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AC/DC Adapters

An AC/DC adapter, or plug-in power supply, is an electrical device that takes input power from a mains power supply and converts or derives the right current, frequency and voltage to power the component it is attached to. Main power supplies provide power to devices that run on batteries or have no other power source. These are suitable for applications such as chargers, set-top boxes, motor control and other office automation products. A plug-in power supply resides outside the main unit, unlike a computer power supply which is internal. You can learn more in our guide to AC/DC adapters.

For popular Raspberry Pi power supplies, visit our sister site OKdo.com and all thing Raspberry Pi and SBC.

How does an AC/DC adapter work?

An AC/DC adapter is made up of a central unit which draws power from an AC outlet, it then converts the power to DC that is used to charge the device. Each AC adapter has a specific power rating, measured in volts or watts that it can handle and the output of a device. Because of the power rating and the type of plug on the end, an AC adapter is not universal and can only be used with devices with the same requirements and connector.

International Plug Power Supplies

Some plug-in power supplies come with interchangeable input connectors that you can swap when traveling to areas with different plug types such as the United Kingdom, USA, Europe, Japan and Australia. They may also come with protection features such as short circuit, over voltage and overload to suit the international safety approvals making them ideal for the global marketplace.

Are all AC/DC Adapters the same?

It is possible to use a power adapter on different devices, but it's important to check whether it's AC or DC output. Using close to, if not exactly the correct voltage and Amperage. If you're unsure it might be worth investing in a universal power adapter with lots of different plug fittings.

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Currently unavailable MEAN WELL AC/DC Adapter Australia, EU, UK, US 264V ac Output 625 mA, 48 V dc RS Stock No. 123-5009 Mfr. Part No. GEM30I48-P1J Subtotal (1 unit) £24.48(exc. VAT) £24.48/unit Quantity	MEAN WELL	-	-	AC/DC Adapter	-	-	Australia, EU, UK, US	625mA	-	-	-	-	1.8m	-	39.1mm	-	-	-	-	Universal Plug	-	-	-	70°C	-	75.5mm	CE, UL 60950-1, IEC 60950-1	-	-	-	-	-	264V ac
Last RS stock MEAN WELL AC/DC Adapter Type C 264V ac Output 250 mA, 48 V dc RS Stock No. 181-2104 Mfr. Part No. GSM12E48-P1J Subtotal (1 unit) £16.41(exc. VAT) £16.41/unit Quantity	MEAN WELL	-	-	AC/DC Adapter	-	-	Type C	250mA	-	-	-	-	1.8m	-	62.2mm	-	-	-	-	EU Plug	-	-	-	70°C	-	62.2mm	CE, IEC 60950-1, UL 60950-1	-	-	-	-	-	264V ac
Currently unavailable MEAN WELL AC/DC Adapter Type C 264V ac Output 1.04 A, 24 V dc RS Stock No. 136-1360 Mfr. Part No. SGA25E24-P1J Subtotal (1 unit) £17.29(exc. VAT) £17.29/unit Quantity	MEAN WELL	-	-	AC/DC Adapter	-	-	Type C	1.04A	-	-	-	-	1.8m	-	75.5mm	-	-	-	-	EU Plug	-	-	-	60°C	-	75.5mm	CE, UL 60950-1, IEC 60950-1	-	-	-	-	-	264V ac
Last RS stock MEAN WELL AC/DC Adapter Interchangeable 264V ac Output 2.7 A, 15 V dc RS Stock No. 192-9812 Mfr. Part No. GE40I15-P1J Subtotal (1 unit) £22.30(exc. VAT) £22.30/unit Quantity	MEAN WELL	-	-	AC/DC Adapter	-	-	Interchangeable	2.7A	-	-	-	-	-	-	94mm	-	-	-	-	2-Pin	-	-	-	70°C	-	48.4mm	UL 60950-1, IEC 60950-1, CE	-	-	-	-	-	264V ac
Currently unavailable MEAN WELL AC/DC Adapter Australia, EU, UK, US 264V ac Output 830 mA, 48 V dc RS Stock No. 123-5017 Mfr. Part No. GEM40I48-P1J Subtotal (1 unit) £28.72(exc. VAT) £28.72/unit Quantity	MEAN WELL	-	-	AC/DC Adapter	-	-	Australia, EU, UK, US	830mA	-	-	-	-	1.5m	-	39.1mm	-	-	-	-	Universal Plug	-	-	-	70°C	-	75.5mm	CE, IEC 60950-1, UL 60950-1	-	-	-	-	-	264V ac
Currently unavailable MEAN WELL AC/DC Adapter Type C 264V ac Output 520 mA, 48 V dc RS Stock No. 136-1361 Mfr. Part No. SGA25E48-P1J Subtotal (1 unit) £15.12(exc. VAT) £15.12/unit Quantity	MEAN WELL	-	-	AC/DC Adapter	-	-	Type C	520mA	-	-	-	-	1.8m	-	75.5mm	-	-	-	-	EU Plug	-	-	-	60°C	-	75.5mm	IEC 60950-1, UL 60950-1, CE	-	-	-	-	-	264V ac
Temporarily out of stock TDK-Lambda DC Jack Power Adapter AC/DC Adapter 10 Pin 300 W 54V dc Output, 5.56 A RS Stock No. 135-4191 Mfr. Part No. DTM-300PW-540-D2 Subtotal (1 unit) £260.52(exc. VAT) £260.52/unit Quantity	TDK-Lambda	-	-	AC/DC Adapter	Power Adapter	54V dc	10 Pin	-	-	-	DC Jack	300W	800mm	-	-	-	1	-	5.56A	IEC 320-C14	222mm	-30°C	-	60°C	45mm	-	CE, EN 60601-1, IEC 60601-1, UL 60601-1	112mm	-	-	88%	-	264V ac
Last RS stock MEAN WELL AC/DC Adapter Type C 264V ac Output 2.93 A, 7.5 V dc RS Stock No. 136-1355 Mfr. Part No. SGA25E07-P1J Subtotal (1 unit) £16.19(exc. VAT) £16.19/unit Quantity	MEAN WELL	-	-	AC/DC Adapter	-	-	Type C	2.93A	-	-	-	-	1m	-	75.5mm	-	-	-	-	EU Plug	-	-	-	60°C	-	75.5mm	UL 60950-1, IEC 60950-1, CE	-	-	-	-	-	264V ac
In Stock TDK-Lambda AC/DC Adapter C8 110 W 36V dc Output, 3.06 A RS Stock No. 194-3182 Mfr. Part No. DTM-110PW-360-C8 Subtotal (1 unit) £93.05(exc. VAT) £93.05/unit Quantity	TDK-Lambda	-	-	AC/DC Adapter	-	36V dc	C8	-	-	-	-	110W	1m	-	-	-	1	-	3.06A	-	140mm	-20°C	-	60°C	31.6mm	-	CE, UL 60601-1, IEC 60601-1, EN 60601-1	63mm	-	-	89%	-	240V ac
Currently unavailable MEAN WELL AC/DC Adapter Interchangeable 264V ac Output 3.33 A, 9 V dc RS Stock No. 192-9810 Mfr. Part No. GE40I09-P1J Subtotal (1 unit) £22.30(exc. VAT) £22.30/unit Quantity	MEAN WELL	-	-	AC/DC Adapter	-	-	Interchangeable	3.33A	-	-	-	-	-	-	94mm	-	-	-	-	2-Pin	-	-	-	70°C	-	48.4mm	CE, IEC 60950-1, UL 60950-1	-	-	-	-	-	264V ac
Last RS stock Ezurio AC/DC Adapter 2-Pin (EU) 12V dc Output 4 A, 12 V dc RS Stock No. 212-0309 Mfr. Part No. 223-00008 Subtotal (1 unit) £10.88(exc. VAT) £10.88/unit Quantity	Ezurio	-	-	AC/DC Adapter	-	-	2-Pin (EU)	4A	-	-	-	-	7.5mm	-	7.5mm	-	-	-	-	-	-	-	-	60°C	-	9.2mm	CE	-	-	-	-	-	12V dc
Currently unavailable Mascot AC/DC Adapter Type G 230V ac Output 540 mA, 12 V dc RS Stock No. 224-3827 Mfr. Part No. 8511000165 Subtotal (1 unit) £34.51(exc. VAT) £34.51/unit Quantity	Mascot	-	-	AC/DC Adapter	-	-	Type G	540mA	-	-	-	-	1.7m	-	95mm	-	-	-	-	UK Plug	-	-	-	35°C	-	51mm	EN 60601-1-2	-	-	-	-	-	230V ac
In Stock Rittal Adapter AC/DC Adapter 24V dc Output RS Stock No. 239-9263 Mfr. Part No. 4315860 Subtotal (1 unit) £91.33(exc. VAT) £91.33/unit Quantity	Rittal	-	-	AC/DC Adapter	Adapter	24V dc	-	-	-	-	-	-	1800mm	-	-	-	-	-	-	-	-	-	-	40°C	-	-	EAC	-	-	-	-	-	240V
In Stock Friwo Plug Adapter Australia, EU, UK, US 18 W 12V dc Output, 1.5 A RS Stock No. 240-4032 Mfr. Part No. EDV1960976RS Subtotal (1 unit) £43.14(exc. VAT) £43.14/unit Quantity	Friwo	-	-	Plug Adapter	-	12V dc	Australia, EU, UK, US	-	-	-	-	18W	-	-	-	-	-	-	1.5A	-	-	0°C	-	50°C	-	-	EN 60601-1:2006/A12:2014, Commission Regulation (EU) 2019/1782, EN 55032:2015, EN 55035:2017, UL62368-1, IEC62368-1, IEC60601-1, ES60601-1, EN 62368-1:2014/A11:2017, EN 60601-1-2:2015	-	-	-	85%	-	240V ac
In Stock Friwo AC/DC Adapter Australia, EU, UK, US 7.2 W 12V dc Output, 600 mA RS Stock No. 240-4026 Mfr. Part No. EDV1960970RS Subtotal (1 unit) £25.68(exc. VAT) £25.68/unit Quantity	Friwo	-	-	AC/DC Adapter	-	12V dc	Australia, EU, UK, US	-	-	-	-	7.2W	-	-	-	-	-	-	600mA	-	-	0°C	-	45°C	-	-	UL62368-1, IEC62368-1, IEC60601-1, ES60601-1	-	-	-	80.19%	-	240V ac
Temporarily out of stock Friwo Plug Adapter Australia, EU, UK, US 18 W 24V dc Output, 750 mA RS Stock No. 240-4033 Mfr. Part No. EDV1960977RS Subtotal (1 unit) £43.14(exc. VAT) £43.14/unit Quantity	Friwo	-	-	Plug Adapter	-	24V dc	Australia, EU, UK, US	-	-	-	-	18W	-	-	-	-	-	-	750mA	-	-	0°C	-	50°C	-	-	ES60601-1, IEC60601-1, IEC62368-1, UL62368-1	-	-	-	85%	-	240V ac
Currently unavailable XP Power AC/DC Adapter 100 W 19V dc Output, 5.26 A RS Stock No. 121-7051 Mfr. Part No. AHM100PS19 Subtotal (1 unit) £75.36(exc. VAT) £75.36/unit Quantity	XP Power	-	-	AC/DC Adapter	-	19V dc	-	-	-	-	-	100W	900mm	-	-	-	1	-	5.26A	IEC 320-C14	165mm	0°C	-	60°C	37mm	-	MIL-HDBK-217F, PSE Certified, UL 60950, EN 61000-4-2, EN 61000-4-11, EN 61000-4-3, EN 61000-3-3, EN 61000-4-4, EN 61000-4-5, EN 61000-4-6, EN 61000-4-8, EISA 2007, EN 55011/22, EN 60601-1, EN	64mm	-	-	92%	-	264V ac
Temporarily out of stock XP Power 2.1 x 5.5 x 12 mm Centre Positive AC/DC Adapter AC/DC Adapter Type A 36 W 12V dc Output, 3 A RS Stock No. 123-4862 Mfr. Part No. VEL36US120-US-JA Subtotal (1 unit) £17.01(exc. VAT) £17.01/unit Quantity	XP Power	-	-	AC/DC Adapter	AC/DC Adapter	12V dc	Type A	-	-	-	2.1 x 5.5 x 12 mm Centre Positive	36W	-	-	-	-	1	-	3A	US Plug	94mm	0°C	-	45°C	46.6mm	-	UL 60950-1, EN 60950-1, CE, CB	35mm	-	-	87%	-	100V ac, 110V ac, 115V ac, 120V ac, 127V ac, 220V ac, 230V ac, 240V ac
In Stock Phihong 2.1 x 5.5 x 10 mm Centre Positive AC/DC Adapter AC/DC Adapter Interchangeable 12 W 24V dc Output, 500 mA RS Stock No. 124-2080 Mfr. Part No. PSAC12R-240(RS) Subtotal (1 unit) £21.41(exc. VAT) £21.41/unit Quantity	Phihong	-	-	AC/DC Adapter	AC/DC Adapter	24V dc	Interchangeable	-	-	-	2.1 x 5.5 x 10 mm Centre Positive	12W	1.5m	-	-	-	1	-	500mA	Universal Plug	71.7mm	0°C	-	40°C	33.25mm	-	EN 61000-4-5, EN 61000-4-11, EISA, cULus, CE, FCC Class B EN 55022 Class B, EN 61000-4-6, EN 61000-4-4, EN 61000-4-3, EN 61000-4-2	50mm	-	-	-	-	100V ac, 110V ac, 115V ac, 120V ac, 127V ac, 220V ac, 230V ac, 240V ac
In Stock RS Better World MEAN WELL AC/DC Adapter 264V ac Output 640 mA, 28 V dc RS Stock No. 117-6124 Mfr. Part No. GST18B28-P1J Subtotal (1 unit) £22.91(exc. VAT) £22.91/unit Quantity	MEAN WELL	-	-	AC/DC Adapter	-	-	-	640mA	-	-	-	-	1800mm	-	79mm	-	-	-	-	IEC 320-C8	-	-	-	70°C	-	54mm	IEC 60950-1, CE, UL 60950-1	-	Yes	UL Energy Verified	-	-	264V ac