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Wiring
3-3
Wiring
3-3-1
Wiring the Power Supply and Load Circuits
!WARNING
!Caution When connecting from line connected to load terminal T1 to power supply ter-
!Caution When using the Power Controller to control the power to the primary side of a
Wiring the Load Terminal Block
Recommended Wires
26
• First, connect the load to load terminal T1 and to the power supply, and
then connect the power supply to load terminal L1 through a fast-acting
fuse.
• Connect the AC power supply to power supply terminals 4 (N) and 5 (L).
• The AC power supply ground polarity and the G3PW terminal block polar-
ity are not related, but connect the 4 (N) and 5 (L) terminals on the com-
mand input/power supply terminal block and the T1 and L1 terminals of
the load terminal block to power supplies with the same phases.
• Always connect the load to load terminal T1.
Time-delay
fuse
Power supply
100 to 240 VAC
(50/60 Hz)
Make sure that the phases match for load terminal T1 and power supply ter-
minal 4 (N), and for load terminal L1 and power supply terminal 5 (L). If the
connections are incorrect, the Power Controller will not operate normally or
the load may be damaged.
minal 4 (N), connect it from a point that is as close as possible to the power
supply. If the connection is incorrect, the output operation will be stopped by
the Power Controller failure detection functions.
transformer, do not open the circuit on the secondary side of the transformer
during Power Controller operation.
When connecting to the load terminals, use the specified wire size for each
model of Power Controller.
Model
Recommended
G3PW-A220
AWG 10 to 18
G3PW-A245
AWG 6
(See note.)
G3PW-A260
Note Crimp terminals that conform to UL and CSA specifications must
be used.
1
2
T1
Load
Load circuit (T1)
Load circuit (L1)
Fast-acting fuse
Tightening torque
wire size
1.8 N·m
2.8 N·m
Section 3-3
L
N
3
4
5
Command
input/power
supply
terminal block
L1
Load
terminal block
Terminal screws
M4
M5
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