7.4.14 Fan 3-phase 400 / 480 V
Fig. 22: MS2N Fan connection 400 / 480 V
Fig. 23: RLS0782_Single components fan
connector
Table 11: Connector fan unit for MS2N__-____C (U
N
400 / 480 V )
Assignment Connection
1 L1 0.5 … 2.5 mm
2
22 ... 12 AWG
Clamping screws M3 / tight-
ening torque 0.5 ... 0.7 Nm
2 L2
3 L3
4 n. c.
PE
Protection by motor protection switch
The fan units are connected via adjustable motor
protection devices. The motor protection switch
must be set to the rated current of the fan unit.
When selecting the motor protection switches,
make sure that the setting range matches the
rated current of the fan unit.
7.4.15 Ground connection
For MS2N motors, an additional grounding con-
nection is provided. Refer to the following data to
provide an additional grounding connection.
Ground connection Screw M5
Clamping range
4 mm² (fine-wired); 6
mm² (single stranded)
Tightening torque maximum 2 Nm
Mounting notes
The screw terminal
block with clamping
bracket has to be
assigned in a cor-
rect way according to
EN 60999-1: 2000.
7.4.16
SpeedCon connectors
WARNING
Risk of personal injury or damage to property
due to disconnecting or connecting live plug con-
nections!
−
Only disconnect or connect plug connec-
tions when they are dry and de-energized.
− During operation of the system, all plug con-
nections must be firmly locked or screwed
tight.
Observe when connecting the flange sockets:
• Protect the device connectors from external
force effect.
•
Connect the motor to ready-made connec-
tion cables.
Assembly
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