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6 OPTIONS AND PERIPHERAL EQUIPMENT
6.10 Molded-case circuit breakers, fuses, magnetic contactors
For control circuit power supply
When the wiring for the control circuit power supply (L11/L21) is thinner than that for the main circuit power supply (L1/L2/L3),
install an overcurrent protection device (molded-case circuit breaker, fuse, etc.) to protect the branch circuit.
*1 To comply with the IEC/EN/UL/CSA standards, refer to the MR-J5 Safety Instructions and Precautions for AC Servos (IB(NA)-0300391)
for selection of molded-case circuit breakers and fuses.
Using servo amplifier with DC power supply input
When using a fuse instead of the molded-case circuit breaker, use the one having the specifications given in this section.
■For main circuit power supply [G] [A]
*1 Use a molded-case circuit breaker that has operation characteristics equal to or higher than Mitsubishi Electric general-purpose
products.
*2 Use the magnetic contactor with an operation delay time (interval between current being applied to the coil until closure of contacts) of
80 ms or less.
Servo amplifier Molded-case circuit breaker
*1
Fuse (Class T) Fuse (Class K5)
Frame, rated
current
Voltage AC [V] Current [A] Voltage AC [V] Current [A] Voltage AC [V]
MR-J5-10_ 30 A frame 5 A 240 1 300 1 250
MR-J5-20_
MR-J5-40_
MR-J5-60_
MR-J5-70_
MR-J5-100_
MR-J5-200_
MR-J5-350_
MR-J5-500_
MR-J5-700_
MR-J5W2-22G_
MR-J5W2-44G_
MR-J5W2-77G_
MR-J5W2-1010G_
MR-J5W3-222G_
MR-J5W3-444G_
Servo
amplifier
Molded-case circuit breaker
*1
Fuse Magnetic
contactor
*2
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-J5-10_ 30 A frame 5 A 30 A frame 5 A 240 T 10 400 DUD-N30
MR-J5-20_ 30 A frame 5 A 30 A frame 5 A
MR-J5-40_ 30 A frame 10 A 30 A frame 5 A 15
MR-J5-60_ 30 A frame 15 A 30 A frame 10 A 20
MR-J5-70_ 30 A frame 15 A 30 A frame 10 A
MR-J5-100_
(3-phase power
supply input)
30 A frame 15 A 30 A frame 10 A
MR-J5-100_
(1-phase power
supply input)
30 A frame 15 A 30 A frame 15 A
MR-J5-200_ 30 A frame 20 A 30 A frame 20 A 30
MR-J5-350_ 30 A frame 30 A 30 A frame 30 A 40
MR-J5-500_ 50 A frame 50 A 50 A frame 50 A 60 DUD-N60
MR-J5-700_ 100 A frame 75 A 60 A frame 60 A 80
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