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WL-N / WLG

Two-circuit Limit Switch

WL-N / WLG

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

Item list of WL-N / WLG

Related Contents

last update: April 1, 2025

General-purpose Switches

Ratings

Screw terminals

Without Operation Indicator

Basic models (WL-N)

Ratings Non-inductive load (A) Inductive load (A)
Basic models (WL-N) Basic models (WL-N)
Resistive load Lamp load Inductive load Motor load
Voltage (V) NC NO NC NO NC NO NC NO
AC 125 10 3 1.5 10 5 2.5
250 10 2 1 10 3 1.5
500 10 1.5 0.8 3 1.5 0.8
DC 8 10 6 3 10 6
14 10 6 3 10 6
30 6 4 3 6 4
125 0.8 0.2 0.2 0.8 0.2
250 0.4 0.1 0.1 0.4 0.1

High-sensitivity and High-precision models (WLG)

Ratings Non-inductive load (A)
High-sensitivity and High-precision models (WLG)
Horizontal plunger models (WLSD[])
Resistive load
Voltage (V) NC NO
AC 125 5
250 5
DC 125 0.4
250 0.2

With Operation Indicator (LED)

Basic models (WL-N)

Ratings Non-inductive load (A) Inductive load (A)
Basic models (WL-N) Basic models (WL-N)
Resistive load Lamp load Inductive load Motor load
Voltage (V) NC NO NC NO NC NO NC NO
AC 115 10 3 1.5 10 5 2.5
DC 12 10 6 3 10 6
24 6 4 3 6 4
48 3 2 1.5 3 0.2
115 0.8 0.2 0.8 0.1

High-sensitivity and High-precision models (WLG)

Ratings Non-inductive load (A)
High-sensitivity and High-precision models (WLG)
Horizontal plunger models (WLSD[])
Resistive load
Voltage (V) NC NO
AC 115 5
DC 115 0.4

With Operation Indicators (Neon Lamps)

Basic models (WL-N)

Ratings Non-inductive load (A) Inductive load (A)
Basic models (WL-N) Basic models (WL-N)
Resistive load Lamp load Inductive load Motor load
Voltage (V) NC NO NC NO NC NO NC NO
AC 125 10 3 1.5 10 5 2.5
250 10 2 1 10 3 1.5

High-sensitivity and High-precision models (WLG)

Ratings Non-inductive load (A)
High-sensitivity and High-precision models (WLG)
Horizontal plunger models (WLSD[])
Resistive load
Voltage (V) NC NO
AC 125 5
250 5

Note: 1. The above figures are for steady-state currents.
         2. Inductive loads have a power factor of 0.4 min. (AC) and a time constant of 7 ms max. (DC).
         3. A lamp load has an inrush current of 10 times the steady-state current.
         4. A motor load has an inrush current of 6 times the steady-state current.

Allowable Inrush Current/Minimum Applicable Load

Operating characteristics type Basic models (WL-N) High-sensitivity and
High-precision models (WLG)
Horizontal plunger models (WLSD[])
Inrush current NC 30 A max. 15 A max.
NO 20 A max. 10 A max.
Minimum applicable load 5 VDC 1 mA, resistive load, P level 5 VDC 1 mA, resistive load, P level

Operation Indicator

Operation indicator type LED Neon lamp
Rated voltage 10 to 115 VAC/DC 125 to 250 VAC
Leakage current
(Reference value)		 Approx. 0.4 mA at 10 VAC/DC
Approx. 0.5 mA at 115 VAC/DC		 Approx. 0.6 mA at 125 VAC
Approx. 1.9 mA at 250 VAC

Direct-wired connector and Pre-wired Connector Type

Connector DC Specifications: With Operation Indicators (LEDs)

Basic models (WL-N)

Ratings Non-inductive load (A) Inductive load (A)
Basic models (WL-N) Basic models (WL-N)
Resistive load Lamp load Inductive load Motor load
Voltage (V) NC NO NC NO NC NO NC NO
DC 12 3 3 3 3
24 3 3 3 3
48 4 2 1.5 3 2
115 0.8 0.2 0.2 0.8 0.2

High-sensitivity and High-precision models (WLG)

Ratings Non-inductive load (A)
High-sensitivity and High-precision models (WLG)
Horizontal plunger models (WLSD[])
Resistive load
Voltage (V) NC NO
DC 115 0.4

Connector AC Specifications: With Operation Indicators (LEDs)

Basic models (WL-N)

Ratings Non-inductive load (A) Inductive load (A)
Basic models (WL-N) Basic models (WL-N)
Resistive load Lamp load Inductive load Motor load
Voltage (V) NC NO NC NO NC NO NC NO
AC 115 3 3 1.5 3 3 2.5

High-sensitivity and High-precision models (WLG)

Ratings Non-inductive load (A)
High-sensitivity and High-precision models (WLG)
Horizontal plunger models (WLSD[])
Resistive load
Voltage (V) NC NO
AC 115 3

Note: 1. The above figures are for steady-state currents.
         2. Inductive loads have a power factor of 0.4 min. (AC) and a time constant of 7 ms max. (DC).
         3. A lamp load has an inrush current of 10 times the steady-state current.
         4. A motor load has an inrush current of 6 times the steady-state current.

Minimum Applicable Load

Operating characteristics type Basic models (WL-N) High-sensitivity and
High-precision models (WLG)
Horizontal plunger models (WLSD[])
Minimum applicable load 5 VDC 1 mA, resistive load, P level 5 VDC 1 mA, resistive load, P level

Operation Indicator

Operation indicator type LED Neon lamp
Rated voltage 10 to 115 VAC/DC 125 to 250 VAC
Leakage current
(Reference value)		 Approx. 0.4 mA at 10 VAC/DC
Approx. 0.5 mA at 115 VAC/DC		 Approx. 0.6 mA at 125 VAC
Approx. 1.9 mA at 250 VAC

Characteristics

Operating characteristics type Basic models (WL-N) High-sensitivity and
High-precision models (WLG)
Permissible
operating
frequency		 Mechanical 120 operations/minute
Electrical 30 operations/minute
Rated frequency 50/60 Hz
Permissible operating speed 1 mm/s to 1 m/s (in case of WLCA2-N)
Insulation resistance 100 MΩ min. (at 500 VDC)
Contact resistance 25 mΩ max. (initial value for the built-in switch)
Vibration resistance Malfunction 10 to 55 Hz, 1.5-mm double amplitude
Shock Destruction 1,000 m/s2 max.
Malfunction 300 m/s2 max. *2
Durability *1 Mechanical 15,000,000 operations min.
(Flexible Rod models:
10,000,000 operations min.)		 10,000,000 operations min.
Electrical 750,000 operations min. (Screw
terminals: without operation
indicators, 3 A at 250 VAC, resistive
load. Direct-wire connector/Pre-wired
connector: with operation indicators,
0.8 A at 115 VDC, resistive load) *3		 500,000 operations min. (3 A at 250
VAC, resistive load), but for high-
precision models
Ambient operating temperature -10 to +80°C (with no icing)
Ambient operating humidity 35 to 95%RH
Degree of protection *4 IP67 (EN60947-5-1)
Weight Approx. 255 g (in case of WLCA2-N) Approx. 270 g (in case of WLGCA2)

Note: The above figures are initial values.
*1. The values are calculated at an operating temperature of +5°C to +35°C, and an operating humidity of 40% to 70%RH.
      Contact your OMRON sales representative for more detailed information on other operating environments.
*2. Except Switches with Flexible Rod Actuators.
*3. Horizontal plunger models: 500,000 operations min. (3 A at 250 VAC, resistive load)
*4. The degree of protection is tested using the method specified by the standard (EN60947-5-1). Confirm that sealing
      properties are sufficient for the operating conditions and environment beforehand.

Operating characteristics type Basic models (WL-N) High-sensitivity and
High-precision models (WLG)
Wiring Specifications Screw
terminals		 Direct-wire connector/
Pre-wired Connector
Models		 Screw
terminals		 Direct-wire connector/
Pre-wired Connector
Models
Dielectric
strength		 Between terminals
of the same polarity		 1,000 VAC,
50/60 Hz for
1 min *		 600 VAC,
50/60 Hz for 1 min *		 600 VAC,
50/60 Hz for
1 min *		 600 VAC,
50/60 Hz for 1 min *
Between current-
carrying metal part
and ground		 2,200 VAC,
50/60 Hz for
1 min		 1,500 VAC,
50/60 Hz for 1 min		 1,500 VAC,
50/60 Hz for
1 min		 1,500 VAC,
50/60 Hz for 1 min
Between each
terminal and non-
current-carrying
metal part		 2,200 VAC,
50/60 Hz for
1 min		 1,500 VAC,
50/60 Hz for 1 min		 1,500 VAC,
50/60 Hz for
1 min		 1,500 VAC,
50/60 Hz for 1 min

* Excluding those with operation indicators.

Environment-resistant Limit Switches

Ratings

Screw terminals/Direct-wire cable

Without Operation Indicator

Basic models (WL-N)

Ratings Non-inductive load (A) Inductive load (A)
Basic models (WL-N) Basic models (WL-N)
Resistive load Lamp load Inductive load Motor load
Voltage (V) NC NO NC NO NC NO NC NO
AC 125 10 3 1.5 10 5 2.5
250 10 2 1 10 3 1.5
500 10 1.5 0.8 3 1.5 0.8
DC 8 10 6 3 10 6
14 10 6 3 10 6
30 6 4 3 6 4
125 0.8 0.2 0.2 0.8 0.2
250 0.4 0.1 0.1 0.4 0.1

High-sensitivity and High-precision models (WLG)

Ratings Non-inductive load (A)
High-sensitivity and High-precision models (WLG)
Resistive load
Voltage (V) NC NO
AC 125 5
250 5
DC 125 0.4
250 0.2

With Operation Indicator (LED)

Basic models (WL-N)

Ratings Non-inductive load (A) Inductive load (A)
Basic models (WL-N) Basic models (WL-N)
Resistive load Lamp load Inductive load Motor load
Voltage (V) NC NO NC NO NC NO NC NO
AC 115 10 3 1.5 10 5 2.5
DC 12 10 6 3 10 6
24 6 4 3 6 4
48 3 2 1.5 3 0.2
115 0.8 0.2 0.8 0.1

High-sensitivity and High-precision models (WLG)

Ratings Non-inductive load (A)
High-sensitivity and High-precision models (WLG)
Resistive load
Voltage (V) NC NO
AC 115 5
DC 115 0.4

With Operation Indicators (Neon Lamps)

Basic models (WL-N)

Ratings Non-inductive load (A) Inductive load (A)
Basic models (WL-N) Basic models (WL-N)
Resistive load Lamp load Inductive load Motor load
Voltage (V) NC NO NC NO NC NO NC NO
AC 125 10 3 1.5 10 5 2.5
250 10 2 1 10 3 1.5

High-sensitivity and High-precision models (WLG)

Ratings Non-inductive load (A)
High-sensitivity and High-precision models (WLG)
Resistive load
Voltage (V) NC NO
AC 125 5
250 5

Note: 1. The above figures are for steady-state currents.
         2. Inductive loads have a power factor of 0.4 min. (AC) and a time constant of 7 ms max. (DC).
         3. A lamp load has an inrush current of 10 times the steady-state current.
         4. A motor load has an inrush current of 6 times the steady-state current.

Allowable Inrush Current/ Minimum applicable load

Operating characteristics type Basic models (WL-N) High-sensitivity and
High-precision models (WLG)
Inrush current NC 30 A max. 15 A max.
NO 20 A max. 10 A max.
Minimum applicable load 5 VDC 1 mA, resistive load, P level 5 VDC 1 mA, resistive load, P level

Operation Indicator

Operation indicator type LED Neon lamp
Rated voltage 10 to 115 VAC/DC 125 to 250 VAC
Leakage current
(Reference value)		 Approx. 0.4 mA at 10 VAC/DC
Approx. 0.5 mA at 115 VAC/DC		 Approx. 0.6 mA at 125 VAC
Approx. 1.9 mA at 250 VAC

Characteristics

Operating characteristics type Basic models (WL-N) High-sensitivity and
High-precision models (WLG)
Permissible operating
frequency		 Mechanical 120 operations/minute
Electrical 30 operations/minute
Rated frequency 50/60 Hz
Permissible operating speed 1 mm/s to 1 m/s (in case of WLCA2-N)
Insulation resistance 100 MΩ min. (at 500 VDC)
Contact resistance 25 mΩ or less (default value, built-in switch only)
Vibration resistance Malfunction 10 to 55 Hz, 1.5-mm double amplitude *2
Shock Destruction 1,000 m/s2 max.
Malfunction 300m/s2 max. *2
Durability *1 Mechanical 15,000,000 operations min. 10,000,000 operations min. *3
Electrical 750,000 operations min. (3 A at 250
VAC, resistive load) *4		 500,000 operations min. (3 A at 250
VAC, resistive load) *4
Ambient operating temperature -10 to +80°C (with no icing) *5
Ambient operating humidity 35 to 95%RH
Degree of protection *6 IP67 (EN60947-5-1)
Weight Approx. 250 g (for WLCL-TH-N) Approx. 250 g (for WLCL-TH-N)

Note: The above figures are initial values.
*1. The values are calculated at an operating temperature of +5°C to +35°C, and an operating humidity of 40% to 70%RH.
      Contact your OMRON sales representative for more detailed information on other operating environments.
*2. Except Switches with Flexible Rod Actuators.
*3. 500,000 operations min. for Weather-resistant models.
*4. In case of models without operation indicators.
*5. For low-temperature models this is -40°C to +40°C (with no icing). For heat-resistant models the range is +5°C to
     120°C.
*6. The degree of protection is tested using the method specified by the standard (EN60947-5-1). Confirm that sealing
     properties are sufficient for the operating conditions and environment beforehand.

Operating characteristics type Basic models (WL-N) High-sensitivity and
High-precision models (WLG)
Wiring Specifications Screw terminals/
Direct-wire cable models		 Screw terminals/
Direct-wire cable models
Dielectric
strength		 Between terminals of the same polarity 1,000 VAC, 50/60 Hz for 1 min * 600 VAC, 50/60 Hz for 1 min *
Between current-carrying metal part
and ground		 2,200 VAC, 50/60 Hz for 1 min 1,500 VAC, 50/60 Hz for 1 min
Between each terminal and non-
current-carrying metal part		 2,200 VAC, 50/60 Hz for 1 min 1,500 VAC, 50/60 Hz for 1 min

* Except models with operation indicators.

Spatter-prevention Switches

Ratings

Screw terminals

With Operation Indicator

Basic models (WL-N)

Ratings Non-inductive load (A) Inductive load (A)
Basic models (WL-N) Basic models (WL-N)
Resistive load Lamp load Inductive load Motor load
Voltage (V) NC NO NC NO NC NO NC NO
AC 115 10 3 1.5 10 5 2.5
DC 12 10 6 3 10 6
24 6 4 3 6 4
48 3 2 1.5 3 0.2
115 0.8 0.2 0.8 0.1

High-sensitivity and High-precision models (WLG)

Ratings Non-inductive load (A)
High-sensitivity and High-precision models (WLG)
Resistive load
Voltage (V) NC NO
AC 115 5
DC 115 0.4

With Operation Indicators (Neon Lamps)

Basic models (WL-N)

Ratings Non-inductive load (A) Inductive load (A)
Basic models (WL-N) Basic models (WL-N)
Resistive load Lamp load Inductive load Motor load
Voltage (V) NC NO NC NO NC NO NC NO
AC 125 10 3 1.5 10 5 2.5
250 10 2 1 10 3 1.5

High-sensitivity and High-precision models (WLG)

Ratings Non-inductive load (A)
High-sensitivity and High-precision models (WLG)
Resistive load
Voltage (V) NC NO
AC 125 5
250 5

Note: 1. The above figures are for steady-state currents.
         2. Inductive loads have a power factor of 0.4 min. (AC) and a time constant of 7 ms max. (DC).
         3. A lamp load has an inrush current of 10 times the steady-state current.
         4. A motor load has an inrush current of 6 times the steady-state current.

Allowable Inrush Current/Minimum Applicable Load

Operating characteristics type Basic models (WL-N) High-sensitivity and
High-precision models (WLG)
Inrush current NC 30 A max. 15 A max.
NO 20 A max. 10 A max.
Minimum applicable load 5 VDC 1 mA, resistive load, P level 5 VDC 1 mA, resistive load, P level

Operation Indicator

Operation indicator type LED Neon lamp
Rated voltage 10 to 115 VAC/DC 125 to 250 VAC
Leakage current
(Reference value)		 Approx. 0.4 mA at 10 VAC/DC
Approx. 0.5 mA at 115 VAC/DC		 Approx. 0.6 mA at 125 VAC
Approx. 1.9 mA at 250 VAC

Pre-wired connectors

Connector DC Specifications: With Operation Indicators (LEDs)

Basic models (WL-N)

Ratings Non-inductive load (A) Inductive load (A)
Basic models (WL-N) Basic models (WL-N)
Resistive load Lamp load Inductive load Motor load
Voltage (V) NC NO NC NO NC NO NC NO
DC 12 3 3 3 3
24 3 3 3 3
48 4 2 1.5 3 2
115 0.8 0.2 0.2 0.8 0.2

High-sensitivity and High-precision models (WLG)

Ratings Non-inductive load (A)
High-sensitivity and High-precision models (WLG)
Resistive load
Voltage (V) NC NO
DC 115 0.4

Note: 1. The above figures are for steady-state currents.
         2. Inductive loads have a power factor of 0.4 min. (AC) and a time constant of 7 ms max. (DC).
         3. A lamp load has an inrush current of 10 times the steady-state current.
         4. A motor load has an inrush current of 6 times the steady-state current

Minimum Applicable Load

Operating characteristics type Basic models (WL-N) High-sensitivity and
High-precision models (WLG)
Minimum applicable load 5 VDC 1 mA, resistive load, P level 5 VDC 1 mA, resistive load, P level

Operation Indicator

Operation indicator type LED Neon lamp
Rated voltage 10 to 115 VAC/DC 125 to 250 VAC
Leakage current
(Reference value)		 Approx. 0.4 mA at 10 VAC/DC;
Approx. 0.5 mA at 115 VAC/DC		 Approx. 0.6 mA at 125 VAC;
Approx. 1.9 mA at 250 VAC

Characteristics

Operating characteristics type Basic models (WL-N) High-sensitivity and
High-precision models (WLG)
Permissible operating
frequency		 Mechanical 120 operations/minute
Electrical 30 operations/minute
Rated frequency 50/60 Hz
Permissible operating speed 1 mm/s to 1 m/s (for WLCA2-LDS-N)
Insulation resistance 100 MΩ min. (at 500 VDC)
Contact resistance 25 mΩ max. (initial value for the built-in switch)
Vibration resistance Malfunction 10 to 55 Hz, 1.5-mm double amplitude
Shock Destruction 1,000 m/s2 max.
Malfunction 300 m/s2 max.
Durability * Mechanical 15,000,000 operations min. 10,000,000 operations min.
Electrical 750,000 operations min. (3 A at 115
VAC, resistive load) *2		 500,000 operations min. (3 A at 115
VAC, resistive load) *2
Ambient operating temperature -10 to +80°C (with no icing)
Ambient operating humidity 35 to 95%RH
Degree of protection *3 IP67 (EN60947-5-1)
Weight Approx. 255 g (in case of WLCA2-
LDS-N)		 Approx. 270 g (in case of WLGCA2-
LDS)

Note: The above figures are initial values.
*1. The values are calculated at an operating temperature of +5°C to +35°C, and an operating humidity of 40% to 70%RH.
      Contact your OMRON sales representative for more detailed information on other operating environments.
*2. In case of models with operation indicators (LEDs).
*3. The degree of protection is tested using the method specified by the standard (EN60947-5-1). Confirm that sealing
      properties are sufficient for the operating conditions and environment beforehand.

Operating characteristics type Basic models (WL-N) High-sensitivity and
High-precision models (WLG)
Wiring Specifications Screw
terminals		 Direct-wire connector
and Pre-wired
Connector Models		 Screw
terminals		 Direct-wire connector
and Pre-wired
Connector Models
Dielectric
strength		 Between terminals
of the same polarity		 1,000 VAC,
50/60 Hz for
1 min *		 600 VAC,
50/60 Hz for 1 min *		 600 VAC,
50/60 Hz for
1 min *		 600 VAC,
50/60 Hz for 1 min *
Between current-
carrying metal part
and ground		 2,200 VAC,
50/60 Hz for
1 min		 1,500 VAC,
50/60 Hz for 1 min		 1,500 VAC,
50/60 Hz for
1 min		 1,500 VAC,
50/60 Hz for 1 min
Between each
terminal and non-
current carrying
metal part		 2,200 VAC,
50/60 Hz for
1 min		 1,500 VAC,
50/60 Hz for 1 min		 1,500 VAC,
50/60 Hz for
1 min		 1,500 VAC,
50/60 Hz for 1 min

* Excluding those with operation indicators.

Long-life Switches

Ratings

Screw terminals

With Operation Indicator

Basic models (WL-N)

Ratings Non-inductive load (A) Inductive load (A)
Basic models (WL-N) Basic models (WL-N)
Resistive load Lamp load Inductive load Motor load
Voltage (V) NC NO NC NO NC NO NC NO
AC 115 10 3 1.5 10 5 2.5
DC 12 10 6 3 10 6
24 6 4 3 6 4
48 3 2 1.5 3 0.2
115 0.8 0.2 0.8 0.1

High-sensitivity and High-precision models (WLG)

Ratings Non-inductive load (A)
High-sensitivity and High-precision models (WLG)
Resistive load
Voltage (V) NC NO
AC 115 5
DC 115 0.4

Note: 1. The above figures are for steady-state currents.
         2. Inductive loads have a power factor of 0.4 min. (AC) and a time constant of 7 ms max. (DC).
         3. A lamp load has an inrush current of 10 times the steady-state current.
         4. A motor load has an inrush current of 6 times the steady-state current.

Allowable Inrush Current/Minimum Applicable Load

Operating characteristics type Basic models (WL-N) High-sensitivity/
High-precision models (WLG)
Inrush current NC 30 A max. 15 A max.
NO 20 A max. 10 A max.
Minimum applicable load 5 VDC 1 mA, resistive load, P level 5 VDC 1 mA, resistive load, P level

Operation Indicator

Operation indicator type LED Neon lamp
Rated voltage 10 to 115 VAC/DC 125 to 250 VAC
Leakage current
(Reference value)		 Approx. 0.4 mA at 10 VAC/DC;
Approx. 0.5 mA at 115 VAC/DC		 Approx. 0.6 mA at 125 VAC;
Approx. 1.9 mA at 250 VAC

Direct-wire connector and Pre-wired Connector Models Type

DC Connector: With Operation Indicators (LEDs)

Basic models (WL-N)

Ratings Non-inductive load (A) Inductive load (A)
Basic models (WL-N) Basic models (WL-N)
Resistive load Lamp load Inductive load Motor load
Voltage (V) NC NO NC NO NC NO NC NO
DC 12 3 3 3 3
24 3 3 3 3
48 4 2 1.5 3 2
115 0.8 0.2 0.2 0.8 0.2

High-sensitivity and High-precision models (WLG)

Ratings Non-inductive load (A)
High-sensitivity and High-precision models (WLG)
Resistive load
Voltage (V) NC NO
DC 115 0.4

AC Connector: With Operation Indicators (LEDs)

Basic models (WL-N)

Ratings Non-inductive load (A) Inductive load (A)
Basic models (WL-N) Basic models (WL-N)
Resistive load Lamp load Inductive load Motor load
Voltage (V) NC NO NC NO NC NO NC NO
AC 115 3 3 1.5 3 3 2.5

High-sensitivity and High-precision models (WLG)

Ratings Non-inductive load (A)
High-sensitivity and High-precision models (WLG)
Resistive load
Voltage (V) NC NO
AC 115 3

Note: 1. The above figures are for steady-state currents.
         2. Inductive loads have a power factor of 0.4 min. (AC) and a time constant of 7 ms max. (DC).
         3. A lamp load has an inrush current of 10 times the steady-state current.
         4. A motor load has an inrush current of 6 times the steady-state current.

Minimum Applicable Load

Operating characteristics type Basic models (WL-N) High-sensitivity and
High-precision models (WLG)
Minimum applicable load 5 VDC 1 mA, resistive load, P level 5 VDC 1 mA, resistive load, P level

Operation Indicator

Operation indicator type LED
Rated voltage 10 to 115 VAC/DC
Leakage current
(Reference value)		 Approx. 0.4 mA at 10 VAC/DC;
Approx. 0.5 mA at 115 VAC/DC

Characteristics

Operating characteristics type Basic models (WL-N) High-sensitivity and
High-precision models (WLG)
Permissible operating
frequency		 Mechanical 120 operations/minute
Electrical 30 operations/minute
Rated frequency 50/60 Hz
Permissible operating speed 1 mm/sec to 1 m/sec
Insulation resistance 100 MΩ min. (at 500 VDC)
Contact resistance 25 mΩ max. (initial value for the built-in switch)
Vibration resistance Malfunction 10 to 55 Hz, 1.5-mm double amplitude
Shock Destruction 1,000 m/s2 max.
Malfunction 300 m/s2 max.
Durability *1 Mechanical 30,000,000 operations min.
Electrical 30,000,000 operations min. (10
mA at 24 VAC, resistive load)
750,000 operations min. (3 A at
115 VAC, resistive load)		 500,000 operations min. (3 A at
115 VAC, resistive load)
Ambient operating temperature -10 to +80°C (with no icing)
Ambient operating humidity 35 to 95%RH
Degree of protection *2 IP67 (EN60947-5-1)
Weight Approx. 255 g (in case of
WLMCA2-LD-N)		 Approx. 270 g (in case of
WLMGCA2-LD)

Note: The above figures are initial values.
*1. The values are calculated at an operating temperature of +5°C to +35°C, and an operating humidity of 40% to 70%RH.
      Contact your OMRON sales representative for more detailed information on other operating environments.
*2. The degree of protection is tested using the method specified by the standard (EN60947-5-1). Confirm that sealing
      properties are sufficient for the operating conditions and environment beforehand.

Operating characteristics type Basic models (WL-N) High-sensitivity and
High-precision models (WLG)
Wiring Specifications Screw
terminals		 Direct-wire connector
and Pre-wired
Connector Models		 Screw
terminals		 Direct-wire connector
and Pre-wired
Connector Models
Dielectric
strength		 Between terminals
of the same polarity		 1,000 VAC,
50/60 Hz for
1 min *		 600 VAC,
50/60 Hz for 1 min *		 600 VAC,
50/60 Hz for
1 min *		 600 VAC,
50/60 Hz for 1 min *
Between current-
carrying metal part
and ground		 2,200 VAC,
50/60 Hz for
1 min		 1,500 VAC,
50/60 Hz for 1 min		 1,500 VAC,
50/60 Hz for
1 min		 1,500 VAC,
50/60 Hz for 1 min
Between each
terminal and non-
current-carrying
metal part		 2,200 VAC,
50/60 Hz for
1 min		 1,500 VAC,
50/60 Hz for 1 min		 1,500 VAC,
50/60 Hz for
1 min		 1,500 VAC,
50/60 Hz for 1 min

* Excluding those with operation indicators.

last update: April 1, 2025

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