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14. OPTIONS AND AUXILIARY EQUIPMENT
14.2.2 Circuit breakers, fuses, magnetic contactors
Always use one circuit breaker and one magnetic contactor with one servo amplifier. When using a fuse
instead of the circuit breaker, use the one having the specifications given in this section.
Fuse
Servo amplifier Circuit breaker
Class Current [A] Voltage [V]
Magnetic contactor
MR-J2S-10CP(1) 30 frame 5A K5 10
MR-J2S-20CP 30 frame 5A K5 10
MR-J2S-40CP 20CP1 30 frame 10A K5 15
MR-J2S-60CP 40CP1 30 frame 15A K5 20
MR-J2S-70CP 30 frame 15A K5 20
MR-J2S-100CP 30 frame 15A K5 25
S-N10
MR-J2S-200CP 30 frame 20A K5 40 S-N18
MR-J2S-350CP 30 frame 30A K5 70 S-N20
MR-J2S-500CP 50 frame 50A K5 125 S-N35
MR-J2S-700CP 100 frame 75A K5 150
250AC
S-N50
14.2.3 Power factor improving reactors
The input power factor is improved to be about 90%. For use with a 1-phase power supply, it may be
slightly lower than 90%.
W
W1C
RXSYTZ
H 5(0.2)
D1
Installation screw
D 5(0.2)
[Unit : mm]
([Unit : in.])
3-phase
200 to 230VAC
NFB
FR-BAL
R
S
T
X
Y
Z
L
1
L
2
L
3
MC
1-phase
230VAC
NFB
FR-BAL
R
S
T
X
Y
Z
L
1
L
2
L
3
MC
1-phase
100 to120VAC
NFB
FR-BAL
R
S
T
X
Y
Z
L
1
L
2
MC
(Note)
Servo amplifie
r
MR-J2S- CP
Servo amplifie
r
MR-J2S- CP
Servo amplifie
r
MR-J2S- CP
Note. Connect a 1-phase 230VAC power supply to L1/L2 and keep L3 open.