A-42
Engineering Guide CDA3000
Appendix A Formula bank
6
Protection
against powerful
water jet spray
A powerful water jet directed from any direction onto the
housing must not have any damaging effect.
7
Protection in case
of temporary
immersion
Water must not intrude in damaging quantities when the
equipment is immersed in water under standardized pressure
and time conditions.
8
Protection in case
of permanent
immersion
Water must not intrude in damaging quantities when the
equipment is permanently immersed in water under conditions
which must be agreed between the manufacturer and the user.
The conditions must be more severe than those for code
digit 7.
9K*
Protection in case
of high-pressure/
steam jet
cleaning
Water directed from any direction under very high pressure
onto the housing must not have any damaging effect.
Water pressure 100 bar
Water temperature 80°C
* This code digit originates from the standard DIN 40050 Part 9.
First
code
digit
Scope of protection
Designation Explanation
Table 1.4 For water protection
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