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15. SERVO AMPLIFIERS WITH A LARGE CAPACITY
(
30k TO 55kW
)
(1) When using the 600V Polyvinyl chloride insulated wire (IV wire)
Selection example of wire size when using IV wires is indicated below.
Table 15.4 Wire size selection example 1 (IV wire)
Converter unit
(Note 2)
Drive unit
Wires[mm
2
] (Note 1, 3)
1)
L
1
L
2
L
3
2)
L
11
L
21
3) U
V W
P
1
P
2
4)
P
2
C
5)
BU BV BW
6)
OHS1 OHS2
MR-J3-CR55K
MR-J3-DU30KA 50(AWG1/0): d 60(AWG2/0): d
2(AWG14)
MR-J3-DU37KA 60(AWG2/0): d (Note 4)
MR-J3-DU30KA4 22(AWG4): b
2(AWG14)
30(AWG2): f
5.5(AWG10): a
1.25(AWG16)
MR-J3-CR55K4
MR-J3-DU37KA4 30(AWG2): c 38(AWG2): f
1.25(AWG16)
MR-J3-DU45KA4 38(AWG2): c 50(AWG1/0): d
MR-J3-DU55KA4 50(AWG1/0): d 60(AWG2/0): d
Note 1. Alphabets in the table indicate crimping tools. For crimping terminals and applicable tools, refer to (3) in this section.
2. When connecting to the terminal block, be sure to use the screws which are provided with the terminal block.
3. For the servo motor with a cooling fan.
4. Wires are selected based on the highest rated current among combining servo motors.
(2) When using the 600V Grade heat-resistant polyvinyl chloride insulated wire (HIV wire)
Selection example of wire size when using HIV wires is indicated below.
Table 15.5 Wire size selection example 2 (HIV wire)
Converter unit
(Note 2)
Drive unit
Wires[mm
2
] (Note 1, 3)
1)
L
1
L
2
L
3
2)
L
11
L
21
3) U
V W
P
1
P
2
4)
P
2
C
5)
BU BV BW
6)
OHS1 OHS2
MR-J3-CR55K
MR-J3-DU30KA 38(AWG2): c 60(AWG2/0): d
2(AWG14)
MR-J3-DU37KA 60(AWG2/0): d 60(AWG2/0): d
MR-J3-DU30KA4 22(AWG4): b
2(AWG14)
22(AWG4): e
5.5(AWG10): a
1.25(AWG16)
MR-J3-CR55K4
MR-J3-DU37KA4 22(AWG4): b 22(AWG4): e
1.25(AWG16)
MR-J3-DU45KA4 38(AWG2): c 38(AWG2): c
MR-J3-DU55KA4 38(AWG2): c 38(AWG2): c
Note 1. Alphabets in the table indicate crimping tools. For crimping terminals and applicable tools, refer to (3) in this section.
2. When connecting to the terminal block, be sure to use the screws which are provided with the terminal block.
3. For the servo motor with a cooling fan.