XW2B
Safety Precautions
Precautions for Correct Use
● Wiring
● Terminal Screw Tightening Torque
• Always turn OFF the power supply before wiring.
Otherwise, cables or other conductors can short the
terminals and cause the Unit to fail.
• Select a tightening torque from the following table when
connecting wires or crimp terminals to the terminal block.
Tightening torque
Terminal Block
• Do not connect or disconnect Connectors with the power
turned ON. Otherwise, it may cause malfunctions.
N⋅m
With M3 screws
0.40
0.59
With M3.5 screws
● Wiring Terminal Blocks
• Direct Wire Connections with a Terminal Block with M3
Screws
1. Use a wire size between 0.3 and 1.25 mm2 (AWG22 to
● Mounting Units to and Removing Units from DIN Track
• For terminal blocks with M3 screws, use a flat-heat
screwdriver like the one shown in the following diagram.
AWG16).
2. Prepare the end of each wire as shown in the following
diagram.
2.9- to 3.5-mm blade
6 mm
Screw slot width: 0.7
3. The wire insertion holes are 1.8 × 2.5 (H × W) mm on the
terminal block with M3 screws.
• XW2B Connector-Terminal Block Conversion Units can be
mounted side-to-side on DIN Track. The flanges for
mounting screws are located on each side at the bottom of
the XW2B.
• Direct Wire Connections with a Terminal Block with M3.5
Screws
Round
Forked
• Secure both ends of the XW2B with End Plates.
• When removing the Unit from a DIN Track, insert a flat-head
screwdriver into the slider and pull the lock out.
3.7 mm dia.
3.7 mm
6.8 mm max.
6.8 mm max.
Applicable crimp terminals
Applicable wires
AWG22 to AWG16
(0.30 to 1.25 mm2)
1.25-3.5
Round
2-3.5
AWG16 to AWG14
(1.25 to 2.0 mm2)
AWG22 to AWG16
(0.30 to 1.25 mm2)
1.25Y-3.5
Forked
2Y-3.5
AWG16 to AWG14
(1.25 to 2.0 mm2)
(With a Terminal Block with M3 Screws)
Round rod
Blade
Dia.
W
t = 0.75
Applicable crimp terminals
Applicable wires
TC-05
Dia. = 1
AWG22 to AWG18
(0.30 to 0.75 mm2)
Rod
TC-1.25S
Dia. = 1.5
AWG22 to AWG16
(0.30 to 1.25 mm2)
BT1.25-9-1
BT1.25-10-1
W = 2.2
AWG22 to AWG16
(0.30 to 1.25 mm2)
Blade
Note: Round rod and blade crimp terminals are made by Nichifu.
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