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MDS-D-SVJ3/SPJ3 Series Instruction Manual
2-6 Connection of power supply
2 - 31
2-6 Connection of power supply
2-6-1 Power supply input connection
Drive the contactor via the relay from the contactor control output of the (MC) CN9 connector.
1. Make sure that the power supply voltage is within the specified range of each unit. Failure to
observe this could lead to damage or faults.
2. For safety purposes, always install a circuit protector, and make sure that the circuit is cut off when
an error occurs or during inspections.
3. The wire size will differ according to each drive unit capacity.
4. For safety purposes, always install a magnetic contactor (contactor) on the main circuit power
supply input. Large rush currents will flow when the power is turned ON.
CAUTION
L11
L21
L1
L2
L3
MDS-D-SVJ3
L11
L21
L1
L2
L3
MDS-D-SPJ3
MC
15
DICOM
5
3
+
-
+
-
CN9
CN9
DOCOM
MC
15
DICOM
5
3
DOCOM
There are also types that are
built into the contactor.
Contactor
Class 3
grounding
or higher
3-phase
200 to 230VAC
Contactor
Circuit
protector
Circuit
protector
24VDC
24VDC