WLNJ-TC Omron Corporation, WLNJ-TC Datasheet - Page 39

• Manufacturer Part Number: WLNJ-TC
• Description: Two-circuit Limit Switch/long-life Two-circuit Limit Switch
• Manufacturer: Omron Corporation

Safety Precautions
Refer to Safety Precautions for All Limit Switches.
• When a rod or wired-type actuator is used, do not touch the top end
• A short-circuit may cause damage to the Switch, so insert a circuit
• In order to meet EN approval ratings, use a 10-A fuse that
of the actuator. Doing so may result in injury.
(Applicable models)
WLHAL5 and WL01HAL5 Rod Spring Levers and WLNJ-S2 and
WL01NJ-S2 Steel-wire Actuators.
breaker fuse, of 1.5 to 2 times the rated current, in series with the
Switch.
corresponds to IEC60269, either a gI or gG for general-purpose
types and spatter-prevention models only.
Precautions for Safe Use
Operating Environment
• When wiring terminal screws, use M4 round crimp terminals and
• When performing internal wiring there is a chance of short-circuit,
• Using an inappropriate connector or assembling Switches
• Even when the connector is assembled and set correctly, the end
• Seal material may deteriorate if a Switch is used outdoor or where
• Install Switches where they will not be directly subject to cutting
• Constantly subjecting a Switch to vibration or shock can result in
• The Switches have physical contacts. Using them in environments
tighten screws to the recommended torque. Wiring with bare wires,
or incorrect crimp terminals, or not tightening screws to the
recommended torque can lead to short-circuits, leakage current,
and fire.
leakage current, or fire, so be sure to protect the inside of the
Switch from splashes of oil or water, corrosive gases, and cutting
powder.
incorrectly (assembly, tightening torque) can result in malfunction,
leakage current, or fire, so be sure to read the instruction manual
thoroughly beforehand.
of the cable and the inside of the Switch may come in contact. This
can lead to malfunction, leakage current, or fire, so be sure to
protect the end of the cable from splashes of oil or water and
corrosive gases.
subject to special cutting oils, solvents, or chemicals. Always
appraise performance under actual application conditions and set
suitable maintenance and replacement periods.
chips, dust, or dirt. The Actuator and Switch must also be protected
from the accumulation of cutting chips or sludge.
wear, which can lead to contact interference with contacts,
operation failure, reduced durability, and other problems.
Excessive vibration or shock can lead to false contact operation or
damage. Install Switches in locations not subject to shock and
vibration and in orientations that will not produce resonance.
containing silicon gas will result in the formation of silicon oxide
(SiO
contacts, contact interference can occur. If silicon oil, silicon filling
agents, silicon cables, or other silicon products are present near the
Switch, suppress arcing with contact protective circuits (surge
killers) or remove the source of silicon gas.
Not Suitable
2
) due to arc energy. If silicon oxide accumulates on the
Precautions for Correct Use
Suitable
WL/WLM
39