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Mounting and installation information for junction boxes
2. Protection ratings according to IEC 60529 (VDE 470-1)
The IP protection rating specifies how far a component
is protected against contact and foreign bodies and the
ingress of water. The IP protection ratings are controlled
by the standard DIN EN 60529 (VDE 0470 Part 1). The
IP is always made up of two digits.
The first digit designates the contact and foreign body
protection. On the one hand, it specifies how far a hous-
ing prevents access to dangerous parts, by preventing
or limiting the ingress of body parts or objects held by a
person. On the other hand, it specifies how far the hous-
ing protects the installed resources against the ingress of
solid foreign bodies.
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The second digit specifies the protection against water.
It specifies how far the resource is protected against in-
coming water and the resulting damage.
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