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

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