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WL-N / WLG
Two-circuit Limit Switch
Two-circuit limit switches that can be selected to match the operating environment and application WL-N/Basic models, WLG/High-sensitivity and High-precision models
Related Contents
Application Solutions
General-purpose Switcheslast update: April 1, 2025
General-purpose Switches
Model Number Structure
Model Number Legend (Not all combinations are possible. Ask your OMRON representative for details.)
Basic models
High-sensitivity and High-precision Models
Ordering Information
Roller Lever
Standard built-in switch
| Appear-
ance |
Actuator | Terminal
shape |
Pretravel
(PT) |
Without operation
indicator |
With operation indicator * | |
|---|---|---|---|---|---|---|
| LED | Neon lamp | |||||
| Model | Model | Model | ||||
 |
Roller lever:
R38 mm |
Screw
terminals (Conduit size: G½) |
15±5° | WLCA2-N | WLCA2-LD-N | WLCA2-LE-N |
| 25±5° | WLCA2-2-N | WLCA2-2LD-N | WLCA2-2LE-N | |||
| 20° max. | WLCA2-2N-N | WLCA2-2NLD-N | WLCA2-2NLE-N | |||
| 10°+2°,-1° | WLG2 | WLG2-LD | WLG2-LE | |||
| 5°+2°, 0° | WLGCA2 | WLGCA2-LD | WLGCA2-LE | |||
 |
Roller lever:
R50 mm |
15±5° | WLCA2-7-N | WLCA2-7LD-N | WLCA2-7LE-N | |
| 25±5° | --- | --- | --- | |||
| 20° max. | --- | --- | --- | |||
 |
Roller lever:
R63 mm |
15±5° | WLCA2-8-N | WLCA2-8LD-N | WLCA2-8LE-N | |
| 25±5° | --- | --- | --- | |||
| 20° max. | --- | --- | --- | |||
 |
Adjustable
roller lever (R25 to 89 mm) |
15±5° | WLCA12-N | WLCA12-LD-N | WLCA12-LE-N | |
| 25±5° | WLCA12-2-N | WLCA12-2LD-N | WLCA12-2LE-N | |||
| 20° max. | WLCA12-2N-N | WLCA12-2NLD-N | WLCA12-2NLE-N | |||
| 10°+2°,-1° | WLG12 | WLG12-LD | WLG12-LE | |||
* The default setting is light-ON when not operating (NO wiring). Turn the lamp holder by 180° to change the setting to light-
ON when operating (NC wiring).
ON when operating (NC wiring).
| Appear-
ance |
Actuator | Terminal
shape |
Pretravel
(PT) |
Connector
shape |
Volt-
age |
Wiring
locations |
Connector
pin No. |
Model |
|---|---|---|---|---|---|---|---|---|
 |
Roller
lever: R38 mm |
Direct-
wire con- nector |
15±5° | Threaded
(M12) |
AC | NO only | NO: ③④ | WLCA2-LDK13A-N |
| DC | NO only | NO: ③④ | WLCA2-LDK13-N | |||||
| AC | NC+NO | NO: ③④
NC: ①② |
WLCA2-LDK43A-N | |||||
| DC | NC+NO | NO: ③④
NC: ①② |
WLCA2-LDK43-N | |||||
| 10°
+2°,-1° |
NO only | NO: ③④ | WLG2-LDK13 | |||||
| NC+NO | NO: ③④
NC: ①② |
WLG2-LDK43 | ||||||
| 5°
+2°, 0° |
NO only | NO: ③④ | WLGCA2-LDK13 | |||||
| NC+NO | NO: ③④
NC: ①② |
WLGCA2-LDK43 | ||||||
 |
Roller
lever: R38 mm |
Pre-
wired con- nectors |
15±5° | Threaded
(M12) |
DC | NO only | NO: ③④ | WLCA2-LD-M1J-N |
| NO only | NO: ③④ | WLCA2-LD-M1GJ-N | ||||||
| NC only | NC: ③② | WLCA2-LD-M1JB-N | ||||||
| NC+NO | NO: ③④
NC: ①② |
WLCA2-LD-DGJ-N | ||||||
| NO only | NO: ③④
NC: ② |
WLCA2-LD-DK1EJ-N | ||||||
| Smartclick | NC+NO | NO: ③④
NC: ①② |
WLCA2-LD-DTGJ-N | |||||
| NO only | NO: ③④
NC: ② |
WLCA2-LD-DTK1EJ-N | ||||||
| 10°
+2°,-1° |
Threaded
(M12) |
NO only | NO: ③④ | WLG2-LD-M1J | ||||
| NO only | NO: ①④ | WLG2-LD-M1GJ | ||||||
| NC only | NC: ③② | WLG2-LD-M1JB | ||||||
| NC+NO | NO: ③④
NC: ①② |
WLG2-LD-DGJ03 | ||||||
| NO only | NO: ③④
NC: ② |
WLG2-LD-DK1EJ03 | ||||||
| Smartclick | NO only | NO: ③④ | WLG2-LD-M1TJ | |||||
| NO only | NO: ①④ | WLG2-LD-M1TGJ | ||||||
| NC only | NC: ③② | WLG2-LD-M1TJB | ||||||
| NC+NO | NO: ③④
NC: ①② |
WLG2-LD-DTGJ03 | ||||||
| NO only | NO: ③④
NC: ② |
WLG2-LD-DTK1EJ03 | ||||||
| 5°+2°, 0° | Threaded
(M12) |
NO only | NO: ③④ | WLGCA2-LD-M1J | ||||
| NO only | NO: ①④ | WLGCA2-LD-M1GJ | ||||||
| NC only | NC: ③② | WLGCA2-LD-M1JB | ||||||
| NC+NO | NO: ③④
NC: ①② |
WLGCA2-LD-DGJ03 | ||||||
| Smartclick | NC+NO | NO: ③④
NC: ①② |
WLGCA2-LD-DTGJ03 | |||||
| NO only | NO: ③④
NC: ② |
WLGCA2-LD-DTK1EJ03 |
Note: 1. The photo shows a typical model.
2. The default setting is light-ON when not operating (NO wiring). Turn the lamp holder by 180° to change the setting to
light-ON when operating (NC wiring). (However, Three-core and Four-core Switches cannot be switched to light-ON
when operating (NC wiring))
2. The default setting is light-ON when not operating (NO wiring). Turn the lamp holder by 180° to change the setting to
light-ON when operating (NC wiring). (However, Three-core and Four-core Switches cannot be switched to light-ON
when operating (NC wiring))
Airtight Built-in Switch
| Appear-
ance |
Actuator | Terminal
shape |
Pretravel
(PT) |
Without operation
indicator |
With operation indicator * | |
|---|---|---|---|---|---|---|
| LED | Neon lamp | |||||
| Model | Model | Model | ||||
 |
Roller lever:
R38 mm |
Screw
terminals (Conduit size: G½) |
15±5° | WLCA2-55-N | WLCA2-55LD-N | WLCA2-55LE-N |
| 25±5° | WLCA2-255-N | WLCA2-255LD-N | WLCA2-255LE-N | |||
| 20° max. | WLCA2-2N55-N | WLCA2-2N55LD-N | WLCA2-2N55LE-N | |||
| 10°+2°,-1° | WLG2-55 | WLG2-55LD | WLG2-55LE | |||
| 5°+2°, 0° | WLGCA2-55 | WLGCA2-55LD | WLGCA2-55LE | |||
 |
Adjustable
roller lever (R25 to 89 mm) |
Screw
terminals (Conduit size: G½) |
15±5° | WLCA12-55-N | WLCA12-55LD-N | WLCA12-55LE-N |
| 25±5° | --- | --- | --- | |||
| 20° max. | --- | --- | --- | |||
| 10°+2°,-1° | --- | --- | --- | |||
* The default setting is light-ON when not operating (NO wiring). Turn the lamp holder by 180° to change the setting to light-
ON when operating (NC wiring).
ON when operating (NC wiring).
| Appear-
ance |
Actuator | Terminal
shape |
Pretravel
(PT) |
Connector
shape |
Volt-
age |
Wiring
locations |
Connector
pin No. |
Model |
|---|---|---|---|---|---|---|---|---|
 |
Roller
lever: R38 mm |
Direct-
wire con- nector |
15±5° | Threaded
(M12) |
DC | NO only | NO: ③④ | WLCA2-55LDK13-N |
| NC+NO | NO: ③④
NC: ①② |
WLCA2-55LDK43-N | ||||||
| 10°
+2°,-1° |
NO only | NO: ③④ | WLG2-55LDK13 | |||||
| NC+NO | NO: ③④
NC: ①② |
WLG2-55LDK43 | ||||||
| 5°+2°, 0° | NO only | NO: ③④ | WLGCA2-55LDK13 | |||||
| NC+NO | NO: ③④
NC: ①② |
WLGCA2-55LDK43 | ||||||
 |
Roller
lever: R38 mm |
Pre-
wired con- nectors |
15±5° | Threaded
(M12) |
DC | NO only | NO: ③④ | WLCA2-55LD-M1J-N |
| NO only | NO: ①④ | WLCA2-55LD-M1GJ-N | ||||||
| NC only | NC: ③② | WLCA2-55LD-M1JB-N | ||||||
| NC+NO | NO: ③④
NC: ①② |
WLCA2-55LD-DGJ-N | ||||||
| NO only | NO: ③④
NC: ② |
WLCA2-55LD-DK1EJ-N | ||||||
| Smartclick | NC+NO | NO: ③④
NC: ①② |
WLCA2-55LD-DTGJ-N | |||||
| Threaded
(M12) |
NO only | NO: ③④ | WLD2-55LD-M1J | |||||
| NO only | NO: ①④ | WLG2-55LD-M1GJ | ||||||
| NC only | NC: ③② | WLG2-55LD-M1JB | ||||||
| 10°
+2°,-1° |
NC+NO | NO: ③④
NC: ①② |
WLG2-55LD-DGJ03 | |||||
| NO only | NO: ③④
NC: ② |
WLG2-55LD-DK1EJ03 | ||||||
| Smartclick | NO only | NO: ①④ | WLG2-55LD-M1TGJ | |||||
| NC only | NC: ③② | WLG2-55LD-M1TJB | ||||||
| NC+NO | NO: ③④
NC: ①② |
WLG2-55LD-DTGJ03 |
Note: 1. The photo shows a typical model.
2. The default setting is light-ON when not operating (NO wiring). Turn the lamp holder by 180° to change the setting to
light-ON when operating (NC wiring). (However, Three-core and Four-core Switches cannot be switched to light-ON
when operating (NC wiring))
2. The default setting is light-ON when not operating (NO wiring). Turn the lamp holder by 180° to change the setting to
light-ON when operating (NC wiring). (However, Three-core and Four-core Switches cannot be switched to light-ON
when operating (NC wiring))
Plunger Actuators
Standard built-in switch
| Appear-
ance |
Actuator | Terminal shape | Pretravel
(PT) |
Without
operation indicator |
With operation indicator * | |
|---|---|---|---|---|---|---|
| LED | Neon lamp | |||||
| Model | Model | Model | ||||
 |
Sealed top-roller plunger | Screw terminals
(Conduit size: G½) |
1.7 mm max. | WLD28-N | WLD28-LD-N | WLD28-LE-N |
 |
Top-roller plunger | WLD2-N | WLD2-LD-N | WLD2-LE-N | ||
 |
Sealed top plunger | WLD18-N | WLD18-LD-N | WLD18-LE-N | ||
 |
Sealed top-ball plunger | WLD38-N | WLD38-LD-N | WLD38-LE-N | ||
 |
Horizontal plunger | 2.8 mm max. | WLSD-N | WLSD-LD-N | WLSD-LE-N | |
 |
Horizontal-roller plunger | WLSD2-N | WLSD2-LD-N | WLSD2-LE-N | ||
 |
Horizontal-ball plunger | WLSD3-N | WLSD3-LD-N | WLSD3-LE-N | ||
* The default setting is light-ON when not operating (NO wiring). Turn the lamp holder by 180° to change the setting to light-
ON when operating (NC wiring).
ON when operating (NC wiring).
| Appear-
ance |
Actuator | Terminal
shape |
Pretravel
(PT) |
Connector
shape |
Volt-
age |
Wiring
locations |
Connector
pin No. |
Model |
|---|---|---|---|---|---|---|---|---|
 |
Sealed
top-roller plunger |
Direct-wire
connector type |
1.7 mm
max. |
Threaded
(M12) |
DC | NO only | NO: ③④ | WLD28-LDK13-N |
| NC+NO | NO: ③④
NC: ①② |
WLD28-LDK43-N | ||||||
| Pre-wired
connector type |
NO only | NO: ③④ | WLD28-LD-M1J-N | |||||
| NO only | NO: ①④ | WLD28-LD-M1GJ-N | ||||||
| NC+NO | NO: ③④
NC: ①② |
WLD28-LD-DGJ-N | ||||||
| NO only | NO: ③④
NC: ② |
WLD28-LD-DK1EJ-N |
Note: The default setting is light-ON when not operating (NO wiring). Turn the lamp holder by 180° to change the setting to
light-ON when operating (NC wiring). (However, Three-core and Four-core Switches cannot be switched to light-ON
when operating (NC wiring))
light-ON when operating (NC wiring). (However, Three-core and Four-core Switches cannot be switched to light-ON
when operating (NC wiring))
Airtight Built-in Switch
| Appear-
ance |
Actuator | Terminal
shape |
Pretravel
(PT) |
Without operation
indicator |
With operation indicator * | |
|---|---|---|---|---|---|---|
| LED | Neon lamp | |||||
| Model | Model | Model | ||||
 |
Sealed top-roller
plunger |
Screw
terminals (Conduit size: G½) |
1.7 mm max. | WLD28-55-N | WLD28-55LD-N | WLD28-55LE-N |
 |
Top-roller plunger | 1.7 mm max. | WLD2-55-N | WLD2-55LD-N | WLD2-55LE-N | |
 |
Horizontal plunger | 2.8 mm max. | WLSD-55-N | WLSD-55LD-N | --- | |
 |
Horizontal-roller
plunger |
2.8 mm max. | WLSD2-55-N | WLSD2-55LD-N | --- | |
* The default setting is light-ON when not operating (NO wiring). Turn the lamp holder by 180° to change the setting to light-
ON when operating (NC wiring).
ON when operating (NC wiring).
| Appear-
ance |
Actuator | Terminal
shape |
Pretravel
(PT) |
Connector
shape |
Volt-
age |
Wiring
locations |
Connector
pin No. |
Model |
|---|---|---|---|---|---|---|---|---|
 |
Sealed
top-roller plunger |
Direct-wire
connector type |
1.7 mm
max. |
Threaded
(M12) |
DC | NO only | NO: ③④ | WLD28-55LDK13-N |
| NC+NO | NO: ③④
NC: ①② |
WLD28-55LDK43-N | ||||||
| Pre-wired
connectors type |
NO only | NO: ③④ | WLD28-55LD-M1J-N | |||||
| NO only | NO: ①④ | WLD28-55LD-M1GJ-N | ||||||
| NC+NO | NO: ③④
NC: ①② |
WLD28-55LD-DGJ-N | ||||||
| NO only | NO: ③④
NC: ② |
WLD28-55LD-DK1EJ-N |
Note: The default setting is light-ON when not operating (NO wiring). Turn the lamp holder by 180° to change the setting to
light-ON when operating (NC wiring). (However, Three-core and Four-core Switches cannot be switched to light-ON
when operating (NC wiring)).
light-ON when operating (NC wiring). (However, Three-core and Four-core Switches cannot be switched to light-ON
when operating (NC wiring)).
Flexible Rod
Standard built-in switch
| Appear-
ance |
Actuator | Terminal
shape |
Pretravel
(PT) |
Without operation
indicator |
With operation indicator * | |
|---|---|---|---|---|---|---|
| LED | Neon lamp | |||||
| Model | Model | Model | ||||
 |
Adjustable rod lever:
(25 to 140 mm) |
Screw
terminals (Conduit size: G½) |
15±5° | WLCL-N | WLCL-LD-N | WLCL-LE-N |
| 25±5° | WLCL-2-N | WLCL-2LD-N | WLCL-2LE-N | |||
| 20° max. | WLCL-2N-N | WLCL-2NLD-N | WLCL-2NLE-N | |||
| 10°+2°,-1° | WLGL | WLGL-LD | WLGL-LE | |||
 |
Adjustable rod lever:
(350 to 380 mm) |
15±5° | WLCAL4-N | WLCAL4-LD-N | WLCAL4-LE-N | |
| 25±5° | --- | --- | --- | |||
| 20° max. | --- | --- | --- | |||
 |
Rod spring lever | 15±5° | WLCAL5-N | WLCAL5-LD-N | WLCAL5-LE-N | |
| 25±5° | --- | --- | --- | |||
| 20° max. | --- | --- | --- | |||
 |
Coil spring (6.5 dia.) | 20±10 mm | WLNJ-N | WLNJ-LD-N | WLNJ-LE-N | |
 |
Coil spring (4.8 dia.) | 20±10 mm | WLNJ-30-N | WLNJ-30LD-N | WLNJ-30LE-N | |
 |
Flexible rod | 40±20 mm | WLNJ-2-N | WLNJ-2LD-N | WLNJ-2LE-N | |
 |
Flexible rod: Steel
wire (1 dia.) |
40±20 mm | WLNJ-S2-N | WLNJ-S2LD-N | WLNJ-S2LE-N | |
* The default setting is light-ON when not operating (NO wiring). Turn the lamp holder by 180° to change the setting to light-
ON when operating (NC wiring).
ON when operating (NC wiring).
Airtight Built-in Switch Specifications
| Appear-
ance |
Actuator | Terminal
shape |
Pretravel
(PT) |
Without operation
indicator |
With operation indicator * | |
|---|---|---|---|---|---|---|
| LED | Neon lamp | |||||
| Model | Model | Model | ||||
 |
Adjustable rod lever:
25 to 140 mm |
Screw
terminals (Conduit size: G½) |
15±5° | WLCL-55-N | WLCL-55LD-N | --- |
| 25±5° | --- | --- | --- | |||
| 20° max. | --- | --- | --- | |||
 |
Coil spring (6.5 dia.) | 20±10 mm | WLNJ-55-N | WLNJ-55LD-N | --- | |
 |
Flexible rod: Resin rod
(8 dia.) |
40±20 mm | WLNJ-255-N | WLNJ-255LD-N | --- | |
* The default setting is light-ON when not operating (NO wiring). Turn the lamp holder by 180° to change the setting to light-
ON when operating (NC wiring).
ON when operating (NC wiring).
Fork Lock Lever
| Appear-
ance |
Actuator | Terminal
shape |
Pretravel
(PT) |
Without operation
indicator |
With operation indicator * | |
|---|---|---|---|---|---|---|
| LED | Neon lamp | |||||
| Model | Model | Model | ||||
 |
Fork Lock Lever A | Screw
terminals (Conduit size: G½) |
55° max. | WLCA32-41-N | WLCA32-41LD-N | WLCA32-41LE-N |
 |
Fork Lock Lever B | 55° max. | WLCA32-42-N | --- | WLCA32-42LE-N | |
 |
Fork Lock Lever C | 55° max. | WLCA32-43-N | WLCA32-43LD-N | WLCA32-43LE-N | |
 |
Fork Lock Lever D | 55° max. | WLCA32-44-N | --- | --- | |
* The default setting is light-ON when not operating (NO wiring). Turn the lamp holder by 180° to change the setting to light-
ON when operating (NC wiring).
ON when operating (NC wiring).
Environment-resistant Limit Switches
Model Number Structure
Model Number Legend (Not all combinations are possible. Ask your OMRON representative for details.)
Basic models
High-sensitivity and High-precision Models
Ordering Information
Roller Lever
| Appear-
ance |
Actuator | Terminal
shape |
Built-in switch
specification/ Temperature Specifications |
Pretravel
(PT) |
Without operation
indicator |
With operation indicator | |
|---|---|---|---|---|---|---|---|
| Indicator | LED | ||||||
| Model | Wiring
Specifications |
Model | |||||
 |
Roller
lever: R38 mm |
Screw
terminals (Conduit size: G1/2) |
Heat-resistant
type |
15±5° | WLCA2-TH-N | --- | --- |
| 25±5° | WLCA2-2TH-N | --- | --- | ||||
| 20° max. | WLCA2-2NTH-N | --- | --- | ||||
| 10°+2°,-1° | WLG2-TH | --- | --- | ||||
| 5°+2°, 0° | WLGCA2-TH | --- | --- | ||||
| Cold-resistant
type |
15±5° | WLCA2-TC-N | --- | --- | |||
| 25±5° | WLCA2-2TC-N | --- | --- | ||||
| 20° max. | WLCA2-2NTC-N | --- | --- | ||||
| 10°+2°,-1° | WLG2-TC | --- | --- | ||||
| 5°+2°, 0° | WLGCA2-TC | --- | --- | ||||
| Corrosion-
resistant type |
15±5° | WLCA2-RP-N | --- | --- | |||
| 10°+2°,-1° | WLG2-RP | --- | --- | ||||
| 5°+2°, 0° | WLGCA2-RP | --- | --- | ||||
| Weather-
resistant type |
15±5° | WLCA2-P1-N | --- | --- | |||
| 10°+2°,-1° | WLG2-P1 | --- | --- | ||||
| Direct-
wire cable |
Coolant-
resistant type |
15±5° | WLCA2-RP60-N | NC wiring | WLCA2-RP60LD2-N | ||
| NO wiring | WLCA2-RP60LD3-N | ||||||
| 25±5° | WLCA2-2RP60-N | NC wiring | WLCA2-2RP60LD2-N | ||||
| NO wiring | WLCA2-2RP60LD3-N | ||||||
| 10°+2°,-1° | WLG2-RP60 | NC wiring | WLG2-RP60LD2 | ||||
| NO wiring | WLG2-RP60LD3 | ||||||
| 5°+2°, 0° | WLGCA2-RP60 | NC wiring | WLGCA2-RP60LD2 | ||||
| NO wiring | WLGCA2-RP60LD3 | ||||||
| Molded
terminal -RP40 |
15±5° | WLCA2-RP40-N | --- | --- | |||
| Molded
terminal -139 |
15±5° | WLCA2-139-N | NC wiring | WLCA2-139LD2-N | |||
| NO wiring | WLCA2-139LD3-N | ||||||
| 25±5° | WLCA2-2139-N | NC wiring | WLCA2-2139LD2-N | ||||
| NO wiring | WLCA2-2139LD3-N | ||||||
| 20° max. | WLCA2-2N139-N | --- | --- | ||||
| 10°+2°,-1° | WLG2-139 | NO wiring | WLG2-139LD3 | ||||
| 5°+2°, 0° | WLGCA2-139 | NC wiring | WLGCA2-139LD2 | ||||
| NO wiring | WLGCA2-139LD3 | ||||||
| Molded
terminal -140 |
15±5° | WLCA2-140-N | --- | --- | |||
| 20° max. | WLCA2-2N140-N | --- | --- | ||||
| 10°+2°,-1° | WLG2-140 | NC wiring | WLG2-140LD2 * | ||||
| NO wiring | WLG2-140LD3 * | ||||||
| Molded
terminal -141 |
15±5° | WLCA2-141-N | NC wiring | WLCA2-141LD2-N | |||
| NO wiring | WLCA2-141LD3-N | ||||||
| 10°+2°,-1° | WLG2-141 | NC wiring | WLG2-141LD2 | ||||
| NO wiring | WLG2-141LD3 | ||||||
| 5°+2°, 0° | WLGCA2-141 | NO wiring | WLGCA2-141LD3 | ||||
 |
Adjustable
roller lever (R25 to 89 mm) |
Screw
terminals (Conduit size: G1/2) |
Heat-resistant
type |
15±5° | WLCA12-TH-N | ─ | ─ |
| 25±5° | WLCA12-2TH-N | ─ | ─ | ||||
| 20° max. | WLCA12-2NTH-N | ─ | ─ | ||||
| 10°+2°,-1° | WLG12-TH | ─ | ─ | ||||
| Cold-resistant
type |
15±5° | WLCA12-TC-N | ─ | ─ | |||
| 25±5° | WLCA12-2TC-N | ─ | ─ | ||||
| 20° max. | WLCA12-2NTC-N | ─ | ─ | ||||
| 10°+2°,-1° | WLG12-TC | ─ | ─ | ||||
| Corrosion-
resistant type |
15±5° | WLCA12-RP-N | ─ | ─ | |||
| 10°+2°,-1° | WLG12-RP | ─ | ─ | ||||
| Weather-
resistant type |
15±5° | WLCA12-P1-N | ─ | ─ | |||
| 10°+2°,-1° | WLG12-P1 | ─ | ─ | ||||
| Direct-
wire cable |
Coolant-
resistant type |
15±5° | WLCA12-RP60-N | ─ | ─ | ||
| Molded
terminal -139 |
15±5° | WLCA12-139-N | ─ | ─ | |||
| Molded
terminal -140 |
15±5° | WLCA12-140-N | ─ | ─ | |||
* Ask your OMRON representative for details on Two-core switches.
Plunger
| Appear-
ance |
Actuator | Terminal shape | Built-in switch
specification/ Temperature Specifications |
Pretravel
(PT) |
Without operation
indicator |
|---|---|---|---|---|---|
| Model | |||||
 |
Sealed
top-roller plunger |
Screw terminals
(Conduit size: G1/2) |
Heat-resistant type | 1.7 mm
max. |
WLD28-TH-N |
| Cold-resistant type | WLD28-TC-N | ||||
| Corrosion-resistant type | WLD28-RP-N | ||||
| Direct-wire cable | Coolant-resistant type | WLD28-RP60-N | |||
| Molded terminal -139 | WLD28-139-N | ||||
| Molded terminal -140 | WLD28-140-N | ||||
 |
Top-roller
plunger |
Screw terminals
(Conduit size: G1/2) |
Heat-resistant type | WLD2-TH-N | |
| Direct-wire cable | Coolant-resistant type | WLD2-RP60-N | |||
| Molded terminal -139 | WLD2-139-N | ||||
 |
Horizontal
plunger |
Screw terminals
(Conduit size: G1/2) |
Heat-resistant type | 2.8 mm
max. |
WLSD-TH-N |
| Cold-resistant type | WLSD-TC-N | ||||
| Corrosion-resistant type | WLSD-RP-N | ||||
| Direct-wire cable | Coolant-resistant type | WLSD-RP60-N | |||
| Molded terminal -139 | WLSD-139-N | ||||
 |
Horizontal-
roller plunger |
Screw terminals
(Conduit size: G1/2) |
Heat-resistant type | WLSD2-TH-N | |
| Cold-resistant type | WLSD2-TC-N | ||||
| Corrosion-resistant type | WLSD2-RP-N | ||||
| Direct-wire cable | Coolant-resistant type | WLSD2-RP60-N | |||
| Molded terminal -139 | WLSD2-139-N | ||||
| Molded terminal -140 | WLSD2-140-N |
Flexible Rod
| Appear-
ance |
Actuator | Terminal shape | Built-in switch
specification/ Temperature Specifications |
Pretravel
(PT) |
Without operation
indicator |
|---|---|---|---|---|---|
| Model | |||||
 |
Coil spring
(6.5 dia.) |
Screw terminals
(Conduit size: G1/2) |
Heat-resistant type | 20±10mm | WLNJ-TH-N |
| Cold-resistant type | WLNJ-TC-N | ||||
| Corrosion-resistant type | WLNJ-RP-N | ||||
| Direct-wire cable | Coolant-resistant type | WLNJ-RP60-N | |||
| Molded terminal -139 | WLNJ-139-N | ||||
| Molded terminal -140 | WLNJ-140-N | ||||
 |
Resin rod
(8 dia.) |
Screw terminals
(Conduit size: G1/2) |
Corrosion-resistant type | 40±20mm | WLNJ-2RP-N |
| Direct-wire cable | Coolant-resistant type | 40±20mm | WLNJ-2RP60-N | ||
| Molded terminal -139 | WLNJ-2139-N | ||||
| Molded terminal -140 | WLNJ-2140-N | ||||
 |
Adjustable
rod lever (25 to 140 mm) |
Screw terminals
(Conduit size: G1/2) |
Heat-resistant type | 15±5° | WLCL-TH-N |
| 25±5° | WLCL-2TH-N | ||||
| 20° max. | WLCL-2NTH-N | ||||
| 10°+2°,-1° | WLGL-TH | ||||
| Cold-resistant type | 15±5° | WLCL-TC-N | |||
| 25±5° | WLCL-2TC-N | ||||
| 20° max. | WLCL-2NTC-N | ||||
| 10°+2°,-1° | WLGL-TC | ||||
| Corrosion-resistant type | 15±5° | WLCL-RP-N | |||
| 10°+2°,-1° | WLGL-RP | ||||
| Weather-resistant type | 15±5° | WLCL-P1-N | |||
| 10°+2°,-1° | WLGL-P1 | ||||
| Direct-wire cable | Coolant-resistant type | 15±5° | WLCL-RP60-N | ||
| Molded terminal -139 | 15±5° | WLCL-139-N | |||
| Molded terminal -140 | 15±5° | WLCL-140-N |
Spatter-prevention Switches
Model Number Structure
Model Number Legend (Not all combinations are possible. Ask your OMRON representative for details.)
Basic models
High-sensitivity and High-precision Models
Ordering Information
Roller Lever
Standard built-in switch
Screw terminals
| Appearance | Actuator | Pretravel (PT) | Lever type | With operation indicator * | |
|---|---|---|---|---|---|
| LED | Neon lamp | ||||
| Model | Model | ||||
 |
Roller lever:
R38 mm |
15±5° | Double nut Lever | WLCA2-LDAS-N | WLCA2-LEAS-N |
| Allen-head Lever | WLCA2-LDS-N | WLCA2-LES-N | |||
| 10°+2°,-1° | Double nut Lever | WLG2-LDAS | WLG2-LEAS | ||
| Allen-head Lever | WLG2-LDS | WLG2-LES | |||
| 5°+2°, 0° | WLGCA2-LDS | WLGCA2-LES | |||
* The default setting is light-ON when not operating (NO wiring). Turn the lamp holder by 180° to change the setting to light-
ON when operating (NC wiring).
ON when operating (NC wiring).
Pre-wired Connectors
| Appear-
ance |
Actuator | Pretravel
(PT) |
Lever
type |
Connector
shape |
Usage
Voltage |
Wiring
locations |
Connector
pin No. |
With operation
indicator * |
|---|---|---|---|---|---|---|---|---|
| LED | ||||||||
| Wiring Specifications | ||||||||
 |
Roller
lever: R38 mm |
15±5° | Allen-
head Lever |
Threaded
(M12) |
DC | NO only | NO: ③④ | WLCA2-LDS-M1J-1-N |
| NC+NO | NO: ③④
NC: ①② |
WLCA2-LDS-DGJS-N | ||||||
| 10°+2°,-1° | NO: ③④
NC: ①② |
WLG2-LDS-DGJS03 | ||||||
| NO only | NO: ③④
NC: ② |
WLG2-LDS-DK1EJ03 | ||||||
| NO: ③④ | WLG2-LDS-M1J-1 | |||||||
| NO: ①④ | WLG2-LDS-M1GJ-1 | |||||||
| 5°+2°, 0° | NO: ③④ | WLGCA2-LDS-M1J-1 | ||||||
| NO: ①④ | WLGCA2-LDS-M1GJ-1 | |||||||
| 15±5° | Smartclick | NC+NO | NO: ③④
NC: ①② |
WLCA2-LDS-DTGJS-N | ||||
| 10°+2°,-1° | NO only | NO: ①④ | WLG2-LDS-DTGJS03 |
* The default setting is light-ON when not operating (NO wiring). Turn the lamp holder by 180° to change the setting to light-
ON when operating (NC wiring). (However, Three-core and Four-core Switches cannot be switched to light-ON when
operating (NC wiring).)
ON when operating (NC wiring). (However, Three-core and Four-core Switches cannot be switched to light-ON when
operating (NC wiring).)
Airtight Built-in Switch
Pre-wired Connector types
| Appear-
ance |
Actuator | Pretravel
(PT) |
Lever
type |
Connector
shape |
Usage
Voltage |
Wiring
locations |
Connector
pin No. |
With operation
indicator * |
|---|---|---|---|---|---|---|---|---|
| LED | ||||||||
| Model | ||||||||
 |
Roller
lever: R38 mm |
10°
+2°,-1° |
Allen-
head Lever |
Threaded
(M12) |
DC | NO only | NO: ③④ | WLG2-55LDS-M1J-1 |
| NO: ①④ | WLG2-55LDS-M1GJ-1 | |||||||
| NC+NO | NO: ③④
NC: ①② |
WLG2-55LDS-DGJS03 | ||||||
| Smartclick | NO: ③④
NC: ①② |
WLG2-55LDS-M1TGJ |
* The default setting is light-ON when not operating (NO wiring). Turn the lamp holder by 180° to change the setting to light-
ON when operating (NC wiring). (However, Three-core and Four-core Switches cannot be switched to light-ON when
operating (NC wiring).)
ON when operating (NC wiring). (However, Three-core and Four-core Switches cannot be switched to light-ON when
operating (NC wiring).)
Plunger Actuators
Standard built-in switch
Screw terminals
| Appearance | Actuator | Pretravel (PT) | With operation indicator * | |
|---|---|---|---|---|
| LED | Neon lamp | |||
| Model | Model | |||
 |
Sealed top-roller plunger | 1.7 mm max. | WLD28-LDS-N | WLD28-LES-N |
* The default setting is light-ON when not operating (NO wiring). Turn the lamp holder by 180° to change the setting to light-
ON when operating (NC wiring).
ON when operating (NC wiring).
Pre-wired Connectors
| Appear-
ance |
Actuator | Pretravel
(PT) |
Connector
shape |
Voltage | Wiring
locations |
Connector
pin No. |
With operation indicator * |
|---|---|---|---|---|---|---|---|
| LED | |||||||
| Model | |||||||
 |
Sealed
top-roller plunger |
1.7 mm
max. |
Threaded
(M12) |
DC | NO only | NO: ③④ | WLD28-LDS-M1J-1-N |
| DC | NO only | NO: ①④ | WLD28-LDS-M1GJ-1-N | ||||
| DC | NC+NO | NO: ③④
NC: ①② |
WLD28-LDS-DGJS-N | ||||
| Smartclick | DC | NC+NO | NO: ③④
NC: ①② |
WLD28-LDS-DTGJS-N |
Note: The standard cable length for a pre-wired connector is 0.3 m. Contact your OMRON representative for information on
other cable lengths.
* The default setting is light-ON when not operating (NO wiring). Turn the lamp holder by 180° to change the setting to light-
ON when operating (NC wiring). (However, Three-core and Four-core Switches cannot be switched to light-ON when
operating (NC wiring).)
other cable lengths.
* The default setting is light-ON when not operating (NO wiring). Turn the lamp holder by 180° to change the setting to light-
ON when operating (NC wiring). (However, Three-core and Four-core Switches cannot be switched to light-ON when
operating (NC wiring).)
Long-life Switches
Model Number Structure
Model Number Legend (Not all combinations are possible. Ask your OMRON representative for details.)
Basic models
High-sensitivity and High-precision Switches
Ordering Information
Roller Lever
Screw terminals
| Appearance | Actuator | Pretravel (PT) | With operation indicator * |
|---|---|---|---|
| LED | |||
| Model | |||
 |
Roller lever: R38 mm | 15±5° | WLMCA2-LD-N |
 |
10°+2°,-1° | WLMG2-LD | |
| 5°+2°, 0° | WLMGCA2-LD |
* The default setting is light-ON when not operating (NO wiring). Turn the lamp holder by 180° to change the setting to light-
ON when operating (NC wiring).
ON when operating (NC wiring).
Direct-wire connector
| Appearance | Actuator | Pretravel (PT) | Voltage | Wiring
locations |
Connector
pin No. |
With operation indicator * |
|---|---|---|---|---|---|---|
| LED | ||||||
| Model | ||||||
 |
Roller lever:
R38 mm |
15±5° | AC | NO only | NO: ③④ | WLMCA2-LDK13A-N |
| NC+NO | NO: ③④
NC: ①② |
WLMCA2-LDK43A-N | ||||
| DC | NO only | NO: ③④ | WLMCA2-LDK13-N | |||
| NC+NO | NO: ③④
NC: ①② |
WLMCA2-LDK43-N | ||||
 |
10°+2°,-1° | AC | NO only | NO: ③④ | WLMG2-LDK13A | |
| NC+NO | NO: ③④
NC: ①② |
WLMG2-LDK43A | ||||
| DC | NO only | NO: ③④ | WLMG2-LDK13 | |||
| NC+NO | NO: ③④
NC: ①② |
WLMG2-LDK43 | ||||
| 5°+2°, 0° | AC | NO only | NO: ③④ | WLMGCA2-LDK13A | ||
| DC | NO only | NO: ③④ | WLMGCA2-LDK13 | |||
| NC+NO | NO: ③④
NC: ①② |
WLMGCA2-LDK43 |
* The default setting is light-ON when not operating (NO wiring). Turn the lamp holder by 180° to change the setting to light-
ON when operating (NC wiring). (However, Three-core and Four-core Switches cannot be switched to light-ON when
operating (NC wiring).)
ON when operating (NC wiring). (However, Three-core and Four-core Switches cannot be switched to light-ON when
operating (NC wiring).)
Pre-wired connectors
| Appear-
ance |
Actuator | Pretravel
(PT) |
Voltage | Connector
shape |
Wiring
locations |
Connector
pin No. |
With operation indicator * |
|---|---|---|---|---|---|---|---|
| LED | |||||||
| Model | |||||||
 |
Roller lever:
R38 mm |
15±5° | AC | Threaded
(M12) |
NO only | NO: ③④ | WLMCA2-LD-M1J-N |
| NC+NO | NO: ③④
NC: ①② |
WLMCA2-LD-AGJ-N | |||||
| DC | NO: ③④
NC: ①② |
WLMCA2-LD-DGJ-N | |||||
| Smartclick | NC+NO | NO: ③④
NC: ①② |
WLMCA2-LD-DTGJ-N | ||||
 |
10°
+2°,-1° |
Threaded
(M12) |
NO only | NO: ③④ | WLMG2-LD-M1J | ||
| NC+NO | NO: ③④
NC: ①② |
WLMG2-LD-DGJ03 | |||||
| Smartclick | NO: ③④
NC: ①② |
WLMG2-LD-DTGJ03 | |||||
| 5°+2°, 0° | Threaded
(M12) |
NO only | NO: ③④ | WLMGCA2-LD-M1J |
Note: The standard cable length for a pre-wired connector is 0.3 m. Contact your OMRON representative for information on
other cable lengths.
* The default setting is for light-ON when not operating. Turn the lamp holder by 180° to change the setting to light-ON when
operating. (However, Four-core Switches cannot be switched to light-ON when operating (NC wiring).
other cable lengths.
* The default setting is for light-ON when not operating. Turn the lamp holder by 180° to change the setting to light-ON when
operating. (However, Four-core Switches cannot be switched to light-ON when operating (NC wiring).
Common Accessories (Sold Separately)
Single-item ordering models
Switches without levers, heads, and actuators can be ordered separately. Use by combining with models that are not available as a set. You can also use them as maintenance parts for inventory management.
General-purpose Models
| Actuator | Pretravel
(PT) |
Set Model
Numbers |
Switches without levers | Heads
(with Actuators) |
Actuator * |
|---|---|---|---|---|---|
| Model | Model | Model | |||
| Roller lever: R38 mm | 15±5° | WLCA2-N | WLRCA2-N | WL-1H1100-N | WL-1A100 |
| 25±5° | WLCA2-2-N | WLRCA2-2-N | WL-3H1100-N | ||
| 20° max. | WLCA2-2N-N | WLRCA2-2N-N | WL-1H1100-N | ||
| 10°+2°,-1° | WLG2 | WLRG2 | WL-2H1100-K * | ||
| Adjustable roller lever
(R25 to 89 mm) |
15±5° | WLCA12-N | WLRCA2-N | WL-1H2100-N | WL-2A100 |
| 25±5° | WLCA12-2-N | WLRCA2-2-N | WL-3H2100-N | ||
| 20° max. | WLCA12-2N-N | WLRCA2-2N-N | WL-1H2100-N | ||
| 10°+2°,-1° | WLG12 | WLRG2 | WL-2H2100-K * | ||
| Adjustable rod lever:
(25 to 140mm) |
15±5° | WLCL-N | WLRCL-N | WL-4H4100-N | WL-4A100 |
| 25±5° | WLCL-2-N | WLRCA2-2-N | WL-3H4100-N | ||
| 20° max. | WLCL-2N-N | WLRCA2-2N-N | WL-1H4100-N | ||
| 10°+2°,-1° | WLGL | WLRG2 | WL-2H4100-K * | ||
| Sealed top plunger | 1.7 mm max. | WLD18-N | --- | WL-7H100-N | --- |
| Sealed top-roller plunger | 1.7 mm max. | WLD28-N | --- | WL-7H400-N | --- |
| Sealed top-ball plunger | 1.7 mm max. | WLD38-N | --- | WL-7H300-N | --- |
| Horizontal plunger | 2.8 mm max. | WLSD-N | --- | WL-8H100-N | --- |
| Horizontal-roller plunger | 2.8 mm max. | WLSD2-N | --- | WL-8H200-N | --- |
| Horizontal-ball plunger | 2.8 mm max. | WLSD3-N | --- | WL-8H300-N | --- |
| Coil spring (6.5 dia.) | 20±10 mm | WLNJ-N | --- | WL-9H100-N | --- |
| Coil spring (4.8 dia.) | 20±10 mm | WLNJ-30-N | --- | WL-9H200-N | --- |
| Flexible rod: Resin rod
(8 dia.) |
40±20 mm | WLNJ-2-N | --- | WL-9H300-N | --- |
| Flexible rod: Steel wire
(1 dia.) |
40±20 mm | WLNJ-S2-N | --- | WL-9H400-N | --- |
| Fork Lock Lever A | 55° max. | WLCA32-41-N | WLRCA32-N | WL-5H5100-N | WL-5A100 |
| Fork Lock Lever B | 55° max. | WLCA32-42-N | WL-5H5102-N | WL-5A102 | |
| Fork Lock Lever C | 55° max. | WLCA32-43-N | WL-5H5104-N | WL-5A104 | |
| Fork Lock Lever D | 55° max. | WLCA32-44-N | WL-5H5104-N | WL-5A104 |
* The WL-2H1100-K, WL-2H2100-K, and WL-2H4100-K correspond with each set model WLG[], the design of which was
changed in April 2019.
Please inquire if you desire a single-item head manufactured before the design change. On products that underwent the
design change in April 2019, the front of the switch box cover at the bottom front has a protruding shape, and on earlier
products has a depressed shape.
changed in April 2019.
Please inquire if you desire a single-item head manufactured before the design change. On products that underwent the
design change in April 2019, the front of the switch box cover at the bottom front has a protruding shape, and on earlier
products has a depressed shape.
Spatter-prevention Models
| Actuator | Lever type | Indicator | Pretravel
(PT) |
Set Model Numbers | Switches without
levers |
Actuator * |
|---|---|---|---|---|---|---|
| Model | Model | |||||
| Roller
lever: R38 mm |
Double nut
lever |
LED | 15±5° | WLCA2-LDAS-N | WLRCA2-LDS-N | WL-1A105S |
| Neon lamp | WLCA2-LEAS-N | WLRCA2-LES-N | ||||
| LED | 10°+2°,-1° | WLG2-LDAS | WLRG2-LDS | |||
| Allen-head
lever |
LED | 15±5° | WLCA2-LDS-N | WLRCA2-LDS-N | WL-1A103S | |
| Neon lamp | WLCA2-LES-N | WLRCA2-LES-N | ||||
| LED | 10°+2°,-1° | WLG2-LDS | WLRG2-LDS |
* The actuator is identical for the WL and WL-N models.
Connector for cabtire cable (Conduit size: JIS B0202G1/2)
| Actuator | Application/
Specifications |
External diameter of cable | Model | Applicable limit switch
models |
|
|---|---|---|---|---|---|
| min. | max. | ||||
 |
Cabtire cable
(Metal, with O-ring) |
5.5 dia. | 7.5 dia. | SC-1M | WL[]-N
WLG[] Wiring Specifications: Screw terminals |
| 7.5 dia. | 9.5 dia. | SC-2M | |||
| 11 dia. | 13 dia. | SC-3M | |||
| 12 dia. | 14 dia. | SC-4M | |||
| 9 dia. | 11 dia. | SC-5M | |||
 |
Cabtire cable
(Metal) |
5.5 dia. | 7.5 dia. | SC-21 | |
| 7.5 dia. | 9.5 dia. | SC-22 | |||
| 11 dia. | 13 dia. | SC-23 | |||
| 12 dia. | 14 dia. | SC-24 | |||
| 9 dia. | 11 dia. | SC-25 | |||
 |
Cabtire cable
(Resin) |
7.5 dia. | 9 dia. | SC-6 | |
 |
8.5 dia. | 10.5 dia. | SC-P2 | ||
Note: Please use sealling tape with SC Connectors. SC-1M to SC-5M, however, are provided with an O-ring (NBR) and therefore sealing tape is not necessary to ensure a proper seal. The SC-6 and SC-P2 models are made of resin. If higher sealing performance is required, use one of SC-1M to SC-5M, which have metal connectors.
FA Connectors
| Model | Number of
conductors |
Voltage
specification |
Size of conduit | Size of
crimp terminal |
Applicable model |
|---|---|---|---|---|---|
| SC-2F | 2 | 125 VDC | JIS B0202G1/2 | M4 | WL-N,
WLG |
| SC-2FAD | 2 | 250 VAC | |||
| SC-4F4D | 4 | 125 VDC | |||
| SC-4F4AD | 4 | 250 VAC |
Sensor I/O connectors
| Actuator | AC/DC
type |
Number of
cable cores |
Cable
length (m) |
Cable model | Compatible model |
|---|---|---|---|---|---|
M12 Screw (Straight)
 |
for AC | 2 | 2 | XS2F-A421-DB0-F | WL[]-[]K13A-N
WLG[]-[]K13A |
| 5 | XS2F-A421-GB0-F | ||||
| 4 | 2 | XS2F-A421-D90-F | WL[]-[]K43A-N
WL[]-[]-AGJ-N WLG[]-[]K43A WLG[]-[]-AGJ03 |
||
| 5 | XS2F-A421-G90-F | ||||
| for DC | 2 | 2 | XS2F-D421-DD0 | WL[]-[]K13-N
WL[]-[]-M1J-N WLG[]-[]K13 WLG[]-[]-M1J |
|
| 5 | XS2F-D421-GD0 | ||||
| 2 | XS2F-D421-DA0-F | WL[]-[]-M1GJ[]-N
WLG[]-[]-M1GJ[] |
|||
| 5 | XS2F-D421-GA0-F | ||||
| 4 | 2 | XS2F-D421-D80-F | WL[]-[]K43-N
WL[]-[]-M1JB-N WL[]-[]-DGJ-N WL[]-[]-DK1EJ-N WLG[]-[]K43 WLG[]-[]-M1JB WLG[]-[]-DGJ03 WLG[]-[]-DK1EJ03 |
||
| 5 | XS2F-D421-G80-F | ||||
| M12 Smartclick
(Straight)  |
for DC | 4 | 2 | XS5F-D421-D80-F | WL[]-[]-M1TJ-N
WL[]-[]-M1TGJ-N WL[]-[]-M1TJB-N WL[]-[]-DTGJ-N WL[]-[]-DTK1EJ-N WLG[]-[]-M1TJ WLG[]-[]-M1TGJ WLG[]-[]-M1TJB WLG[]-[]-DTGJ03 WLG[]-[]-DTK1EJ03 |
| 5 | XS5F-D421-G80-F |
Note: For details, refer to the data sheet for XS2 Round Water-resistant Connectors (M12 Threads) or XS5 Round Water-
resistant Connectors (M12 Smartclick).
resistant Connectors (M12 Smartclick).
| Type | Compatible model | Remarks | Model | |||
|---|---|---|---|---|---|---|
| Cover with
indicator lamps *1 |
WL-N | General-purpose models
Long-life models (Basic models, High- sensitivity Switches) |
Indicator
*1 |
LED | Color: Red | WL-LD-N |
| Neon lamp | Color: Orange | WL-LE-N | ||||
| Spatter Prevention models | LED | Color: Red | WL-LDS-N | |||
| Neon lamp | Color: Orange | WL-LES-N | ||||
| WLG | General-purpose models | Indicator | LED | Color: Red | WL-LD-K *2 | |
| Long-life models | Neon lamp | Color: Orange | WL-LE-K *2 | |||
| Spatter Prevention models | LED | Color: Red | WL-LDS-K *2 | |||
| Neon lamp | Color: Orange | WL-LES-K *2 | ||||
| Terminal Plate | WL[]-N | Change from bipolar to monopolar
(contact C). |
WL-N
TERMINAL PLATE |
|||
| Side mounting
plate |
WL[]-2N-N | --- | WLN-P001 | |||
*1. The default setting is for light-ON when not operating. Turn the lamp holder by 180° to change the setting to light-ON
when operating.
*2. The WL-LD-K, WL-LE-K, WL-LDS-K, and WL-LES-K correspond with each set model WLG[], the design of which was
changed in April 2019. Refer to the above for details.
when operating.
*2. The WL-LD-K, WL-LE-K, WL-LDS-K, and WL-LES-K correspond with each set model WLG[], the design of which was
changed in April 2019. Refer to the above for details.
last update: April 1, 2025
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