A22TK
Wiring
Others
• Terminal screws must be Phillips or slotted M3.5 screws with a
square washer.
• If the panel is to be coated, make sure that the panel meets the
specified dimensions after coating.
• The tightening torque is 1.08 to 1.27 N·m.
• Single wires, stranded wires, and crimp terminals can be
connected to the Switch
• Due to the structure of the Switch, severe shock or vibration may
cause malfunctions or damage to the Switch.
Also, most Switches are made from resin and will be damaged if
they come into contact with sharp objects. Particularly scratches
on the Operation Unit may create visual and operational
obtrusions.
• Applicable Wiring Materials:
Twisted strands: 2 mm2 max.
Solid wire: 1.6 mm dia. max.
Handle the Switches with care, and do not throw or drop them.
Naked Crimp Terminals
Crimp Terminals with
Insulating Sheaths
8 mm max.
8 mm dia. max.
8 mm max.
8 mm dia. max.
16.0 mm max.
16.0 mm max.
20.2 mm max.
20.2 mm max.
Do not allow the Switch
to drop and hit the floor.
• After wiring the Switch, maintain an appropriate clearance and
creepage distance.
• Do not pull the lead wires with excessive force. Doing so may
disconnect them.
• The cable cannot be bended repeatedly.
• When bending the cable, provide a bending radius of 45 mm min.
so as not to damage the cable insulation or sheath. Excessive
bending may cause fire or leakage current.
Operating Environment
• The IP65 model is designed with a protective structure so that it will
not sustain damage if it is subjected to water from any direction to
the front of the panel.
Do not place or drop
heavy objects
on the Switch.
• The Switch is intended for indoor use only. Using the Switch
outdoor may cause it to fail.
Do not operate the Switch
with hard or sharp objects.
Using the Microload
Contact failure may occur if a Switch designed for a standard load is
used to switch a microload. Use Switches within the application
ranges shown in the following graph. Even within the application
range, insert a contact protection circuit, if necessary, to prevent the
reduction of life expectancy due to extreme wear on the contacts
caused by loads where inrush current occurs when the contact is
opened and closed.
Hammer
Screwdriver
• Perform maintenance inspections periodically.
• Do not use the key switch to stop/start the machine.
• Mode switching by key must be performed by the operator
specified in the operating manual.
• Apply load current not to exceed the rated value.
• The contact ON/OFF timing is not synchronized. Confirm
performance before application.
The minimum applicable load is the N-level reference value. This
value indicates the malfunction reference level for the reliability level
of 60ꢀ (λ 60) (conforming to JIS C5003).
The equation, λ 60 = 0.5 x 10-6/time indicates that the estimated
malfunction rate is less than 1/2,000,000 with a reliability level of 60ꢀ.
Voltage (V)
100mA
0.16mA
1.6mA
30
24
Area of use
Standard
load area
Microload area
12
Invalid area
5
0
10mA
10
1mA
0.1
1
100
1,000
Current (mA)
13
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