WLSD2-TH datasheet(4/52 Pages) OMRON

4 / 52 page

WL-N/WLM-N

Selection Guide

With the WL-N Series, OMRON will combine the switch, Actuator, and wiring method required to build the ideal switch for

your application.

*1. Not all functions can be combined with environment-resistant switches. Refer to the applicable models on the previous page.

*2. Refer to page 29 for information on the construction of Hermetic Switches.

The WL-N Series consists of four basic types: General-purpose, Environment-resistant, Spatter-protec-

tion, and Long-life Switches. WLCA2-N Switches can be used for the most common applications.

Normal

High-temperature

Low-temperature

Outdoors

−10°C

+80

°C

+120

°C

−40°C

+40

°C

Water-resistant to IP67.

Environment

Key specifications

Models

@-N

General-purpose

Switches

WLM

@-N

Long-life Switches

@-TH-N Heat-resistant

Switches *1

@-TC-N Low-temperature

Switches *1

@-P1-NWeather-proof

Switches *1

Water drops and mist

Uses an airtight built-in switch.

@-55-N

Airtight Switches *1

@-RP-N Corrosion-proof

Switches *1

@-S-N

Spatter-prevention

Switches

Chemicals and oil

@-139-N

Hermetic, Molded-terminal

Switches *1, *2

@-RP40-N

Hermetic, Molded-terminal

Switches *1, *2

@-140-N

Hermetic, Molded-terminal

Switches *1, *2

@-141-N, -145-N

Hermetic, Molded-terminal

Switches *1, *2

(Only the WLCA2-N, WLG2-N, and

WLGCA2-N, can be produced.)

@-RP60-N

Hermetic, Molded-terminal

Switches *1, *2

According to Operating Environment

To increase heat resistance, the rubber material (fluorine rubber)

and the plunger material (PEEK) have been changed.

Cables are attached. Uses a general-purpose built-in switch.

The cover screws, case cover, and conduit opening are molded

from epoxy resin to increase the seal.

(The cover cannot be removed.)

Cables are attached. Uses an airtight built-in switch.

The cover screws, case cover, and conduit opening are molded

from epoxy resin to increase the seal.

(The cover cannot be removed.)

Cables are attached. Uses an airtight built-in switch.

The cover screws, case cover, and conduit opening are molded

from epoxy resin to increase the seal.

(The cover cannot be removed.)

Double seal against oil including head cap countermeasure for

cutting chips and an oil seal.

-141: The Head section is molded from epoxy resin;

Head direction cannot be changed.

-145: The Head section is molded from epoxy resin;

Head can be in any of 4 directions.

Cables are attached. Uses an airtight built-in switch.

The case cover and conduit opening are molded from epoxy

resin to increase the seal. (The cover cannot be removed.)

The SC connector can be removed, so it is possible to use

flexible conduit for the cable.

To prevent spatter during welding, a heat-resistant resin is used

for the indicator cover and screws and rollers are all made from

stainless steel.

Cables are attached. Uses an airtight built-in switch.

The cover screws, case cover, conduit opening, and head screws

are molded from epoxy resin to increase the seal.

(The cover and head cannot be removed.)

Rubber parts are made from fluorine rubber to increase

resistance to coolant.

Rubber parts are made from epichlorhydrin rubber, which has a

high-tolerance to changes in temperature.

Stainless steel is used for the screws.

Rollers are made of stainless steel to provide superior corrosion

resistance.

Corrosion-proof specifications have been used for the housing,

fluorine rubber has been used for rubber parts, and stainless

steel has been used for screws and nuts (except for the actuator)

to increase resistance to oils, chemicals, and weather.

To increase resistance to cold, epichlorhydrin rubber and other

measures are used.

Constant water

drops and mist

Coolant

Spattering from

welding

Constant water

drops or splattering

cutting powder

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