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6.4
Molded-case circuit breakers, fuses
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.
• For the molded-case circuit breaker/fuse for the main circuit power supply, refer to "Molded-case circuit breakers, fuses,
magnetic contactors" in the following manual.
MR-CV Power Regeneration Converter Unit User's Manual
Selection example (for control circuit power supply)
Install an overcurrent protection device (molded-case circuit breaker, fuse, etc.) to protect the branch circuit.
For crossover wiring of the control circuit power supply
Wire L11 and L21 as follows.
Refer to the following items for wires.
Page 124 Molded-case circuit breaker
Page 124 Fuse
The figure is drawn with the terminal block cover removed.
MR-CV11K4
Power supply
Molded-case
circuit breaker
*1
(MCCB)
*1 Install a dedicated molded-case circuit breaker for the control circuit power supply. Do not share the molded-case circuit breaker with the
main circuit power supply.
MR-J5D2-700G4
MR-J5D1-200G4
MR-J5D3-100G4
MR-J5D2-500G4
6 OPTIONS AND PERIPHERAL EQUIPMENT
6.4 Molded-case circuit breakers, fuses
6
123
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