ABB 500 Series Builder's Manual page 107


Requirements
Using the IP code according IEC 60 529, the degrees of protection of the equipment are
IP21, IP41, IP43 or IP54. The IP code components are described in
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First identificaion number
Second identification number 3
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The cubicle can be equipped with thermostat
(figure 48) to prevent condensation. Normal cubicles are designed and fitted for indoor
use in a dry environment or at a reasonable humidity and air pollution level.
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2 Protected against ingress of solid objects greater
than 12 mm in diameter
4 Protected against ingress of solid objects greater
than 1 mm in diameter
5 Protected against dust
1 Protected against ingress of dripping water
Protected against ingress of spraying water
4 Protected against ingress of splashing water
(figure
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table 58.
47) controlled heating elements
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101