Tower 6 min 9 Outlets RS stock no. 287-7983 Mfr. Part No. 9SX3000IBS Subtotal (1 unit) R 54 646,19(exc. VAT) R 54 646,19/unit Quantity	Eaton	-	9SX	Uninterruptible power supply	-	Double Conversion Online UPS	16A	3000VA	240V	200V, 276V	Tower	6min	2.7kW	9	-	-	412mm	346mm	9SX	ENERGY STAR, EAC, IEC/EN 62040-2, CE, RoHS, UL 1778, cTUVus, IEC/EN 62040-1	214mm	-	-	-	-	-

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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