Selection Example Of Wires - Mitsubishi Electric Melservo-Jet MR-JET Series User Manual

6.5

Selection example of wires

To make the servo amplifier comply with IEC/EN/UL/CSA standards, refer to "MR-JET Safety Instructions and
Precautions for AC Servos (IB(NA)-0300492)" for selection of molded-case circuit breakers and fuses. To
comply with other standards, use wire that complies with each standard.
Selection conditions of wire size are as follows.
Construction requirements: Single wire set in midair
Wiring length: 30 m or shorter
The following shows the wires used for wiring. Use the wires given in this section or equivalent wires.
(1) Power supply lead
Power supply
Regenerative option
(3) Regenerative option lead
Example of selecting the wire sizes
Use the 600 V Grade heat-resistant polyvinyl chloride insulated wire (HIV wire) for wiring. The following shows the wire size
selection examples.
Servo amplifier
MR-JET-10_
MR-JET-20_
MR-JET-40_
MR-JET-70_
MR-JET-100_
MR-JET-200_
(3-phase power supply input)
MR-JET-200_
(1-phase power supply input)
MR-JET-300_
*1 The wire size shows applicable size of the servo amplifier connector. For wires connecting to servo motors, refer to the following
manual.
Rotary Servo Motor User's Manual (HG-KNS/HG-SNS)
*2 Be sure to use the size of 2 mm
Servo amplifier
L1 U
L2 V
L3 W
(2) Servo motor power lead
C
P+
2
Wire [mm ]
(1) L1/L2/L3/
2 (AWG 14)
3.5 (AWG 12)
2
for compliance with the IEC/EN/UL/CSA standard.
M
(3) P+/C
2 (AWG 14)
6 OPTIONS AND PERIPHERAL EQUIPMENT
6.5 Selection example of wires
*1
(2) U/V/W/
*2
AWG 18 to 14
AWG 16 to 10
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