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Hitachi WJ200-004M Quick Reference Manual page 9

Wj200 series
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Determining Wire and Fuse Sizes
The maximum motor currents in your application determines the recommended wire 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 7. The "Signal Lines"
column applies to any wire connecting to the two green connectors just inside the front
cover panel.
Motor Output
Inverter Model
kW
HP
0.4
1/2
0.75
1
Note 1: Field wiring must be made by a UL-Listed and CSA-certified closed-loop terminal
connector sized for the wire gauge involved. Connector must be fixed by using
the crimping tool specified by the connector manufacturer.
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
terminals).
Note 5: Type E Combination Motor Controller marking is to indicate that the unit shall be
connected with, LS Industrial System Co., Ltd, Type E Combination Motor
Controller MMS Series .
Power
Lines
AWG12 /
WJ200-004MF
3.3mm
AWG10 /
WJ200-007MF
5.3mm
2
Wiring
Signal Lines
18 to 28
2
AWG / 0.14
2
to 0.75 mm
shielded wire
2
(see Note 4)
wire for the alarm signal wire ([AL0], [AL1], [AL2]
8
Applicable equipment
Fuse (UL-rated,
class J, 600V ,
Type E
Maximum
C.M.C.
allowable
current)
MMS-32H,
50A
120 V, 40 A
MMS-32H,
50A
120 V, 40 A

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