REXROTH MKD071B-061 User Manual

Synchronous Motors MKD Application Instructions 13-3
DOK-MOTOR*-MKD*******-PR07-EN-P Version7.0 19.05.2004
13.2 Degree of protection
The type of protection is defined by the identification symbol IP
(International Protection) and two characteristic numerals specifying the
degree of protection.
The first characteristic numeral defines the degree of protection
against contact and penetration of foreign particles. The second
characteristic numeral defines the degree of protection against water.
First char-
acteristic
numeral
Degree of protection
6
Protection against penetration of dust (dust-proof);
complete shock protection
4
Protection against penetration of solid foreign particles, more
than 1 mm in diameter
2
Protection against penetration of solid foreign particles, more
than 12 mm in diameter
⇒ Keep away fingers or similar objects!
Second
charac-
teristic
numeral
Degree of protection
7
Protection against harmful effects if temporarily immersed in
water
5
Protection against a water jet from a nozzle directed against
the housing from all directions (jet water)
4
Protection against water splashing against the housing from
all directions (splashwater)
Fig. 13-4: IP degrees of protection
Tests regarding the second characteristic numeral must be
performed using fresh water. If cleaning is effected using high pressure
and/or solvents, coolants, or penetrating oils, it might be necessary to
select a higher degree of protection.
The design of the MKD motors complies with the following degrees of
protection according to DIN VDE 0470, Part 1, ed. 11/1992 (EN 60 529):
Motor ranges Degree of
protection
Remark
Motor housing, output shaft, power
and feedback connectors (if
mounted properly only)
Approx. IP
67
If fitted with the
optional sealing air
connection
Motor housing, output shaft, power
and feedback connectors (if
mounted properly only)
IP 65 Standard design
Blower motor IP 44 Standard design
Surface-cooling (blower grille) and
blower connection
IP 24 Standard design
Fig. 13-5: Ranges of IP degrees of protection for the motors

REXROTH MKD071B-061 Specifications

General

Brand	REXROTH
Model	MKD071B-061
Category	Engine
Language	English