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WL, WLM

Two-circuit Limit Switch/Long-life Two-circuit Limit Switch

WL, WLM

Wide Range of Two-circuit Switches; Select One for the Operating Environment/Application

General-purpose Switches

Standard Switches

Note: Models are also available with ground terminals.

Lever

Actuator Roller lever R38 326_lu_1_1 Roller lever R50 326_lu_1_2 Roller lever R63 326_lu_1_3
Item Model Model Model
Basic Standard load WLCA2 WLCA2-7 WLCA2-8
Microload WL01CA2 WL01CA2-7 WL01CA2-8
Overtravel General-
purpose
Standard load WLH2 - -
Microload WL01H2 - -
90°
operation
Standard load WLCA2-2 - -
Microload WL01CA2-2 - -
Standard load WLCA2-2N - -
Microload WL01CA2-2N - -

Note: For details of The WL high-sensitivity, high-precision models, refer to Limit Switch WL-N/WL Datasheet (Cat. No. C151-E1).

Actuator Adjustable
roller lever
326_lu_2_1 Adjustable rod
lever
25 to 140mm
326_lu_2_2 Adjustable rod
lever
350 to 380mm
326_lu_2_3 Rod
spring
lever
326_lu_2_4
Item Model Model Model Model
Basic Standard load WLCA12 WLCL - -
Microload WL01CA12 WL01CL - -
Overtravel General-
purpose
Standard load WLH12 WLHL WLHAL4 WLHAL5
Microload WL01H12 WL01HL - -
90°
operation
Standard load WLCA12-2 WLCL-2 - -
Microload WL01CA12-2 - - -
Standard load WLCA12-2N WLCL-2N - -
Microload WL01CA12-2N WL01CL-2N - -

Note: For details of The WL high-sensitivity, high-precision models, refer to Limit Switch WL-N/WL Datasheet (Cat. No. C151-E1).

Actuator Fork lever lock
(with WL-5A100
plastic roller lever)
326_lu_3_1
Fork lever lock
(with WL-5A102
plastic roller lever)
326_lu_3_2
Fork lever lock
(with WL-5A104
plastic roller lever)
326_lu_3_3
Fork lever lock
(with WL-5A104
plastic roller lever)
326_lu_3_4
Item Model Model Model Model
Maintained Standard load WLCA32-41 WLCA32-42 WLCA32-43 WLCA32-44
Microload WL01CA32-41 - WL01CA32-43 WL01CA32-44

Plunger

Actuator Top plunger
326_lu_4_1
Top-roller plunger
326_lu_4_2
Top-ball plunger
326_lu_4_3
Sealed top-roller
plunger
326_lu_4_4
Item Model Model Model Model
Top plunger Standard load WLD WLD2 WLD3 WLD28
Microload WL01D WL01D2 WL01D3 WL01D28

Actuator Horizontal plunger
326_lu_5_1
Horizontal-roller plunger
326_lu_5_2
Horizontal-ball plunger
326_lu_5_3
Item Model Model Model
Side plunger Standard load WLSD WLSD2 WLSD3
Microload WL01SD WL01SD2 WL01SD3

Flexible Rod

Actuator Coil spring (spring
diameter: 6.5)
326_lu_6_1
Coil spring (spring
diameter: 4.8)
326_lu_6_2
Coil spring (resin
rod diameter: 8)
326_lu_6_3
Steel wire (wire
diameter: 1)
326_lu_6_4
Item Model Model Model Model
Flexible rod Standard load WLNJ WLNJ-30 WLNJ-2 WLNJ-S2
Microload WL01NJ WL01NJ-30 WL01NJ-2 WL01NJ-S2

Indicator-equipped Switches

Lever

Actuator Roller lever
R38
326_lu_1_1 Roller lever
R50
326_lu_1_2 Roller lever
R63
326_lu_1_3 Adjustable roller
lever
326_lu_2_1
Item Model Model Model Model
Basic Neon lamp WLCA2-LE WLCA2-7LE WLCA2-8LE WLCA12-LE
LED WLCA2-LD WLCA2-7LD WLCA2-8LD WLCA12-LD
Overtravel General-
purpose
Neon lamp WLH2-LE - - WLH12-LE
LED WLH2-LD - - WLH12-LD
90°
operation
Neon lamp WLCA2-2LE - - WLCA12-2LE
LED WLCA2-2LD - - WLCA12-2LD
Neon lamp WLCA2-2NLE - - WLCA12-2NLE
LED WLCA2-2NLD - - WLCA12-2NLD

Note: For details of The WL high-sensitivity, high-precision models, refer to Limit Switch WL-N/WL Datasheet (Cat. No. C151-E1).

Actuator Adjustable rod lever
25 to 140 mm
326_lu_2_2 Adjustable rod lever
350 to 380 mm
326_lu_2_3 Rod spring lever 326_lu_2_4
Item Model Model Model
Basic Neon lamp WLCL-LE - -
LED WLCL-LD - -
Overtravel General-
purpose
Neon lamp WLHL-LE WLHAL4-LE WLHAL5-LE
LED WLHL-LD WLHAL4-LD WLHAL5-LD
90°
operation
Neon lamp WLCL-2LE - -
LED WLCL-2LD - -
Neon lamp WLCL-2NLE - -
LED WLCL-2NLD - -

Note: For details of The WL high-sensitivity, high-precision models, refer to Limit Switch WL-N/WL Datasheet (Cat. No. C151-E1).

Actuator Fork lever lock (with
WL-5A100 Plastic
Roller Lever)
326_lu_3_1
Fork lever lock (with
WL-5A102 Plastic
Roller Lever)
326_lu_3_2
Fork lever lock (with
WL-5A104 Plastic
Roller Lever)
326_lu_3_3
Item Model Model Model
Maintained Neon lamp WLCA32-41L E WLCA32-42LE WLCA32-43LE
LED WLCA32-41LD - WLCA32-43LD

Plunger

Actuator Top plunger
326_lu_4_1
Top-roller plunger
326_lu_4_2
Top-ball plunger
326_lu_4_3
Sealed top-roller plunger
326_lu_4_4
Item Model Model Model Model
Top plunger Neon lamp WLD-LE WLD2-LE WLD3-LE WLD28-LE
LED WLD-LD WLD2-LD WLD3-LD WLD28-LD

Actuator Horizontal plunger
326_lu_5_1
Horizontal-roller plunger
326_lu_5_2
Horizontal-ball plunger
326_lu_5_3
Item Model Model Model
Side plunger Neon lamp WLSD-LE WLSD2-LE WLSD3-LE
LED WLSD-LD WLSD2-LD WLSD3-LD

Flexible Rod

Actuator Coil spring (spring
diameter: 6.5)
326_lu_6_1
Coil spring (spring
diameter: 4.8)
326_lu_6_2
Coil spring (resin
rod diameter: 8)
326_lu_6_3
Steel wire (wire
diameter: 1)
326_lu_6_4
Item Model Model Model Model
Flexible rod Neon lamp WLNJ-LE WLNJ-30LE WLNJ-2LE WLNJ-S2LE
LED WLNJ-LD WLNJ-30LD WLNJ-2LD WLNJ-S2LD

Sensor I/O Connector Switches

Direct-wired Connectors

Actuator Item Basic Overtravel
General-purpose
Wiring Built-in switch
specification
Model Model
Roller lever
326_lu_13_1
2-conductor DC NO connector pins
No. 3, 4
Standard WLCA2-LDK13 WLH2-LDK13
Airtight seal WLCA2-55LDK13 WLH2-55LDK13
4-conductor DC Standard WLCA2-LDK43 WLH2-LDK43
Airtight seal WLCA2-55LDK43 WLH2-55LDK43
Top-roller
plunger
326_lu_13_2
2-conductor DC NO connector pins
No. 3, 4
Standard WLD2-LDK13 -
Airtight seal WLD2-55LDK13 -
4-conductor DC Standard WLD2-LDK43 -
Airtight seal WLD2-55LDK43 -

Note: For details of The WL high-sensitivity, high-precision models, refer to Limit Switch WL-N/WL Datasheet (Cat. No. C151-E1).

Pre-wired Connectors

Actu-
ator
Item Basic Overtravel
General-purpose
Wiring Built-in
switch
specification
Model Model
Roller
lever
326_lu_13_1
2-
conductor
DC NO connector pins
No. 3, 4
Standard WLCA2-LD-M1J WLH2-LD-M1J
Airtight seal WLCA2-55LD-M1J -
connector pins
No. 1, 4
Standard WLCA2-LD-M1GJ WLH2-LD-M1GJ
Airtight seal WLCA2-55LD-M1GJ -
NC connector pins
No. 3, 2
Standard - -
Airtight seal WLCA2-55LD-M1JB -
4-
conductor
DC Standard WLCA2-LD-DGJ03 WLH2-LD-DGJ03
Airtight seal WLCA2-55LD-DGJ03 -
3-
conductor
DC connector pins
No. 2, 3, 4
Standard WLCA2-LD-DK1EJ03 -
Airtight seal WLCA2-55LD-DK1EJ03 -
Top-
roller
plunger
326_lu_13_2
2-
conductor
DC NO connector pins
No. 3, 4
Standard WLD2-LD-M1J -
Airtight seal WLD2-55LD-M1J -
connector pins
No. 1, 4
Standard WLD2-LD-M1GJ -
Airtight seal WLD2-55LD-M1GJ -
NC connector pins
No. 3, 2
Standard - -
Airtight seal WLD2-55LD-M1JB -
4-
conductor
DC Standard WLD2-LD-DGJ03 -
Airtight seal - -
3-
conductor
DC connector pins
No. 2, 3, 4
Standard WLD2-LD-DK1EJ03 -
Airtight seal WLD2-55LD-DK1EJ03 -

Note: For details of The WL high-sensitivity, high-precision models, refer to Limit Switch WL-N/WL Datasheet (Cat. No. C151-E1).

Environment-resistant Switches

Note: Models are also available with ground terminals.

Actuator Roller lever R38
326_lu_1_1
Item Basic Overtravel
General-purpose
Model Model
Airtight seal No indicator WLCA2-55 WLH2-55
Indicator LED WLCA2-55LD WLH2-55LD
Neon WLCA2-55LE WLH2-55LE
Hermetic seal Molded terminals -139 No indicator WLCA2-139 WLH2-139
Indicator NC wiring WLCA2-139LD2 -
NO wiring WLCA2-139LD3 -
-140 No indicator WLCA2-140 WLH2-140
Indicator NC wiring WLCA2-140LD2 -
NO wiring WLCA2-140LD3 -
-141 No indicator WLCA2-141 WLH2-141
Indicator NC wiring WLCA2-141LD2 -
NO wiring WLCA2-141LD3 WLH2-141LD3
Anti-coolant No indicator WLCA2-RP60 WLH2-RP60
Indicator NC wiring WLCA2-RP60LD2 -
NO wiring WLCA2-RP60LD3 WLH2-RP60LD3
Heat-resistant No indicator WLCA2-TH WLH2-TH
Low-temperature WLCA2-TC WLH2-TC
Corrosion-proof WLCA2-RP WLH2-RP
Weather-proof WLCA2-P1 WLH2-P1

Note: For details of The WL high-sensitivity, high-precision models, refer to Limit Switch WL-N/WL Datasheet (Cat. No. C151-E1).

Actuator Roller lever R38
326_lu_1_1
Item Overtravel
90° (-2 model) 90° (-2N model)
Model Model
Airtight seal No indicator WLCA2-255 WLCA2-2N55
Indicator LED WLCA2-255LD WLCA2-2N55LD
Neon WLCA2-255LE WLCA2-2N55LE
Hermetic seal Molded terminals -139 No indicator WLCA2-2139 WLCA2-2N139
Indicator NC wiring WLCA2-2139LD2 -
NO wiring WLCA2-2139LD3 -
-140 No indicator - WLCA2-2N140
Indicator NC wiring - -
NO wiring - -
-141 No indicator - -
Indicator NC wiring - -
NO wiring - -
Anti-coolant No indicator WLCA2-2RP60 -
Indicator NC wiring WLCA2-2RP60LD2 -
NO wiring WLCA2-2RP60LD3 -
Heat-resistant No indicator WLCA2-2TH WLCA2-2NTH
Low-temperature WLCA2-2TC WLCA2-2NTC
Corrosion-proof - -

Note: For details of The WL high-sensitivity, high-precision models, refer to Limit Switch WL-N/WL Datasheet (Cat. No. C151-E1).

Actuator Adjustable roller lever
326_lu_2_1
Item Basic Overtravel
General-purpose
Model Model
Airtight seal No indicator WLCA12-55 -
Indicator LED WLCA12-55LD -
Neon WLCA12-55LE -
Hermetic seal Molded terminals -139 No indicator WLCA12-139 -
-140 WLCA12-140 -
-141 WLCA12-141 -
Anti-coolant WLCA12-RP60 -
Heat-resistant No indicator WLCA12-TH WLH12-TH
Low-temperature WLCA12-TC WLH12-TC
Corrosion-proof WLCA12-RP WLH12-RP
Weather-proof WLCA12-P1 WLH12-P1

Note: For details of The WL high-sensitivity, high-precision models, refer to Limit Switch WL-N/WL Datasheet (Cat. No. C151-E1).

Actuator Adjustable roller lever 326_lu_2_1
Item Overtravel
90° (-2 model) 90° (-2N model)
Model Model
Heat-resistant No indicator WLCA12-2TH WLCA12-2NTH
Low-temperature WLCA12-2TC WLCA12-2NTC

Actuator Adjustable rod lever 25 to 140 mm
326_lu_2_2
Item Basic Overtravel
General-purpose
Model Model
Airtight seal No indicator WLCL-55 -
Indicator LED WLCL-55LD -
Neon - -
Hermetic seal Molded terminals -139 No indicator WLCL-139 -
-140 WLCL-140 -
-141 - -
Anti-coolant WLCL-RP60 -
Heat-resistant No indicator WLCL-TH WLHL-TH
Low-temperature WLCL-TC WLHL-TC
Corrosion-proof WLCL-RP WLHL-RP
Weather-proof WLCL-P1 WLHL-P1

Note: For details of The WL high-sensitivity, high-precision models, refer to Limit Switch WL-N/WL Datasheet (Cat. No. C151-E1).

Actuator Adjustable rod lever 25 to 140 mm 326_lu_2_2
Item Overtravel
90° (-2 model) 90° (-2N model)
Model Model
Heat-resistant No indicator WLCL-2TH WLCL-2NTH
Low-temperature WLCL-2TC WLCL-2NTC
Corrosion-proof WLCL-2RP -

Actuator Top-roller plunger
326_lu_4_2
Sealed top-roller plunger
326_lu_4_4
Horizontal plunger
326_lu_5_1
Item Model Model Model
Airtight seal No indicator WLD2-55 WLD28-55 WLSD-55
Indicator LED WLD2-55LD WLD28-55LD WLSD-55LD
Neon WLD2-55LE WLD28-55LE -
Hermetic
seal
Molded
terminals
-139 No indicator WLD2-139 WLD28-139 WLSD-139
-140 - WLD28-140 -
Anti-coolant WLD2-RP60 WLD28-RP60 WLSD-RP60
Heat-resistant No indicator WLD2-TH WLD28-TH WLSD-TH
Low-temperature WLD2-TC - WLSD-TC
Corrosion-proof WLD2-RP WLD28-RP WLSD-RP

Note: The standard cable length for models with airtight seals is 5 m.

Actuator Horizontal-roller
plunger
326_lu_5_2
Coil spring (spring
diameter: 6.5)
326_lu_6_1
Coil spring (resin
rod diameter: 8)
326_lu_6_3
Item Model Model Model
Airtight seal No indicator WLSD2-55 WLNJ-55 WLNJ-255
Indicator LED WLSD2-55LD WLNJ-55LD WLNJ-255LD
Neon - - -
Hermetic
seal
Molded
terminals
-139 No indicator WLSD2-139 WLNJ-139 -
-140 WLSD2-140 WLNJ-140 WLNJ-2140
Anti-coolant WLSD2-RP60 WLNJ-RP60 WLNJ-2RP60
Heat-resistant No indicator WLSD2-TH WLNJ-TH -
Low-temperature WLSD2-TC WLNJ-TC WLNJ-2TC
Corrosion-proof WLSD2-RP WLNJ-RP WLNJ-2RP

Note: The standard cable length for models with airtight seals is 5 m.

Spatter-prevention Switches

Actuator Roller lever
326_lu_23_1
Sealed top-roller
plunger
326_lu_23_4
Item Double nut lever 326_lu_23_2 Allen-head lever 326_lu_23_3
Model Model Model
Neon lamp
operation
indicator
Basic WLCA2-LEAS WLCA2-LES WLD28-LES
Overtravel General-purpose WLH2-LEAS WLH2-LES -
LED
operation
indicator
Basic WLCA2-LDAS WLCA2-LDS WLD28-LDS
Overtravel General-purpose WLH2-LDAS WLH2-LDS -

Note: 1. For details of The WL high-sensitivity, high-precision models, refer to Limit Switch WL-N/WL Datasheet (Cat. No. C151-E1).
         2. Ask your OMRON representative about WL01[]-[]S Microload Switches.

Long-life Switches

Item LED operation indicator *1
Basic Overtravel
General-purpose
Actuator Model Model
326_lu_24_1 Roller lever, screw terminal WLMCA2-LD WLMH2-LD
326_lu_24_2 Roller lever,
direct-wired connector
2-conductor AC WLMCA2-LDK13A WLMH2-LDK13A
DC WLMCA2-LDK13 WLMH2-LDK13
4-conductor AC WLMCA2-LDK43A WLMH2-LDK43A
DC WLMCA2-LDK43 WLMH2-LDK43
326_lu_24_3 Roller lever,
pre-wired connector *2
2-conductor DC WLMCA2-LD-M1J WLMH2-LD-M1J
4-conductor DC WLMCA2-LD-DGJ03 WLMH2-LD-DGJ03

Note: For details of The WL high-sensitivity, high-precision models, refer to Limit Switch WL-N/WL Datasheet (Cat. No. C151-E1).
*1. The default setting is "light-ON when not operating."
     Turn the lamp holder by 180° to change the setting to "light-ON when operating". (Ask your OMRON representative
     about 2-conductor models.)
*2. With 0.3-m cable attached.

Connecting Cables

WL, WLM Lineup 45

Voltage specification Number of conductors Cable length Model
AC 2 2 m XS2F-A421-DB0-F
5 m XS2F-A421-GB0-F
4 2 m XS2F-A421-D90-F
5 m XS2F-A421-G90-F
DC 2 2 m XS2F-D421-DD0
5 m XS2F-D421-GD0
4 2 m XS2F-D421-D80-F
5 m XS2F-D421-G80-F

Individual Parts

Heads

Actuator type Set model Head model (with Actuator)
Roller lever 326_lu_26_1 WLCA2 WL-1H1100
WLH2 WL-2H1100-1 *
WLCA2-2 WL-3H1100
WLCA2-2N WL-6H1100
Adjustable roller lever 326_lu_26_2 WLCA12 WL-1H2100
WLH12 WL-2H2100-1 *
WLCA12-2 WL-3H2100
WLCA12-2N WL-6H2100
Adjustable rod lever 326_lu_26_3 WLCL WL-4H4100
WLCL-2 WL-3H4100
WLCL-2N WL-6H4100
Top plunger 326_lu_26_4 WLD WL-7H100
WLD2 WL-7H200
WLD3 WL-7H300
WLD28 WL-7H400
Horizontal plunger 326_lu_26_5 WLSD WL-8H100
WLSD2 WL-8H200
WLSD3 WL-8H300
Fork lever lock 326_lu_26_6 WLCA32-41 WL-5H5100
WLCA32-42 WL-5H5102
WLCA32-43 WL-5H5104
WLCA32-44 WL-5H5104
Coil spring 326_lu_26_7 WLNJ WL-9H100
WLNJ-30 WL-9H200
WLNJ-2 WL-9H300
WLNJ-S2 WL-9H400

Note: For details of The WL high-sensitivity, high-precision models, refer to Limit Switch WL-N/WL Datasheet (Cat. No. C151-E1).
* The model number of Heads without levers are same as those of Heads with levers without the numbers at the end.
   Example: WL-1H1100 becomes WL-1H without the lever.
   However, the WLH2 and WLH12 become WL-2H-1 for the Heads without levers.
   Other Heads are also available. Ask your OMRON representative.

Switches without levers

Actuator type Switches without levers
326_lu_27_1
Model
Switches for roller levers 326_lu_26_1 Basic R38 WLRCA2
General-purpose overtravel, 80° WLRH2
Overtravel, 90° operation WLRCA2-2
Overtravel, 90° operation WLRCA2-2N
Switches for adjustable roller levers 326_lu_26_2 Basic WLRCA2
General-purpose overtravel, 80° WLRH2
Overtravel, 90° operation WLRCA2-2
Overtravel, 90° operation WLRCA2-2N
Switches for adjustable rod lever 326_lu_26_3 Basic, 25 to 140 mm WLRCL
Overtravel, 90° operation, 25 to 140 mm WLRCA2-2
Overtravel, 90° operation, 25 to 140 mm WLRCA2-2N
Switches for top plungers 326_lu_26_4 - -
Switches for horizontal plungers 326_lu_26_5 - -
Switches for fork lever locks 326_lu_26_6 Maintained, WL-5A100
Maintained, WL-5A102
Maintained, WL-5A104
WLRCA32
Switches for coil springs 326_lu_26_7 - -

Note: For details of The WL high-sensitivity, high-precision models, refer to Limit Switch WL-N/WL Datasheet (Cat. No. C151-E1).

Covers with Operation Indicators

Cover Cover only with indicator
326_lu_28_1
Item Model
Neon lamp WL-LE
LED WL-LD

Note: The default setting is "light-ON when not operating."
Turn the lamp holder by 180° to change the setting to "light-ON when operating."

Spatter-prevention Products

Head (with actuator) Lever Cover with
indicator
Switches without
Levers
Complete Heads
with allen-head
levers
326_lu_29_1 Double
Nut
Lever
326_lu_29_2 Allen-
head
Lever
326_lu_29_3 Double
Nut
Lever
326_lu_29_4 Cover with
Indicator
326_lu_29_5 Switches
without levers
326_lu_29_6
Model Model Model Model Model Model
WL-1H1100S
(for WLCA2-[])
WL-2H1100S
(for WLH2-[])
WL-1A103S
Roller lever
WL-1A105S
Roller Lever
Neon lamp
WL-LES
WLRCA2-LDS
WLRH2-LES
WLRH2-LDS
LED (LED)
WL-LDS

Note: For details of The WL high-sensitivity, high-precision models, refer to Limit Switch WL-N/WL Datasheet (Cat. No. C151-E1).

WL Head Replacement

Heads can be replaced within the same model group. They cannot be replaced between different model groups.

Group No. Set model number Head model number (with Actuator)
1 WLCA2 WL-1H1100
WLCA2-7 WL-1H1200
WLCA2-8 WL-1H1300
WLCA12 WL-1H2100
2 WLCL WL-4H4100 *
3 WLH2 WL-2H1100-1
WLH12 WL-2H2100-1
WLHL WL-2H4100
WLHAL4 WL-2H4106
WLHAL5 WL-2H4107
4 WLCA2-2N WL-6H1100
WLCA12-2N WL-6H2100
WLCL-2N WL-6H4100
5 WLCA2-2 WL-3H1100
WLCA12-2 WL-3H2100
WLCL-2 WL-3H4100
6 WLCA32-41 WL-5H5100
WLCA32-42 WL-5H5102
WLCA32-43 WL-5H5104
WLCA32-44 WL-5H5104
7 WLD WL-7H100
WLD2 WL-7H200
WLD3 WL-7H300
8 WLD28 WL-7H400 *
9 WLSD WL-8H100
WLSD2 WL-8H200
WLSD3 WL-8H300
10 WLNJ WL-9H100
WLNJ-30 WL-9H200
11 WLNJ-2 WL-9H300 *
12 WLNJ-S2 WL-9H400 *

* This Heads are special and must be used. Do not use any other Head.