Hitachi SJ300 Series

25
WIRING and ACCESSORIES
Note 1: Field wiring connection must be made by a UL and c-UL listed closed-loop terminal connector sized for
the wire gauge involved.
Connector must be fixed using the crimping tool specified by the connector manufacturer.
Note 2: Be sure to use large wire gauges for power wiring if the distance exceeds 20m (66ft).
Note: An EMI filter is required for European EMC directive and C-Tick, but the others are not for this purpose.
R
R0
T0
ST
UVW
PD
P
RB
N
IM
Fuse
Power Supply
Motor
Inverter
(
L1
)(
L2
)(
L3
)
(
T1
)(
T2
)(
T3
)
(+1)
(
- )
(+)
This is useful in suppressing harmonics induced on the power sup-
ply lines, or when the main power voltage imbalance exceeds 3%
(and power source capacity is more than 500kVA), or to smooth out
line fluctuations. It also improves the power factor.
Reduces the conducted noise on the power supply wiring generat-
ed by the inverter. Connect to the inverter input side.
Electrical noise interference may occur on nearby equipment such
as a radio receiver. This magnetic choke filter helps reduce radiat-
ed noise (can also be used on output).
This capacitor filter reduces radiated noise from the main power
wires in the inverter input side.
Suppresses harmonics generated by the inverter.
This is useful for increasing the inverter's control torque for high
duty-cycle (on-off) applications, and improving the decelerating
capability.
Electrical noise interference may occur on nearby equipment such
as a radio receiver. This magnetic choke filter helps reduce radiat-
ed noise (can also be used on input).
Reduces radiated noise from wiring in the inverter output side.
This reactor reduces the vibration in the motor caused by the inver-
ter's switching waveforms, by smoothing the waveforms to approxi-
mate commercial power quality. It is also useful when wiring from
the inverter to the motor is more than 10m in length, to reduce har-
monics.
Sine wave shaping filter for the output side.
LCR filter
Input side AC reactor
EMI filter
Radio noise filter
Radio noise filter (Capacitor filter)
DC link choke
Output side noise filter
Radio noise filter
AC reactor
Braking resistor
Braking unit
Name Function
0.4(1/2)
0.7(1)
1.5(2)
2.2(3)
3.7(5)
5.5(7.5)
7.5(10)
11(15)
15(20)
18.5(25)
22(30)
30(40)
37(50)
45(60)
55(75)
0.7(1)
1.5(2)
2.2(3)
3.7(5)
5.5(7.5)
7.5(10)
11(15)
15(20)
18.5(25)
22(30)
30(40)
37(50)
45(60)
55(75)
75(100)
90(125)
110(150)
132 (175)
150 (200)
SJ300-004LFU
SJ300-007LFU
SJ300-015LFU
SJ300-022LFU
SJ300-037LFU
SJ300-055LFU
SJ300-075LFU
SJ300-110LFU
SJ300-150LFU
SJ300-185LFU
SJ300-220LFU
SJ300-300LFU
SJ300-370LFU
SJ300-450LFU
SJ300-550LFU
SJ300-007HFU/E
SJ300-015HFU/E
SJ300-022HFU/E
SJ300-040HFU/E
SJ300-055HFU/E
SJ300-075HFU/E
SJ300-110HFU/E
SJ300-150HFU/E
SJ300-185HFU/E
SJ300-220HFU/E
SJ300-300HFU/E
SJ300-370HFU/E
SJ300-450HFU/E
SJ300-550HFU/E
SJ300-750HFU/E
SJ300-900HFU/E
SJ300-1100HFU/E
SJ300-1320HFE
SJ300-1500HFU
20
18
14
14
10
8
6
4
2
4
× 2
4
×2
2 × 2
2
× 2
1
× 1（75℃）
2/0
× 2
20
18
16
14
12
10
8
6
6
4
3
4
×2 
1
× 1（75℃）
2
× 2
1
× 1（75℃）
1
× 1（75℃）
1/0
×2 
3/0
× 2
3/0
× 2

0.5
0.8
2.1
2.1
5.3
8.4
13.3
21.2
33.6
21.2
× 2
21.2
× 2
33.6
× 2
33.6
× 2
42.4
× 2
53.5
× 2
0.5
0.8
1.3
2.1
3.3
5.3
8.4
13.3
13.3
21.2
26.7
21.2
× 2
42.4
33.6
× 2
42.4
× 2
42.4
× 2
53.5
× 2
85.0
× 2
85.0
× 2
0.75mm
2
shielded
wire
0.75mm
2
shielded
wire
10
10
10
15
20
30
40
60
80
100
125
150
175
225
250
10
10
10
15
15
20
30
40
50
60
70
90
125
125
175
200
250
300
300
Motor Output
(kW(HP))
Model
200V
400V
Input
Voltage
Wiring
Power Lines
Signal Lines
Fuse
(Class J)
AWG
mm
2