Instruction manual

11 - 60
11. OPTIONS AND AUXILIARY EQUIPMENT
11.14 Power factor improving AC reactors
The power factor improving AC reactors improve the phase factor by increasing the form factor of servo
amplifier's input current.
It can reduce the power capacity.
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%.
In addition, it reduces the higher harmonic of input side.
When using power factor improving reactors for two servo amplifiers or more, be sure to connect a power
factor improving reactor to each servo amplifier.
If using only one power factor improving reactor, enough improvement effect of phase factor cannot be
obtained unless all servo amplifiers are operated.
Z
3-phase
200 to 230VAC
or
3-phase
380 to 480VAC
NFB
FR-BAL
Servo amplifier
MR-J3- B(4)
R
S
T
X
Y
Z
L
1
L
2
L
3
MC
1-phase
200v to 230VAC
NFB
FR-BAL
Servo amplifier
MR-J3- B
R
S
T
X
Y
Z
L
1
L
2
L
3
MC
W
W1C
RXSYTZ
H 5
D1
Installation screw
D 5
[Unit : mm]
(Note)
1-phase
100 to120VAC
NFB
FR-BAL
Servo amplifier
MR-J3- B1
R
S
T
X
Y
L
1
Blank
MC
L
2
Note. For the 1-phase 200V to 230V power supply, Connect the power
supply to L1, L2 and leave L3 open.
Dimensions [mm]
Servo amplifier Model
WW1H D D1 C
Mounting
screw size
Terminal
screw
size
Mass
[kg (lb)]
MR-J3-10B/20B/10B1 FR-BAL-0.4K 135 120 115 59
45
-2.5
0
7.5 M4 M3.5 2.0 (4.4)
MR-J3-40B/20B1 FR-BAL-0.75K 135 120 115 69
57
-2.5
0
7.5 M4 M3.5 2.8 (6.17)
MR-J3-60B/70B/40B1 FR-BAL-1.5K 160 145 140 71
55
-2.5
0
7.5 M4 M3.5 3.7 (8.16)
MR-J3-100B FR-BAL-2.2K 160 145 140 91
75
-2.5
0
7.5 M4 M3.5 5.6 (12.35)
MR-J3-200B FR-BAL-3.7K 220 200 192 90 70 5 10 M5 M4 8.5 (18.74)
MR-J3-350B FR-BAL-7.5K 220 200 194 120 100 5 10 M5 M5 14.5 (32.0)
MR-J3-500B FR-BAL-11K 280 255 220 135 100 12.5 M6 M6 19 (41.9)
MR-J3-700B 295 270 275 133
MR-J3-11KB
FR-BAL-15K
295 270 275 133
110
0
-2.5
12.5 M6 M6 27(59.53)
MR-J3-15KB FR-BAL-22K 290 240 301 199 170 5 25 M8 M8 35(77.16)
MR-J3-22KB FR-BAL-30K 290 240 301 219 190 5 25 M8 M8 43(94.79)
MR-J3-11KB4 FR-BAL-H15K 295 270 244 130 110 5 12.5 M6 M5 27(59.53)
MR-J3-15KB4 FR-BAL-H22K 290 240 269 199 170 525 M8M8
About 35
(About 77.16)
MR-J3-22KB4 FR-BAL-H30K 290 240 290 219 190 525 M8M8
About 43
(About 94.79)