Siemens SIMOTICS T-1FW68, Configuration Manual

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Description of the motor
2.3 Technical features and ambient conditions
1FW68 radial segment motors
Configuration Manual, 08/2021, A5E51132930B AA
35
2.3.3 Technical features
Note
The values specified in the following table only apply in conjunction with the system
prerequisites described in "System integration".
Table 2- 1 Design of radial 1FW68 segment motors
Technical feature Version
Motor type Synchronous motor with permanent magnet rotor with a high
number of poles
Type of construction Individual components: Stator segment, rotor segment
Degree of protection according
to EN 60034-5
Stator segment: IP63
Mounted motor: The degree of protection depends on the
machine design and must therefore be realized by the
machine manufacturer. The minimum requirement is IP23.
Cooling method Water cooling with integrated cooling system
Maximum pressure in the
cooling circuit
10 bar
Thermal motor protection
per stator segment
1x PTC for thermistor triplet with response thr130 ° C
(according to DIN 44081/44082)
Evaluated via a TM120 Terminal Module (see the
SINAMICS S120 Manual)
Temperature monitoring
per stator segment
1 x Pt1000 (according to EN 60751)
Evaluated via a TM120 Terminal Module (see the
SINAMICS S120 Manual)
2nd rating plate Enclosed separately
Insulating material class of
stator winding according to
EN 60034-1
Temperature class 155 (F)
Impulse withstand voltage
insulation class according to
EN 60034-18-41
IVIC: C