10.2
Degree of protection
The protection type according to EN 60034-5 is determined by the abbrevia‐
tion IP (International Protection) and two code numbers for the degree of pro‐
tection. The first code number describes the degree of protection against
contact with and ingress of foreign bodies, the second code number de‐
scribes the degree of protection against ingress of water.
first code number
Degree of protection
6
Protection against penetration of dust (dust-proof); complete contact
protection
second code number
Degree of protection
5
Protection against a jet of water from a nozzle which is directed
against the housing from all directions (jet water)
Tab. 10-4:
IP protection types
①
Motor housing and output shaft with shaft sealing ring
②
Connector in mated condition
Fig. 10-3:
IP protection type ranges for MSK motors in ATEX version
Motor area
Degree of protec‐
tion
① Motor housing, output shaft
IP 65
② Connector with properly connected cable socket
IP 67
Tab. 10-5:
Motor protection type
The tests for the second code number are carried out with fresh water. If
cleaning processes with high pressure and/or solvents, cooling lubricants or
creep oils are used, a higher degree of protection may be required.
DOK-MOTOR*-MSK*EXGIIK3-PR09-EN-P
Bosch Rexroth AG
119/175
Synchronous Servomotors MSK For Potentially Explosive Areas
Operating conditions and application notes
Содержание MSK030B NSNN Series
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