10 OPTIONS AND PERIPHERAL EQUIPMENT
10.3 Molded-case circuit breakers, fuses, magnetic contactors
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10.3 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.
• Select the molded-case circuit breakers specified in this section.
• Wire the molded-case circuit breaker and magnetic contactor as recommended.
For main circuit power supply
*1 To comply with the IEC/EN/UL/CSA standards, refer to "MR-CV_ Instructions and Cautions for Safe Use of AC Servos (IB(NA)-
0300228)".
*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.
Converter unit Molded-case circuit breaker
*1
Fuse Magnetic
contactor
*2
Frame, rated current Voltage AC
[V]
Class Current [A] Voltage AC
[V]
MR-CV11K 50 A frame 50 A 240 T 100 300 S-T35
MR-CV18K 100 A frame 100 A 175 S-T65
MR-CV30K 225 A frame 150 A 300 S-N125
MR-CV37K 225 A frame 175 A 350 S-N125
MR-CV45K 225 A frame 225 A 400 S-N150
MR-CV55K 400 A frame 300 A 600 S-N220
MR-CV11K4 30 A frame 30 A 480 50 600 S-T21
MR-CV18K4 50 A frame 50 A 100 S-T35
MR-CV30K4 100 A frame 80 A 175 S-T65
MR-CV37K4 100 A frame 100 A 200 S-T80
MR-CV45K4 125 A frame 125 A 250 S-T100
MR-CV55K4 225 A frame 150 A 300 S-N125
MR-CV75K4 225 A frame 200 A 350 S-N150
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