Special-purpose Basic Switch
DZ
F-143
Lim
it
Switch
es
■
Terminals
Precautions
Refer to the
Technical Information for Basic Switches
(Cat. No. C122) for common precautions.
■
Cautions
Terminal Connection
When soldering lead wires to the Switch, make sure that the capacity
of the soldering iron is 60 W maximum. Do not take more than 5 s to
solder any part of the Switch. Improper soldering may cause abnor-
mal heat radiation from the Switch and the Switch may burn.
The characteristics of the Switch will deteriorate if a soldering iron
with a capacity of more than 60 W is applied to any part of the Switch
for 6 s or more.
Operation
Make sure that the switching frequency or speed is within the speci-
fied range.
If the switching speed is extremely slow, the contact may not be
switched smoothly, which may result in a contact failure or contact
welding.
If the switching speed is extremely fast, switching shock may damage
the Switch soon. If the switching frequency is too high, the contact
may not catch up with the speed.
The rated permissible switching speed and frequency indicate the
switching reliability of the Switch.
The life of a Switch is determined at the specified switching speed.
The life varies with the switching speed and frequency even when
they are within the permissible ranges. In order to determine the life
of a Switch model to be applied to a particular use, it is best to con-
duct an appropriate durability test on some samples of the model
under actual conditions.
Make sure that the actuator travel does not exceed the permissible
OT position. The operating stroke must be set to 70% to 100% of the
rated OT.
■
Correct Use
Mounting
Use M4 mounting screws with plane washers or spring washers to
securely mount the Switch. Tighten the screws to a torque of 1.18 to
1.47 N·m {12 to 15 kgf·cm}
Mounting Holes
■
Accessories (Order separately)
Refer to
Z/A/X/DZ Common Accessories
for details about Terminal
Covers, Separators, and Actuators.
Solder Terminals (-1A)
Screw Terminals (-1B)
Six M3 pan head screws
(with toothed washer)
25.4
±
0.1
Two, 4.2 dia. mounting holes or
M4 screw holes
