Mr-J3W Series, No-Fuse Breakers, Fuses, Magnetic Contactors - Mitsubishi Electric MELSERVO-J3 Series Handbook
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Also See for MELSERVO-J3 Series:
- Instruction manual (802 pages) ,
- Manual (668 pages) ,
- Transition handbook (708 pages)
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Part 8: Review on Replacement of Optional Peripheral Equipment
4.3.3 MR-J3W series, no-fuse breakers, fuses, magnetic contactors
Always use one molded-case circuit breaker and one magnetic contactor with one servo amplifier. When
using a fuse instead of the molded-case circuit breaker, use the one having the specifications given in this
section.
When using two different types of motors in combination from a rotary servo motor, a select a molded-case
circuit breaker, a fuse or a magnetic contactor temporarily assuming that the same type of the motors are
used for both axes. After selecting for the two types, use the larger molded-case circuit breaker, fuse or
magnetic contactor.
Total output of rotary servo motor
300 W or less
From over 300W to 600W
From over 600W to 1kW
From over 1kW to 2.0kW
Note 1. In order for the servo amplifier to comply with the UL/CSA standard, refer to the applicable "Servo Amplifier Instruction
Manual".
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.
Servo amplifier
MR-J3W-0303BN6
Note. For operation characteristics, use an intermediate speed type.
Molded-case circuit breaker
Current
Not using power
factor improving
AC reactor
30 A frame 5 A
30 A frame 10 A
30 A frame 15 A
30 A frame 20 A
Power supply specification
Control circuit power supply (24 V DC)
Main circuit power supply (48 V DC)
Control circuit power supply/main circuit
power supply (24 V DC)
Voltage
Using power
AC [V]
factor improving
AC reactor
30 A frame 5 A
30 A frame 10 A
240
30 A frame 10 A
30 A frame 15 A
Circuit protector (Note)
CP30-BA 1P 1-M 1A
CP30-BA 1P 1-M 5A
CP30-BA 1P 1-M 10A
8 - 30
Fuse
Class
Current
Voltage
(Note 1)
[A]
AC [V]
15
20
K5
300
20
30
Magnetic
contactor
(Note 2)
S-N10
S-N18
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