Omron WLM DATASHEET
Long-life Two-circuit Limit Switch
WLM@
New Long-life Limit Switches Added to the
Wide Variety of WL Models
• Improved resistance to abrasion and smoother movement in the
head section means that a mechanical life of 30,000,000 operations minimum is now a reality.
• Wiring and replacement for maintenance purposes are easy
done.
• Fluorescent indicators improve visibility when setting stroke
zones.
Model Number Structure
■ Model Number Legend
WLM@-LD@
1 2
1. Actuators
CA2: Roller lever: Standard
GCA2: Roller lever: High-precision
H2: Roller lever: Overtravel, general-purpose
G2: Roller lever: Overtravel, high-sensitivity
2. Wiring Specifications
Blank: Screw terminal: G1/2 conduit
K13A: Direct-wired connector: 2-core, AC
K13: Direct-wired connector: 2-core, DC
K43A: Direct-wired connector: 4-core, AC
K43: Direct-wired connector: 4-core, DC
-M1J: Pre-wired connector: 2-core, DC (See note.)
-AGJ03: Pre-wired connector: 4-core, AC (See note.)
-DGJ03: Pre-wired connector: 4-core, DC (See note.)
Note: With 0.3-m cable attached.
Limit
Switches
Long-life Two-circuit Limit Switch WLM@ F-99
Ordering Information
■ List of Models
Roller Lever with LED
Item Model
Type Standard Overtravel High-precision
General-purpose High-sensitivity
Overall movement
Features One-side operation not possible.
Head can be mounted in any of the four directions.
(See note 3.)
Screw terminal WLMCA2-LD WLMH2-LD WLMG2-LD WLMGCA2-LD
Direct-wired
connector
Pre-wired
connector
(See note 2.)
Note: 1. The default setting is light-ON when not operating (NO connection). To switch to light-ON when operating, simply rotate the lamp holder
2. 0.3-m cable attached.
3. One-side operation possible means that, by changing the direction of the operational plunger, one of three operating directions can be
2-core AC WLMCA2-LDK13A WLMH2-LDK13A WLMG2-LDK13A WLMGCA2-LDK13A
DC WLMCA2-LDK13 WLMH2-LDK13 WLMG2-LDK13 WLMGCA2-LDK13
4-core AC WLMCA2-LDK43A WLMH2-LDK43A WLMG2-LDK43A WLMGCA2-LDK43A
DC WLMCA2-LDK43 WLMH2-LDK43 WLMG2-LDK43 WLMGCA2-LDK43
2-core DC WLMCA2-LD-M1J WLMH2-LD-M1J WLMG2-LD-M1J WLMGCA2-LD-M1J
4-core AC WLMCA2-LD-AGJ03 WLMH2-LD-AGJ03 WLMG2-LD-AGJ03 WLMGCA2-LD-AGJ03
DC WLMCA2-LD-DGJ03 WLMH2-LD-DGJ03 WLMG2-LD-DGJ03 WLMGCA2-LD-DGJ03
by 180°. Contact your OMRON representative for details on the 2-core models.
selected. One-side operation not possible means that only operation on both sides is possible. See page 106 for details.
One-side operation possible.
Head can be mounted in any
of the four directions.
(See note 3.)
Applicable Cables
Use the Cables listed below with the Limit Switch with Connector.
Voltage Core wires Cable length Model Connection wires
1234
AC 2 2 m XS2F-A421-DB0-A --- --- Brown Blue
5 m XS2F-A421-GB0-A
4 2 m XS2F-A421-D90-A Brown White Blue Black
5 m XS2F-A421-G90-A
DC 2 2 m XS2F-D421-DD0 --- --- Blue Brown
5 m XS2F-D421-GD0
4 2 m XS2F-D421-D80-A Brown White Blue Black
5 m XS2F-D421-G80-A
F-100 Long-life Two-circuit Limit Switch WLM@
Specifications
■ Ratings
General-purpose Ratings
Refer to these ratings before using the product.
Screw Terminal Models
Model Rated
Standard, overtravel
(except high-sensitivity),
and high-precision
Overtravel
(High-sensitivity)
Inrush current NC 30 A max. (15 A max. (See note))
NO 20 A max. (10 A max. (See note))
Note: Only for high-sensitivity overtravel models.
voltage
115 VAC 10 3 1.5 10 5 2.5
12 VDC 10 6 3 10 6
24 VDC 6 4 3 6 4
48 VDC 3 2 1.5 3 2
115 VDC 0.8 0.2 0.2 0.8 0.2
115 VAC 5 --- --- --115 VDC 0.4 --- --- ---
Resistive load Lamp load Inductive load Motor load
NC NO NC NO NC NO NC NO
Direct-wired/Pre-wired Models
Model Rated
DC12 VDC33333333
AC 115 VAC 3 3 3 1.5 3 3 3 2.5
Note: 1. The above figures are for standard currents.
2. Inductive loads have a power factor of 0.4 min. (AC) and a time constant of 7 ms max. (DC).
3. Lamp load has an inrush current of 10 times the steady-state current.
4. Motor load has an inrush current of 6 times the steady-state current.
voltage
24 VDC33333333
48 VDC33333333
115 VDC 0.8 0.8 0.2 0.2 0.8 0.8 0.2 0.2
Resistive load Lamp load Inductive load Motor load
NC NO NC NO NC NO NC NO
■ Characteristics
Degree of protection IP67
Durability (See note 2.) Mechanical: 30,000,000 operations min. (10 mA at 24 VDC, resistive load)
Operating speed 1 mm to 1 m/s (for WLMCA2)
Operating frequency Mechanical: 120 operations/minute
Rated frequency 50/60 Hz
Insulation resistance 100 MΩ min. (at 500 VDC)
Contact resistance 25 mΩ max. (initial value)
Dielectric strength 1,000 VAC, 50/60 Hz for 1 min between non-continuous terminals. (Except connector models.)
Vibration resistance 10 to 55 Hz, 1.5-mm double amplitude
Shock resistance
Ambient temperature Operating: –10°C to 80°C (with no icing)
Ambient humidity Operating: 95% max.
Weight Approx. 275 g (for WLMCA2)
Note: 1. The figures in parentheses for dielectric strength, are those for overtravel (high-sensitivity) or connector models.
2. The values are calculated at an operating temperature of 5°C to 35°C, and an operating humidity of 40% to 70%. Contact your OMRON
sales representative for more detailed information on other operating environments.
Electrical: 750,000 operations min. (10 A at 115 VAC, resistive load),
Electrical: 30 operations/minute
2,200 VAC (1,500 V), 50/60 Hz for 1 min between non-current-carrying metal part and ground.
2,200 VAC (1,500 V), 50/60 Hz for 1 min between each terminal and non-current-carrying metal part.
Destruction: 1,000 m/s
Malfunction: 300 m/s
Non-inductive load Inductive load
Non-inductive load Inductive load
but for high-precision models: 500,000 operations min. (10 A at 115 VAC, resistive load)
2
min.
2
min.
Limit
Switches
Long-life Two-circuit Limit Switch WLM@ F-101
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