APPX
Appendix 1 When using the servo amplifier with the DC power supply input
567
A
Molded-case circuit breakers, fuses, magnetic contactors
For main circuit power supply
When using a fuse instead of the molded-case circuit breaker, use the one having the specifications given in this section.
*1 Use a molded-case circuit breaker which has the same or higher operation characteristics than our lineup.
*2 Use a magnetic contactor with an operation delay time (interval between current being applied to the coil until closure of contacts) of 80
ms or less.
CAUTION
• To prevent the servo amplifier from smoke and a fire, select a molded-case circuit breaker which shuts off with high speed.
• Always use one molded-case circuit breaker and one magnetic contactor with one servo amplifier.
Servo
amplifier
Molded-case circuit breaker
Fuse
Magnetic
contactor
Frame, rated current
Voltage AC
[V]
Class
Current [A]
Voltage DC
[V]
Power factor
improving
reactor is not
used
Power factor
improving
reactor is used
MR-J4-10GF-RJ
30 A frame 5 A
30 A frame 5 A
240
T
10
400
DUD-N30
MR-J4-20GF-RJ
30 A frame 5 A
30 A frame 5 A
MR-J4-40GF-RJ
30 A frame 10 A
30 A frame 5 A
15
MR-J4-60GF-RJ
30 A frame 15 A
30 A frame 10 A
20
MR-J4-70GF-RJ
30 A frame 15 A
30 A frame 10 A
MR-J4-100GF-RJ
(3-phase power
supply input)
30 A frame 15 A
30 A frame 10 A
MR-J4-100GF-RJ
(1-phase power
supply input)
30 A frame 15 A
30 A frame 15 A
MR-J4-200GF-RJ
30 A frame 20 A
30 A frame 20 A
30
MR-J4-350GF-RJ
30 A frame 30 A
30 A frame 30 A
40
MR-J4-500GF-RJ
50 A frame 50 A
50 A frame 50 A
60
DUD-N60
MR-J4-700GF-RJ
100 A frame 75 A
60 A frame 60 A
80
MR-J4-11KGF-RJ
100 A frame 100 A
100 A frame 100 A
125
DUD-N120
MR-J4-15KGF-RJ
125 A frame 125 A
125 A frame 125 A
175
MR-J4-22KGF-RJ
225 A frame 175 A
225 A frame 175 A
300
DUD-N180
Summary of Contents for MELSERVO-J4 series
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