Molded-Case Circuit Breakers, Fuses, Magnetic Contactors; Selection Example - Mitsubishi Electric MELSERVO MR-J5 Series User Manual

6.11
Molded-case circuit breakers, fuses, magnetic
contactors
When using a fuse instead of the molded-case circuit breaker, use the one having the specifications given in this section.
Precautions
• Select the molded-case circuit breakers specified in this section.
• Wire the molded-case circuit breaker and magnetic contactor as recommended.

Selection example

For main circuit power supply (1-axis servo amplifier)
200 V class
Servo Molded-case circuit breaker
amplifier
Frame, rated current
Power factor
improving reactor is
not used
MR-J5-10_ 30 to 125 A frame 5 A
MR-J5-20_ 30 to 125 A frame 5 A
MR-J5-40_ 30 to 125 A frame 10 A
MR-J5-60_ 30 to 125 A frame 15 A
MR-J5-70_ 30 to 125 A frame 15 A
MR-J5-100_ 30 to 125 A frame 15 A
(3-phase power
supply input)
MR-J5-100_
30 to 125 A frame 15 A
(1-phase power
supply input)
MR-J5-200_ 30 to 125 A frame 20 A
MR-J5-350_ 30 to 125 A frame 30 A
MR-J5-500_ 50 to 125 A frame 50 A
MR-J5-700_ 100 to 125 A frame 75 A
*1 Refer to the following page for compliance with IEC/EN/UL/CSA standards.
Page 338 Example settings that comply with IEC/EN/UL 61800-5-1 and CSA C22.2 No.274
*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.
*1
Voltage AC [V] Class
Power factor
improving reactor is
used
30 to 125 A frame 5 A 240
30 to 125 A frame 5 A
30 to 125 A frame 5 A
30 to 125 A frame 10 A
30 to 125 A frame 10 A
30 to 125 A frame 10 A
30 to 125 A frame 15 A
30 to 125 A frame 20 A
30 to 125 A frame 30 A
50 to 125 A frame 50 A
60 to 125 A frame 60 A

6.11 Molded-case circuit breakers, fuses, magnetic contactors

Fuse
Current [A] Voltage AC [V]
T 10 300
15
20
30
40
70
125
150
6 OPTIONS AND PERIPHERAL EQUIPMENT
Magnetic
*2
contactor
6
S-T10
S-T10
S-T21
S-T21
S-T25
S-T35
S-T35
S-T50
329