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A-43
IM 39J06B40-01EN 14th Edition: May 30, 2022
Table Example of Ring Tongue Terminal Specification
Conductor nominal
cross-sectional area
(mm
2
)
Screw
used
(mm)
Hole
diameter
(mm)
Outer
terminal
diameter
(mm)
Terminal
length
(mm)
Insulation
sleeve internal
diameter
(mm)
0.5 to 1.65
(AWG 20 to 16)
4 4.3
or more
8.0
or less
Approx.
20.0
3.6
or larger
1.04 to 2.63
(AWG 16 to 14)
4 4.3
or more
8.5
or less
Approx.
21.0
4.3
or larger

Connecting Power Supply
Follow the procedures below to connect the power supply cable.
1. Detach the protective cover for the terminals on the power supply module as
follows:
- Push the locking tab (circled area in figure) up to unlock it.
- Pull gently to remove the cover.
2. Connect the power cable to the terminals. Power supply modules use different
terminals so the power cable should be connected in accordance with the manual
of the power supply module.
Tighten the terminal screws (Phillips head M4) at a torque of 1.2 N
･
m.
3. Connect the grounding cable to the terminal labeled 3 (earth mark).
4. Replace the protective cover on the power supply connection terminal after wiring
is complete.
Figure Locking Tab of Protective Terminal Cover