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1.Schuko plug
The German Schuko plug and the Euro plug are both types of electrical plugs that are commonly used in Europe. However, there are some key differences between the two. The German Schuko plug, also known as a CEE 7/4 plug, has two round pins and a grounding pin. It is typically used in Germany, Austria, the Netherlands, Belgium, and other parts of Europe. The Euro plug, also known as a CEE 7/16 plug, has two round pins and is typically used in other parts of Europe, such as France, Spain, Italy, and the United Kingdom. It does not have a grounding pin.In summary, the main difference between the German Schuko plug and the Euro plug is that the Schuko plug has a grounding pin and the Euro plug does not. This means that devices that use a Schuko plug can be grounded for added safety, while devices that use a Euro plug cannot.
Schuko plug is grounded. It has two 4.8 mm wide pins that are 19 mm long and 19 mm apart. Grounding is on the metal strips in the top and bottom. The plug is not polarized. Schuko is rated for 16 A but the circuits it is used can also be 10 A s it is uncommon for an equipment to use more than 10 A.
The Schuko system originated in Germany. It is believed to date from 1925 and is attributed to Albert Büttner, a Bavarian manufacturer of electrical accessories. Büttner's company, Bayerische Elektrozubehör AG, was granted patent DE 489 003 in 1930 for a Stecker mit Erdungseinrichtung ('plug with earthing device'). Büttner's patent DE 370 538 is often quoted as referring to Schuko, but it actually refers to a method of holding together all of the parts of a plug or socket with a single screw which also provides clamping for the wires; there is no mention of an earth connection in DE 370538. At this time Germany used a 220 V centre tap giving 127 V from current pins to earth,[citation needed] which meant that fuse links were required in both sides of the appliance and double pole switches. Variations of the original Schuko plug are used today in more than 40 countries, including most of Continental Europe.
Schuko (/ˈʃuːkoʊ/) is a plug/socket system used in much (but not all) of Europe and in many countries east of there. It is a registered trademark referring to a system of AC power plugs and sockets that is defined as "CEE 7/3" (sockets) and "CEE 7/4" (plugs). A Schuko plug features two round pins of 4.8 mm diameter (19 mm long, centers 19 mm apart) for the line and neutral contacts, plus two flat contact areas on the top and bottom side of the plug for protective earth (ground). The socket (which is often, in error, also referred to as CEE 7/4) has a predominantly circular recess which is 17.5 mm deep with two symmetrical round apertures and two earthing clips on the sides of the socket positioned to ensure that the earth is always engaged before live pin contact is made. Schuko plugs and sockets are symmetric AC connectors. They can be mated in two ways, therefore line can be connected to either pin of the appliance plug. As with most types of European sockets, Schuko sockets can accept Europlugs. Schuko plugs are considered a very safe design when used with Schuko sockets, but they can also mate with other sockets to give an unsafe result.
2.EU plug
Europlug is a flat plug for double insulated equipment. It has two pins that are 4 mm on the tips and 3.8 mm otherwise. The pongs are slight bent inwards an flexible. The pins are thinner so that they can be used in countries like Italy and Switzerland that have 4 mm pins. Because the plug is a compromise it is limited to 2.5 amperes which enough for most consumer electronics, lamps etc.
The pins of the Europlug are 19 mm long. They consist of a 9 mm long conductive tip of 4 mm diameter with a rounded ending, followed by a 10 mm long flexible insulated shaft of not more than 3.8 mm diameter. The two pins are not exactly parallel and converge slightly; their centres are 17 to 18 mm apart at the tip and 18 to 19 mm apart at the base. The elasticity of the converging pins provides sufficient contact force for the Europlug's current rating with a variety of socket-hole arrangements. The entire plug is 35.3 mm wide and 13.7 mm high, and must not exceed these dimensions within 18 mm behind its front plane (this allows for the recesses on many European socket types). The left and right side of the plug are formed by surfaces that are at 45° relative to the horizontal plane.
e dimensions of the Europlug were chosen for compatibility and safe use, such that with continental European domestic power sockets
reliable contact is established when the plug is fully inserted;
no live conductive parts are accessible while the plug is inserted into each type of socket;
it is not possible to establish a connection between one pin and a live socket contact while the other pin is accessible.
Additionally, the design allows for a more compact and less bulky design of mobile phone chargers, than the BS 1363 form factor in the UK.
Europlugs are only designed for low-power (less than 2.5 A) Class II (double-insulated) devices that operate at normal room temperature and do not require a protective-earth connection.
3.The main differences are as follows:
Post time: Mar-08-2024