General-purpose Switches
A type with operation indicators for easily confirming operation is available
Indicates the operation status of the switches using LEDs and neon lamps.
Selectable based on wiring specifications
Environment-resistant Limit Switches
Ambient operating temperature of 5°C to 120°C: Heat-resistant type (WL[]-TH-N/WL[]-TH)
Ambient operating temperature of -40°C to 40°C: Cold-resistant type (WL[]-TC-N/WL[]-TC)
Select based on the operating environment
Outdoor use: Weather-resistant type (WL[]-P1-N/WL[]-P1)
Chemicals and oils: Corrosion-resistant type (WL[]-RP-N/WL[]-RP)
Coolant drops and mist: Coolant-resistant type (WL[]-RP60-N/WL-RP60)
Mist
Molded terminal 139 type (WL[]-139-N/WL[]-139)
The SC connector can be removed, so it is possible to use flexible conduit for the cable.
(WL[]-RP40-N/WL-RP40)
Constant water drops and mist Molded terminal 140 type (WL[]-140-N/WL[]-140)
Constant water drops or splattering cutting powder
Molded terminal 141 type (WL[]-141-N/WL[]-141)
Molded terminal 145 type (WL[]-145-N/WL[]-145)
Chemicals and oils: Corrosion-resistant type (WL[]-RP-N/WL[]-RP)
Coolant drops and mist: Coolant-resistant type (WL[]-RP60-N/WL-RP60)
Mist
Molded terminal 139 type (WL[]-139-N/WL[]-139)
The SC connector can be removed, so it is possible to use flexible conduit for the cable.
(WL[]-RP40-N/WL-RP40)
Constant water drops and mist Molded terminal 140 type (WL[]-140-N/WL[]-140)
Constant water drops or splattering cutting powder
Molded terminal 141 type (WL[]-141-N/WL[]-141)
Molded terminal 145 type (WL[]-145-N/WL[]-145)
Spatter-prevention Switches
Structure designed for use in spattering environments from welding (Typical model: WLCA2-LDS-N)
Long-life Switches
Mechanical structure featuring mechanical durability of more than 30 million operations (WLMCA2-N)
Specification
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) | |||
| 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 |
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) | |||
| 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) | |||
| 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 | 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. | 10,000,000 operations min. |
| 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.
| 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 | ||||||
Order Code
