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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: June 13, 2022

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)
Horizontal plunger models (WLSD[])
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. 10,000,000 operations min. *4
Electrical 750,000 operations min. (3 A at 250
VAC, resistive load), but for high-
precision models: *3		 500,000 operations min. (3 A at 250
VAC, resistive load), but for high-
precision models: *3
Ambient operating temperature -10 to +80°C (with no icing)
Ambient operating humidity 35 to 95%RH
Degree of protection IP67
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. In case of Screw terminals without operation indicators.
*4. 15,000,000 operations min. for horizontal plunger models.

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 IP67
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.

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 IP67
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).

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 * 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 IP67
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.
* 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.

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.

Common Specifications

General-purpose/Environment-resistant/Spatter-prevention/Long-life Switches

Approved Standards

Agency Standard File No. Approved models
UL UL508 Contact your OMRON representative
for information		 Contact your OMRON representative
for information
CSA cUL CSA C22.2 No.14
TÜV Rheinland EN60947-5-1
CCC (CQC) GB/T14048.5

Approved Standard Ratings

UL/cUL, CSA (UL508, CSA C22.2 No.14)

Specifications Approved
Standards
Operation
Indicator		 Sensor I/O connectors Item
No indicator No Connector Basic models A600
1 A, 125 VDC
High-sensitivity and High-precision models B600
0.5 A,125 VDC
Pre-wired Connector (AC) Basic, High-sensitivity or High-precision models C300
3 A, 250 VAC
Pre-wired Connector (DC)
Direct-wired Connector (DC)		 Basic models 1 A, 125 VDC
High-sensitivity and High-precision models 0.5 A,
125 VDC
Neon lamp No Connector Basic models A300
10 A, 250 VAC
High-sensitivity and High-precision models B300
0.5 A, 250 VAC
Pre-wired Connector (AC) Basic, High-sensitivity or High-precision models C300
3 A, 250 VAC
LED No Connector Basic models A150
10 A, 115 VAC
1 A, 115 VDC
High-sensitivity and High-precision models B150
5 A, 115 VAC
0.5 A, 115 VDC
Pre-wired Connector (AC) Basic, High-sensitivity or High-precision models C150
3 A, 115 VAC
Pre-wired Connector (DC)
Direct-wired Connector (DC)		 Basic models 1 A, 115 VDC
High-sensitivity and High-precision models 0.5 A, 115 VDC

A600 Authentication conditions

Rated voltage Carrying current Current (A) Volt-ampere (VA)
Make Break Make Break
120 VAC
240 VAC
480 VAC
600 VAC		 10 A 60
30
15
12		 6
3
1.5
1.2		 7,200 720

C300 Authentication conditions

Rated voltage Carrying current Current (A) Volt-ampere (VA)
Make Break Make Break
120 VAC
240 VAC		 2.5 A 15
7.5		 1.5
0.75		 1,800 180

A300 Authentication conditions

Rated voltage Carrying current Current (A) Volt-ampere (VA)
Make Break Make Break
120 VAC
240 VAC		 10 A 60
30		 6
3		 7,200 720

A150 Authentication conditions

Rated voltage Carrying current Current (A) Volt-ampere (VA)
Make Break Make Break
120 VAC 10 A 60 6 7,200 720

C150 Authentication conditions

Rated voltage Carrying current Current (A) Volt-ampere (VA)
Make Break Make Break
120 VAC 2.5 A 15 1.5 1,800 180

B600 Authentication conditions

Rated voltage Carrying current Current (A) Volt-ampere (VA)
Make Break Make Break
120 VAC
240 VAC
480 VAC
600 VAC		 5 A 30
15
7.5
6		 3
1.5
0.75
0.6		 3,600 360

B300 Authentication conditions

Rated voltage Carrying current Current (A) Volt-ampere (VA)
Make Break Make Break
120 VAC
240 VAC		 5 A 30
15		 3
1.5		 3,600 360

B150 Authentication conditions

Rated voltage Carrying current Current (A) Volt-ampere (VA)
Make Break Make Break
120 VAC 5 A 30 3 3,600 360

TÜV (EN 60947-5-1)

Authentication conditions Specification
Direct-wire cable type With Prewired
DC connector
model
No indicator Neon lamp LED
Working load category AC-15 DC-12 AC-15 AC-15 DC-12 DC-12
Rated working voltage (Ue) 250 V 48 V 250 V 115 V 48 V 48 V
Rated working current (Ie) 2 A
Conditional short-circuit current 100 A
Short-circuit protective device (SCPD) 10 A, fuse type gG
Rated insulation voltage (Ui) 250 V 48 V
Rated impulse dielectric strength (Uimp) 4 kV 800 V
Pollution degree 3
Electric shock protection class Class I Class III

CCC (GB/T14048.5)

Authentication conditions Specification
No
indicator		 Neon
lamp		 LED With Prewired
DC connector
model		 With Prewired
AC connector
model
Working load category AC-15 DC-13 AC-15 AC-15 DC-13 DC-13 AC-15
Rated working voltage (Ue) 250 V 48 V 250 V 250 V 48 V 48 V 250 V
Rated working current (Ie) 2 A
Conditional short-circuit current 1000 A
Short-circuit protective device (SCPD) 10 A, fuse type gG
Rated insulation voltage (Ui) 250 V

last update: June 13, 2022

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