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Design
2-2-4 Wiring around the Main Circuit
H Wire Size, Terminal Screw, Screw Tightening Torque, and Molded-case
Circuit Breaker Capacities
• For the main circuit and ground, always use 600-V polyvinyl chloride (PVC) cables.
• If any cable is long and may cause voltage drops, increase the wire size according to the cable length.
D 3-phase 230-V AC Model
Model
Terminal symbol
3G3JV-
A2001-A
R/L1, S/L2, T/L3, –, +1, +2,
U/T1, V/T2, W/T3
A2002-A
R/L1, S/L2, T/L3, –, +1, +2,
U/T1, V/T2, W/T3
A2004-A
R/L1, S/L2, T/L3, –, +1, +2,
U/T1, V/T2, W/T3
A2007-A
R/L1, S/L2, T/L3, –, +1, +2,
U/T1, V/T2, W/T3
A2015-A
R/L1, S/L2, T/L3, –, +1, +2,
U/T1, V/T2, W/T3
A2022-A
R/L1, S/L2, T/L3, –, +1, +2,
U/T1, V/T2, W/T3
A2037-A
R/L1, S/L2, T/L3, –, +1, +2,
U/T1, V/T2, W/T3
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Terminal
Screw
screw
tightening
torque
(NSm)
M3.5
0.8 to 1.0
M3.5
0.8 to 1.0
M3.5
0.8 to 1.0
M3.5
0.8 to 1.0
M3.5
0.8 to 1.0
M3.5
0.8 to 1.0
M4
1.2 to 1.5
Chapter 2
Wire size
Recomme
2
(mm
)
nded wire
size
2
(mm
)
0.75 to 2
2
0.75 to 2
2
0.75 to 2
2
0.75 to 2
2
2 to 5.5
2
2 to 5.5
3.5
2 to 5.5
5.5
Molded-c
ase
circuit
breaker
capacity
(A)
5
5
5
10
20
20
30
2-15
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