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EN 60034-7
Type of encolsure
acc. to EN 60529
Voltages and Frequencies
Temperature rise
TYPE OF ENCOLSURE ACC. TO EN 60529:
Type of
enclosure
Protection against
contact
Protection against
foreign matter
Protection
against water
IP 54
full protection
against contact
against harmful dust
accumulation in the interior
against spray water
from all directions
IP 55
full protection
against contact
against harmful dust
accumulation in the interior
against water jets
IP 56
full protection
against contact
against harmful dust
accumulation in the interior
against heavy seas
Type of encolsure IP 54:
Surface cooled
Type of encolsure IP 55:
Standard construction
Terminal box: improved type of enclosure with heat-resistant seals.
Water condensate holes sealed with screws. Sealing of bearing:
sizes 56-160 by seal rings of bearing with sealing washers:
sizes 180-315 by seal rings.
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