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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 complete 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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In Stock RS PRO 12 W AC/DC Adapter AC/DC Adapter Type C 12V dc Output, 1 A RS stock no. 175-3305 Subtotal (1 unit) R 223,20(exc. VAT) R 223,20/unit Quantity	-	-	AC/DC Adapter	AC/DC Adapter	12V dc	Type C	-	-	-	-	2.1 x 5.5 x 12 mm Centre Positive	12W	-	-	-	-	1	-	1A	EU Plug	78.98mm	0°C	Regulated	50°C	49.2mm	-	-	-	CE, EN 60950-1	41mm	-	-	83.26%	-	240V ac	-
In Stock RS PRO 24 W AC/DC Adapter Type C 12V dc Output, 2 A RS stock no. 124-2205 Subtotal (1 unit) R 460,89(exc. VAT) R 460,89/unit Quantity	-	-	AC/DC Adapter	-	12V dc	Type C	-	-	-	-	2.1 x 5.5 x 10 mm Centre Positive	24W	1.5m	-	-	-	1	-	2A	EU Plug	69.3mm	-10°C	-	40°C	46mm	-	-	-	EN 61000-3-3, EU CoC V5, TUV/GS EN 60950-1, UL 60065, EN 55024, EN 61000-3-2, CE, EN 55013, EN 55014-1, EN 55014-2, EN 55020, EN 55022	46mm	-	-	-	-	-	-
In Stock RS PRO 14 W AC/AC Adapter AC/AC Adapter Type C 9V ac Output, 1.5 A RS stock no. 139-1772 Subtotal (1 unit) R 416,65(exc. VAT) R 416,65/unit Quantity	-	-	AC/AC Adapter	AC/AC Adapter	9V ac	Type C	-	-	-	-	2.1 x 5.5 x 12 mm Centre Positive	14W	1.8m	-	-	-	1	-	1.5A	EU Plug	89mm	-20°C	-	40°C	51mm	-	-	-	IEC/EN 61558	60mm	-	-	-	-	240V ac	-
In Stock RS PRO 24 W AC/DC Adapter AC/DC Adapter 2-Pin (EU) 12V ac, 3 V ac, 4.5 V ac, 5 V ac, 6 V ac, 7.5 V ac, 9 V ac Output, 2 RS stock no. 206-4927 Subtotal (1 unit) R 439,18(exc. VAT) R 439,18/unit Quantity	-	-	AC/DC Adapter	AC/DC Adapter	12, 3, 4.5, 5, 6, 7.5, 9V ac	2-Pin (EU)	-	-	-	-	Interchangeable	24W	1.5m	-	-	-	7	-	2A	EU Plug	92.2mm	0°C	Regulated	40°C	46.2mm	-	-	-	CE, UL	35.8mm	-	-	84%	-	240V ac	-
In Stock RS PRO 72 W Power Adapter AC/DC Adapter C14 24V dc Output, 3 A RS stock no. 904-8503 Subtotal (1 unit) R 820,27(exc. VAT) R 820,27/unit Quantity	-	-	AC/DC Adapter	Power Adapter	24V dc	C14	-	-	-	-	1.75 x 4.75 x 11 mm Centre Positive Female Coaxial Plug, 2.1 x 5.5 x 10.5 mm Centre Positive Female Coaxial Plug, 2.5 x 5.5 x 12.5 mm Centre Positive Female Coaxial Plug, 3 x 6.3 x 12 mm Centre Positive	72W	1.2m	-	-	-	1	-	3A	C14	113mm	0°C	-	40°C	35mm	-	-	-	FCC, ULcUL, ENIEC609501, CE, CB, GS, TUVSUD	49mm	-	-	88%	-	240V ac	-
In Stock RS PRO 24 W AC/DC Adapter AC/DC Adapter Type C 24V dc Output, 1 A RS stock no. 175-3325 Subtotal (1 unit) R 317,64(exc. VAT) R 317,64/unit Quantity	-	-	AC/DC Adapter	AC/DC Adapter	24V dc	Type C	-	-	-	-	2.1 x 5.5 x 12 mm Centre Positive	24W	-	-	-	-	1	-	1A	EU Plug	74.5mm	0°C	Regulated	40°C	88.7mm	-	-	-	EN 60950-1, CE	50.4mm	-	-	86.8%	-	240V ac	-
In Stock RS PRO 8 W AC/AC Adapter AC/DC Adapter Type C 18V ac Output, 460 mA RS stock no. 139-1771 Subtotal (1 unit) R 332,20(exc. VAT) R 332,20/unit Quantity	-	-	AC/DC Adapter	AC/AC Adapter	18V ac	Type C	-	-	-	-	2.1 x 5.5 x 12 mm Centre Positive	8W	1.8m	-	-	-	1	-	460mA	EU Plug	62mm	-20°C	-	40°C	42mm	-	-	-	IEC/EN 61558	51mm	-	-	-	-	240V ac	-
In Stock RS PRO 6 W AC/DC Adapter AC/DC Adapter Type C 9V dc Output, 600 mA RS stock no. 139-1782 Subtotal (1 unit) R 322,42(exc. VAT) R 322,42/unit Quantity	-	-	AC/DC Adapter	AC/DC Adapter	9V dc	Type C	-	-	-	-	2.1 x 5.5 x 12 mm Centre Positive	6W	1.8m	-	-	-	1	-	600mA	EU Plug	62mm	-20°C	Unregulated	40°C	42mm	-	-	-	IEC/EN 61558	51mm	-	-	-	-	240V ac	-
In Stock RS PRO 5 W AC/DC Adapter AC/DC Adapter Type C 5V dc Output, 1 A RS stock no. 175-3297 Subtotal (1 unit) R 145,21(exc. VAT) R 145,21/unit Quantity	-	-	AC/DC Adapter	AC/DC Adapter	5V dc	Type C	-	-	-	-	2.1 x 5.5 x 12 mm Centre Positive	5W	1.5m	-	-	-	1	-	1A	EU Plug	67mm	0°C	Regulated	40°C	72.2mm	-	-	-	EN 60950-1, CE	26mm	-	-	82.95%	-	240V ac	-
In Stock RS PRO 9 W AC/AC Adapter AC/AC Adapter Type G 9V ac Output, 950 mA RS stock no. 139-1769 Subtotal (1 unit) R 358,69(exc. VAT) R 358,69/unit Quantity	-	-	AC/AC Adapter	AC/AC Adapter	9V ac	Type G	-	-	-	-	2.1 x 5.5 x 12 mm Centre Positive	9W	1.8m	-	-	-	1	-	950mA	UK Plug	79mm	-20°C	-	40°C	52mm	-	-	-	IEC/EN 61558	52mm	-	-	-	-	240V ac	-
In Stock RS PRO 8 W AC/AC Adapter AC/AC Adapter Type C 9V ac Output, 950 mA RS stock no. 139-1768 Subtotal (1 unit) R 345,13(exc. VAT) R 345,13/unit Quantity	-	-	AC/AC Adapter	AC/AC Adapter	9V ac	Type C	-	-	-	-	2.1 x 5.5 x 12 mm Centre Positive	8W	1.8m	-	-	-	1	-	950mA	EU Plug	62mm	-20°C	Regulated	40°C	42mm	-	-	-	IEC/EN 61558	51mm	-	-	-	-	240V ac	-
In Stock RS PRO 9 W AC/AC Adapter AC/DC Adapter Type C 12V ac Output, 700 mA RS stock no. 139-1770 Subtotal (1 unit) R 327,29(exc. VAT) R 327,29/unit Quantity	-	-	AC/DC Adapter	AC/AC Adapter	12V ac	Type C	-	-	-	-	2.1 x 5.5 x 12 mm Centre Positive	9W	1.8m	-	-	-	1	-	700mA	EU Plug	62mm	-20°C	-	40°C	42mm	-	-	-	IEC/EN 61558	42mm	-	-	-	-	240V ac	-
In Stock RS PRO 10 W Power Supply AC/DC Adapter EU 5V dc Output RS stock no. 303-991 Subtotal (1 unit) R 173,40(exc. VAT) R 173,40/unit Quantity	-	-	AC/DC Adapter	Power Supply	5V dc	EU	-	-	-	-	USB Type A	10W	-	-	-	-	1	-	-	EU Plug	42mm	0°C	-	40°C	22mm	-	-	-	CE Declarations	33mm	-	-	79%	-	264V ac	-
In Stock RS PRO 14 W AC/AC Adapter AC/AC Adapter Type C 24V ac Output, 580 mA RS stock no. 139-1773 Subtotal (1 unit) R 416,29(exc. VAT) R 416,29/unit Quantity	-	-	AC/AC Adapter	AC/AC Adapter	24V ac	Type C	-	-	-	-	2.1 x 5.5 x 12 mm	14W	1.8m	-	-	-	1	-	580mA	EU Plug	89mm	-20°C	-	40°C	61mm	-	-	-	IEC/EN 61558	60mm	-	-	-	-	240V ac	-
Last RS stock RS PRO 18 VA AC-DC Converter Power Supplies AC/AC Adapter EU, UK, 2-Pin (EU), US, AUS 24V ac Output, 750 mA RS stock no. 907-6249 Subtotal (1 unit) R 308,81(exc. VAT) R 308,81/unit Quantity	-	-	AC/AC Adapter	AC-DC Converter Power Supplies	24V ac	EU, UK, 2-Pin (EU), US, AUS	-	-	-	-	4-Way Connector, 6 x 1.5 mm, 8 Tip Connector, 2.1 x 5.5 mm Connector, 2.5 x 5.5 x 9.5mm, 2.5 x 5.5 x 12mm, 6.3 x 3 mm, 5 x 1 mm, 3.5 x 1.35 mm, 2.1 x 5.5 x 10 mm, 2.1 x 5.5 x 10.5 mm Centre Positive Fema	18VA	1800mm	-	-	-	2	-	750mA	-	106mm	-	-	-	55.5mm	-	-	-	CE	48.5mm	-	-	79%	-	240V ac	-
In Stock RS PRO 60 W AC/DC Adapter Fixed Bare end 24V dc Output, 2.5 A RS stock no. 125-4248 Subtotal (1 unit) R 937,19(exc. VAT) R 937,19/unit Quantity	-	-	AC/DC Adapter	-	24V dc	Fixed Bare end	-	-	-	-	-	60W	1500mm	-	-	-	1	-	2.5A	-	114mm	0°C	-	40°C	32mm	-	-	-	EN 55022 + EN 60950	51mm	-	-	75%	-	90V	-
In Stock RS PRO 3.6 W Switched Mode Power Supply AC/DC Adapter UK 12V dc, 3 V dc, 4.5 V dc, 5 V dc, 6 V dc, 7.5 V dc, 9 V dc RS stock no. 304-013 Subtotal (1 unit) R 338,52(exc. VAT) R 338,52/unit Quantity	-	-	AC/DC Adapter	Switched Mode Power Supply	12, 3, 4.5, 5, 6, 7.5, 9V dc	UK	-	-	-	-	Multi-Choice	3.6W	1.8m	-	-	-	1	-	-	EU Plug	69mm	0°C	-	25°C	31mm	-	-	-	CE, MFR	39mm	-	-	66%	-	264V ac	-
In Stock RS PRO 60 W Power Adapter AC/DC Adapter IEC 320 C14 12V dc Output, 5 A RS stock no. 204-7563 Subtotal (1 unit) R 732,13(exc. VAT) R 732,13/unit Quantity	-	-	AC/DC Adapter	Power Adapter	12V dc	IEC 320 C14	-	-	-	-	2.1 x 5.5 x 11 mm Centre Positive	60W	-	-	-	-	1	-	5A	IEC 320-C14	120mm	0°C	-	40°C	36mm	-	-	-	FCC, TUV, UL, CCC, CE, cULus	52.5mm	-	-	88%	-	240V ac	-
In Stock RS PRO 25 W AC/DC Adapter C14 5V dc Output, 5 A RS stock no. 229-7849 Subtotal (1 unit) R 890,44(exc. VAT) R 890,44/unit Quantity	-	-	AC/DC Adapter	-	5V dc	C14	-	-	-	-	-	25W	1.5m	-	-	-	1	-	5A	-	100mm	0°C	-	40°C	50mm	-	-	-	CCC, UL, TUV, FCC, cULus, CE	50mm	-	-	84.9%	-	240V	-
In Stock RS PRO 18 W Switched Mode Power Supply AC/DC Adapter EU 12V dc, 3 V dc, 4.5 V dc, 5 V dc, 6 V dc, 7.5 V dc, 9 V dc RS stock no. 304-016 Subtotal (1 unit) R 526,82(exc. VAT) R 526,82/unit Quantity	-	-	AC/DC Adapter	Switched Mode Power Supply	12, 3, 4.5, 5, 6, 7.5, 9V dc	EU	-	-	-	-	Interchangeable	18W	1.8m	-	-	-	1	-	-	2-Pin Euro Plug	82mm	0°C	-	25°C	36mm	-	-	-	CE Declarations	52mm	-	-	75%	-	264V ac	-