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DOK-MOTOR*-MSK********-PR12-EN-P
Synchronous Servomotors MSK
6
Type code
6.1
MSK type code - structure and description
General information
Product
Frame size
Frame length
Winding
Cooling type
Encoder
Electrical connection
The basis for every order for a Rexroth product is the type code. All available
motor variants are clearly described by the type code. The individual type
code positions (short text column) and their meaning are described below.
Have your Bosch Rexroth sales partner check the availability of
individual options before placing an order.
Example: MSK-...
MSK three-digit Rexroth specific designation of a servo motors series
Example: MSK050-...
The motor size determines important mechanical motor dimensions and is
proportional to the power rating.
Example: MSK050B-...
Within a series, increasing motor frame length is graded by means of code
letters in alphabetical order. Frame lengths are e.g. B, C, D and E.
Example: MSK050B-0300-...
The four-digit number sequence indicates the rated speed which applies to
the respective winding variant.
Example: MSK050B-0300-NN-...
Option
Design
NN
Natural convection
FN
Liquid cooling
SA
Blowing axial fan
Tab. 6-1:
Cooling types
Example: MSK050B-0300-NN-S1-...
MSK motors are equipped with built-in encoder systems. For controlling the
motor speed and/or positioning of the motor, the drive control unit requires
the current motor position.
Example: MSK050B-0300-NN-S1-U-...
Option
Description
U
Power and encoder connector, rotatable
A
Cable connector, A side
B
Cable connector, B side
L
Cable connector to the left
R
Cable connector to the right
F
Terminal box
Detailed description of the plug connectors see
191
Tab. 6-2:
Electrical connection
Example: MSK050B-0300-NN-S1-UG-...
Shaft
MSK motors provide the following options to connect the machine elements
to be driven to the motor shafts.
Bosch Rexroth AG
Note
Fan installation possible
Standard connection for cooling lines 1/8"; fan in‐
stallation not possible
only applicable to MSK133 motors
chapter 8 "Connection technique" on page
159/279
Type code
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