Mitsubishi Electric MELSERVO-J3W Series, Instruction Manual

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11. OPTIONS AND AUXILIARY EQUIPMENT
11 - 41
11.7 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 .
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.
When using two different types of motors in combination from a rotary servo motor, a linear servo motor or a
direct drive motor, select a power factor improving AC reactor temporarily assuming that the same type of the
motors are used for both axes. After selecting for the two types, use the larger power factor improving AC
reactor.
W
W1 C
RX S Y T Z
H
5
D1
Installation screw
D
5
[Unit : mm]
Y
Z
S
T
MC MCCB
Y
Z
S
T
MC MCCB
FR-BAL
Servo amplifier
X R
L
1
L
2
L
3
3-phase
200 to 230VAC
FR-BAL
Servo amplifier
X
Y
Z
R
S
T
L
1
L
2
(Note)
1-phase
200 to 230VAC
L
3
Note. For the 1-phase 200V to 230V power supply, Connect the
power supply to L
1
, L
2
and leave L
3
open.
Dimensions [mm]
Total output of
rotary servo
motor
Total
continuous
thrust of linear
servo motor
Total output of
direct drive
motor
Power factor
improving AC
reactor
W W1 H D D1 C
Mounting
screw size
Terminal
screw
size
Mass
[kg (lb)]
300W or less FR-BAL-0.4K 135 120 115 59 45 7.5
M4
M3.5
2.0
(4.41)
From over
300W to 450W
100N or less 100W or less FR-BAL-0.75K 135 120 115 69 57 7.5
M4
M3.5
2.8
(6.17)
From over
450W to 600W From over
100N to 120N From over
100W to 150W
FR-BAL-1.5K 160 145 140 71 55 7.5
M4
M3.5
3.7
(8.16)
From over
600W to 1kW From over
120N to 240N From over
150W to 250W
FR-BAL-2.2K 160 145 140 91 75 7.5
M4
M3.5
5.6
(12.35)
From over
1kW to 2.0kW From over
240N to 480N From over
250W to 838W
FR-BAL-3.7K 220 200 192 90 70
0
2.5
10
M5
M4
8.5
(18.74)