Hitachi WJ200 Series Quick Reference Manual page 12

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Determining Wire and Fuse Sizes
The maximum motor currents in your application determines the recommended wore size.
The following table gives the wire size in AWG. The "Power Lines" column applies to the
inverter input power, output wires to the motor, the earth ground connection, and any other
components shown in the "Basic System Description" on page 2-7. The "Signal Lines"
column applies to any wire connecting to the two green connectors just inside the front
cover panel.
Motor Output
kW
VT CT VT CT
0.2 0.1
0.4 0.2
0.55 0.4
1.1 0.75 1.5
2.2 1.5
3.0 2.2
0.2 0.1
0.4 0.2
0.75 0.4
1.1 0.75 1.5
2.2 1.5
3.0 2.2
5.5 3.7
7.5 5.5
11 7.5
15 11
18.5 15
0.75 0.4
1.5 0.75
2.2 1.5
3.0 2.2
4.0 3.0
5.5 4.0
7.5 5.5
11 7.5
15 11
18.5 15
Note 1: Field wiring must be made by a UL-Listed and CSA-certified closed-loop terminal
Note 2: Be sure to consider the capacity of the circuit breaker to be used.
Note 3: Be sure to use a larger wire gauge if power line length exceeds 66ft. (20m).
Note 4: Use 18 AWG / 0.75mm
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HP
Inverter Model
WJ200-001SF
¼ 1/8
WJ200-002SF
½ ¼
WJ200-004SF
¾ ½
1 WJ200-007SF
WJ200-015SF
3 2
WJ200-022SF
4 3
WJ200-001LF
¼ 1/8
WJ200-002LF
½ ¼
WJ200-004LF
1 ½
WJ200-007LF
1
WJ200-015LF
3 2
WJ200-022LF
4 3
WJ200-037LF
7.5 5
WJ200-055LF
10 7.5
WJ200-075LF
15 10
WJ200-110LF
20 15
WJ200-150LF
25 20
1 ½ WJ200-004HF
WJ200-007HF
2 1
WJ200-015HF
3 2
4 3 WJ200-022HF
WJ200-030HF
5 4
WJ200-040HF
7.5 5
WJ200-055HF
10 7.5
15 10 WJ200-075HF
WJ200-110HF
20 15
WJ200-150HF
25 20
connector sized for the wire gauge involved. Connector must be fixed by using
the crimping tool specified by the connector manufacturer.
terminals).
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Wiring
Power Lines Signal Lines
2
AWG16 / 1.3mm
(75°C only)
2
AWG12 / 3.3mm
(75°C only)
2
AWG10 / 5.3mm
2
AWG16 / 1.3mm
2
AWG14 / 2.1mm
(75°C only)
2
AWG12 / 3.3mm
(75°C only)
2
AWG10 / 5.3mm
18 to 28
(75°C only)
AWG / 0.14
2
AWG6 / 13mm
to 0.75 mm
(75°C only)
shielded wire
2
AWG4 / 21mm
(see Note 4)
(75°C only)
2
AWG2 / 34mm
(75°C only)
2
AWG16 / 1.3mm
2
AWG14 / 2.1mm
2
AWG12 / 3.3mm
(75°C only)
2
AWG10/ 5.3mm
(75°C only)
2
AWG6 / 13mm
(75°C only)
2
AWG6 / 13mm
(75°C only)
2
wire for the alarm signal wire ([AL0], [AL1], [AL2]
10
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Applicable
equipment
Fuse (UL-rated,
class J, 600V ,
Maximum
allowable current)
10A
20A
30A
10A
15A
20A
30A
2
60A
80A
80A
10A
15A
30A
50A
50A
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