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14. OPTIONS AND AUXILIARY EQUIPMENT
14.12 Power factor improving reactors
The power factor improving 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.
W
R X S Y T Z
C
W1
Servo amplifier
Model
MR-J3-10T/20T/10T1
FR-BAL-0.4K
MR-J3-40T/20T1
FR-BAL-0.75K
MR-J3-60T/70T/40T1
FR-BAL-1.5K
MR-J3-100T
FR-BAL-2.2K
MR-J3-200T
FR-BAL-3.7K
MR-J3-350T
FR-BAL-7.5K
MR-J3-500T
FR-BAL-11K
MR-J3-700T
FR-BAL-15K
MR-J3-11KT
MR-J3-15KT
FR-BAL-22K
MR-J3-22KT
FR-BAL-30K
[Unit : mm]
3-phase
230VAC
D1
Installation screw
(Note)
1-phase
200v to 230VAC
1-phase
100 to120VAC
Note. For the 1-phase 200V to 230V power supply, Connect the power
Dimensions [mm]
W
W1
H
135
120
115
135
120
115
160
145
140
160
145
140
220
200
192
220
200
194
280
255
220
295
270
275
295
270
275
290
240
301
290
240
301
14 - 52
NFB
200 to
NFB
NFB
supply to L1, L2 and leave L3 open.
D
D1
59
45
0
-2.5
69
57
0
-2.5
71
0
55
-2.5
91
75
0
-2.5
90
70 5
120
100 5
135
100
133
110
0
-2.5
133
199
170 5
219
190 5
Servo amplifier
FR-BAL
MR-J3-
MC
R
X
L
S
Y
L
T
Z
L
Servo amplifier
FR-BAL
MR-J3-
MC
R
X
L
1
S
Y
L
2
T
Z
L
3
Servo amplifier
FR-BAL
MR-J3-
MC
R
X
L
1
S
Y
Blank
T
Z
L
2
Terminal
Mounting
screw
screw size
C
size
7.5
M4
M3.5
7.5
M4
M3.5
7.5
M4
M3.5
7.5
M4
M3.5
10
M5
M4
10
M5
M5
12.5
M6
M6
12.5
M6
M6
25
M8
M8
25
M8
M8
T
1
2
3
T
T1
Mass
[kg (lb)]
2.0 (4.4)
2.8 (6.17)
3.7 (8.16)
5.6 (12.35)
8.5 (18.74)
14.5 (32.0)
19 (41.9)
27(59.53)
35(77.16)
43(94.79)
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