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IP - protection types

Information on IP protection (IP code) can be found in DIN EN 60529:2000-09 (VDE 0470 part 1).
Plugs and sockets used to be classified according to the degree of protection against the entry of moisture:

splashproof

=  drop in a triangle

watertight

=  2 drops

Today, complete IP protection according to IEC 60529, EN 60529 is specified for plugs and sockets, as they are tested in line with this standard. 

IP 44

=  Protection from solid bodies with a diameter ≥ 1 mm, splashproof

IP 67

=   Protection from dust ingress, protection against immersion

 

Information on IP protection (IP code) can be foundin DIN EN 60529:2000-09 (VDE 0470 part 1).

Having been properly installed, receptacles and connectors must provide the degree of protection defined by the rating, whether the plug is insertedor not.

The protection type for plugs and inlets only appliesif they are in contact with the matching piece of the connector or with a fixed cover, if applicable.

Plugs and sockets must be IP 44 or IP 67. Plugs and sockets with rated currents of 100/125A must be IP 67. 

100/125 A receptacles that are fastened to an enclosure or form a structural unit with the enclosure can be IP 44.

For receptacles IP 67, a bayonet system has been adopted as the standard in order to simplify theiruse especially under rough working conditions.

IP 44 or IP 67 is indicated on the appliances.

IP protection types for enclosures in accordance with IEC 60529, EN 60529, DIN EN 60529 (VDE 0470 part 1)

1st number of the code:
Protection against the ingress of foreign bodies andshock hazard protection.

2nd number of the code:
Protection against the ingress of moisture.

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