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12. OPTIONS AND AUXILIARY EQUIPMENT
12.2.2 No-fuse breakers, fuses, magnetic contactors
Always use one no-fuse breaker and one magnetic contactor with one drive unit. Make selection as
indicated below according to the total output value of the servo motors connected to one base unit. When
using a fuse instead of the no-fuse breaker, use the one having the specifications given in this section.
(1) No-fuse breaker
Servo motor output total No-fuse breaker Rated current [A]
550W max. 30A frame 5A 5
More than 550W to 1100W max. 30A frame 10A 10
More than 1100W to 1650W max. 30A frame 15A 15
More than 1650W to 2200W max. 30A frame 20A 20
More than 2200W to 3300W max. 30A frame 30A 30
(2) Fuse
Fuse
Servo motor output total
Class Current [A] Voltage [V]
800W max. K5 15 AC250
More than 800W to 1100W max. K5 20 AC250
More than 1100W to 1650W max. K5 30 AC250
More than 1650W to 2200W max. K5 40 AC250
More than 2200W to 3300W max. K5 70 AC250
(3) Magnetic contactor
Servo motor output total Magnetic contactor
1700W max. S-N10
More than 1700W to 2800W max. S-N18
More than 2800W to 3300W max. S-N20