Twocircuit Limit Switch
WLN / WLG
Twocircuit limit switches that can be selected to match the operating environment and application WLN/Basic models, WLG/Highsensitivity and Highprecision models
Generalpurpose Switches
Ratings
Screw terminals
Without Operation Indicator
Basic models (WLN)
Ratings 
Noninductive load (A) 
Inductive load (A) 

Basic models (WLN) 
Basic models (WLN) 

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 

Highsensitivity and Highprecision models (WLG)
Ratings 
Noninductive load (A) 

Highsensitivity and Highprecision 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 (WLN)
Ratings 
Noninductive load (A) 
Inductive load (A) 

Basic models (WLN) 
Basic models (WLN) 

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 

Highsensitivity and Highprecision models (WLG)
Ratings 
Noninductive load (A) 

Highsensitivity and Highprecision models (WLG) 

Resistive load 

Voltage (V) 
NC 
NO 

AC 
115 
5 

DC 
115 
0.4 
With Operation Indicators (Neon Lamps)
Basic models (WLN)
Ratings 
Noninductive load (A) 
Inductive load (A) 

Basic models (WLN) 
Basic models (WLN) 

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 

Highsensitivity and Highprecision models (WLG)
Ratings 
Noninductive load (A) 

Highsensitivity and Highprecision models (WLG) 

Resistive load 

Voltage (V) 
NC 
NO 

AC 
125 
5 

250 
5 
Note: 1. The above figures are for steadystate 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 steadystate current.
4. A motor load has an inrush current of 6 times the steadystate current.
Allowable Inrush Current/Minimum Applicable Load
Operating characteristics type 
Basic models (WLN) 
Highsensitivity and 

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 
Approx. 0.4 mA at 10 VAC/DC 
Approx. 0.6 mA at 125 VAC 
Directwired connector and Prewired Connector Type
Connector DC Specifications: With Operation Indicators (LEDs)
Basic models (WLN)
Ratings 
Noninductive load (A) 
Inductive load (A) 

Basic models (WLN) 
Basic models (WLN) 

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 

Highsensitivity and Highprecision models (WLG)
Ratings 
Noninductive load (A) 

Highsensitivity and Highprecision models (WLG) 

Resistive load 

Voltage (V) 
NC 
NO 

DC 
115 
0.4 

Connector AC Specifications: With Operation Indicators (LEDs)
Basic models (WLN)
Ratings 
Noninductive load (A) 
Inductive load (A) 

Basic models (WLN) 
Basic models (WLN) 

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 

Highsensitivity and Highprecision models (WLG)
Ratings 
Noninductive load (A) 

Highsensitivity and Highprecision models (WLG) 

Resistive load 

Voltage (V) 
NC 
NO 

AC 
115 
3 

Note: 1. The above figures are for steadystate 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 steadystate current.
4. A motor load has an inrush current of 6 times the steadystate current.
Minimum Applicable Load
Operating characteristics type 
Basic models (WLN) 
Highsensitivity and 
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 
Approx. 0.4 mA at 10 VAC/DC 
Approx. 0.6 mA at 125 VAC 
Characteristics
Operating characteristics type 
Basic models (WLN) 
Highsensitivity and 

Permissible operating 
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 WLCA2N) 

Insulation resistance 
100 MΩ min. (at 500 VDC) 

Contact resistance 
25 mΩ max. (initial value for the builtin switch) 

Vibration resistance 
Malfunction 
10 to 55 Hz, 1.5mm double amplitude 

Shock 
Destruction 
1,000 m/s^{2} max. 

Malfunction 
300 m/s^{2} 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 
500,000 operations min. (3 A at 250 

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 WLCA2N) 
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 (WLN) 
Highsensitivity and 

Wiring Specifications 
Screw 
Directwire connector/ 
Screw 
Directwire connector/ 

Dielectric 
Between terminals 
1,000 VAC, 
600 VAC, 
600 VAC, 
600 VAC, 
Between current 
2,200 VAC, 
1,500 VAC, 
1,500 VAC, 
1,500 VAC, 

Between each 
2,200 VAC, 
1,500 VAC, 
1,500 VAC, 
1,500 VAC, 
* Excluding those with operation indicators.
Environmentresistant Limit Switches
Ratings
Screw terminals/Directwire cable
Without Operation Indicator
Basic models (WLN)
Ratings 
Noninductive load (A) 
Inductive load (A) 

Basic models (WLN) 
Basic models (WLN) 

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 

Highsensitivity and Highprecision models (WLG)
Ratings 
Noninductive load (A) 

Highsensitivity and Highprecision 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 (WLN)
Ratings 
Noninductive load (A) 
Inductive load (A) 

Basic models (WLN) 
Basic models (WLN) 

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 

Highsensitivity and Highprecision models (WLG)
Ratings 
Noninductive load (A) 

Highsensitivity and Highprecision models (WLG) 

Resistive load 

Voltage (V) 
NC 
NO 

AC 
115 
5 

DC 
115 
0.4 
With Operation Indicators (Neon Lamps)
Basic models (WLN)
Ratings 
Noninductive load (A) 
Inductive load (A) 

Basic models (WLN) 
Basic models (WLN) 

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 

Highsensitivity and Highprecision models (WLG)
Ratings 
Noninductive load (A) 

Highsensitivity and Highprecision models (WLG) 

Resistive load 

Voltage (V) 
NC 
NO 

AC 
125 
5 

250 
5 
Note: 1. The above figures are for steadystate 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 steadystate current.
4. A motor load has an inrush current of 6 times the steadystate current.
Allowable Inrush Current/ Minimum applicable load
Operating characteristics type 
Basic models (WLN) 
Highsensitivity and 

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 
Approx. 0.4 mA at 10 VAC/DC 
Approx. 0.6 mA at 125 VAC 
Characteristics
Operating characteristics type 
Basic models (WLN) 
Highsensitivity and 

Permissible operating 
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 WLCA2N) 

Insulation resistance 
100 MΩ min. (at 500 VDC) 

Contact resistance 
25 mΩ or less (default value, builtin switch only) 

Vibration resistance 
Malfunction 
10 to 55 Hz, 1.5mm double amplitude *2 

Shock 
Destruction 
1,000 m/s^{2} max. 

Malfunction 
300m/s^{2} 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 
500,000 operations min. (3 A at 250 

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 WLCLTHN) 
Approx. 250 g (for WLCLTHN) 
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 Weatherresistant models.
4. In case of models without operation indicators.
5. For lowtemperature models this is 40°C to +40°C (with no icing). For heatresistant models the range is +5°C to 120°C.
Operating characteristics type 
Basic models (WLN) 
Highsensitivity and 

Wiring Specifications 
Screw terminals/ 
Screw terminals/ 

Dielectric 
Between terminals of the same polarity 
1,000 VAC, 50/60 Hz for 1 min * 
600 VAC, 50/60 Hz for 1 min * 
Between currentcarrying metal part 
2,200 VAC, 50/60 Hz for 1 min 
1,500 VAC, 50/60 Hz for 1 min 

Between each terminal and non 
2,200 VAC, 50/60 Hz for 1 min 
1,500 VAC, 50/60 Hz for 1 min 
* Except models with operation indicators.
Spatterprevention Switches
Ratings
Screw terminals
With Operation Indicator
Basic models (WLN)
Ratings 
Noninductive load (A) 
Inductive load (A) 

Basic models (WLN) 
Basic models (WLN) 

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 

Highsensitivity and Highprecision models (WLG)
Ratings 
Noninductive load (A) 

Highsensitivity and Highprecision models (WLG) 

Resistive load 

Voltage (V) 
NC 
NO 

AC 
115 
5 

DC 
115 
0.4 
With Operation Indicators (Neon Lamps)
Basic models (WLN)
Ratings 
Noninductive load (A) 
Inductive load (A) 

Basic models (WLN) 
Basic models (WLN) 

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 

Highsensitivity and Highprecision models (WLG)
Ratings 
Noninductive load (A) 

Highsensitivity and Highprecision models (WLG) 

Resistive load 

Voltage (V) 
NC 
NO 

AC 
125 
5 

250 
5 
Note: 1. The above figures are for steadystate 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 steadystate current.
4. A motor load has an inrush current of 6 times the steadystate current.
Allowable Inrush Current/Minimum Applicable Load
Operating characteristics type 
Basic models (WLN) 
Highsensitivity and 

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 
Approx. 0.4 mA at 10 VAC/DC 
Approx. 0.6 mA at 125 VAC 
Prewired connectors
Connector DC Specifications: With Operation Indicators (LEDs)
Basic models (WLN)
Ratings 
Noninductive load (A) 
Inductive load (A) 

Basic models (WLN) 
Basic models (WLN) 

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 

Highsensitivity and Highprecision models (WLG)
Ratings 
Noninductive load (A) 

Highsensitivity and Highprecision models (WLG) 

Resistive load 

Voltage (V) 
NC 
NO 

DC 
115 
0.4 

Note: 1. The above figures are for steadystate 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 steadystate current.
4. A motor load has an inrush current of 6 times the steadystate current
Minimum Applicable Load
Operating characteristics type 
Basic models (WLN) 
Highsensitivity and 
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 
Approx. 0.4 mA at 10 VAC/DC; 
Approx. 0.6 mA at 125 VAC; 
Characteristics
Operating characteristics type 
Basic models (WLN) 
Highsensitivity and 

Permissible operating 
Mechanical 
120 operations/minute 

Electrical 
30 operations/minute 

Rated frequency 
50/60 Hz 

Permissible operating speed 
1 mm/s to 1 m/s (for WLCA2LDSN) 

Insulation resistance 
100 MΩ min. (at 500 VDC) 

Contact resistance 
25 mΩ max. (initial value for the builtin switch) 

Vibration resistance 
Malfunction 
10 to 55 Hz, 1.5mm double amplitude 

Shock 
Destruction 
1,000 m/s^{2} max. 

Malfunction 
300 m/s^{2} max. 

Durability * 
Mechanical 
15,000,000 operations min. 
10,000,000 operations min. 
Electrical 
750,000 operations min. (3 A at 115 
500,000 operations min. (3 A at 115 

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 
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. In case of models with operation indicators (LEDs).
Operating characteristics type 
Basic models (WLN) 
Highsensitivity and 

Wiring Specifications 
Screw 
Directwire connector 
Screw 
Directwire connector 

Dielectric 
Between terminals 
1,000 VAC, 
600 VAC, 
600 VAC, 
600 VAC, 
Between current 
2,200 VAC, 
1,500 VAC, 
1,500 VAC, 
1,500 VAC, 

Between each 
2,200 VAC, 
1,500 VAC, 
1,500 VAC, 
1,500 VAC, 
* Excluding those with operation indicators.
Longlife Switches
Ratings
Screw terminals
With Operation Indicator
Basic models (WLN)
Ratings 
Noninductive load (A) 
Inductive load (A) 

Basic models (WLN) 
Basic models (WLN) 

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 

Highsensitivity and Highprecision models (WLG)
Ratings 
Noninductive load (A) 

Highsensitivity and Highprecision models (WLG) 

Resistive load 

Voltage (V) 
NC 
NO 

AC 
115 
5 

DC 
115 
0.4 
Note: 1. The above figures are for steadystate 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 steadystate current.
4. A motor load has an inrush current of 6 times the steadystate current.
Allowable Inrush Current/Minimum Applicable Load
Operating characteristics type 
Basic models (WLN) 
Highsensitivity/ 

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 
Approx. 0.4 mA at 10 VAC/DC; 
Approx. 0.6 mA at 125 VAC; 
Directwire connector and Prewired Connector Models Type
DC Connector: With Operation Indicators (LEDs)
Basic models (WLN)
Ratings 
Noninductive load (A) 
Inductive load (A) 

Basic models (WLN) 
Basic models (WLN) 

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 

Highsensitivity and Highprecision models (WLG)
Ratings 
Noninductive load (A) 

Highsensitivity and Highprecision models (WLG) 

Resistive load 

Voltage (V) 
NC 
NO 

DC 
115 
0.4 

AC Connector: With Operation Indicators (LEDs)
Basic models (WLN)
Ratings 
Noninductive load (A) 
Inductive load (A) 

Basic models (WLN) 
Basic models (WLN) 

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 

Highsensitivity and Highprecision models (WLG)
Ratings 
Noninductive load (A) 

Highsensitivity and Highprecision models (WLG) 

Resistive load 

Voltage (V) 
NC 
NO 

AC 
115 
3 

Note: 1. The above figures are for steadystate 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 steadystate current.
4. A motor load has an inrush current of 6 times the steadystate current.
Minimum Applicable Load
Operating characteristics type 
Basic models (WLN) 
Highsensitivity and 
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 
Approx. 0.4 mA at 10 VAC/DC; 
Characteristics
Operating characteristics type 
Basic models (WLN) 
Highsensitivity and 

Permissible operating 
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 builtin switch) 

Vibration resistance 
Malfunction 
10 to 55 Hz, 1.5mm double amplitude 

Shock 
Destruction 
1,000 m/s^{2} max. 

Malfunction 
300 m/s^{2} max. 

Durability * 
Mechanical 
30,000,000 operations min. 

Electrical 
30,000,000 operations min. (10 
500,000 operations min. (3 A at 

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 
Approx. 270 g (in case of 
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 (WLN) 
Highsensitivity and 

Wiring Specifications 
Screw 
Directwire connector 
Screw 
Directwire connector 

Dielectric 
Between terminals 
1,000 VAC, 
600 VAC, 
600 VAC, 
600 VAC, 
Between current 
2,200 VAC, 
1,500 VAC, 
1,500 VAC, 
1,500 VAC, 

Between each 
2,200 VAC, 
1,500 VAC, 
1,500 VAC, 
1,500 VAC, 
* Excluding those with operation indicators.
Common Specifications
Generalpurpose/Environmentresistant/Spatterprevention/Longlife Switches
Approved Standards
Agency 
Standard 
File No. 
Approved models 
UL 
UL508 
Contact your OMRON representative 
Contact your OMRON representative 
CSA cUL 
CSA C22.2 No.14 

TÜV Rheinland 
EN6094751 

CCC (CQC) 
GB/T14048.5 
Approved Standard Ratings
UL/cUL, CSA (UL508, CSA C22.2 No.14)
Specifications 
Approved 

Operation 
Sensor I/O connectors 
Item 

No indicator 
No Connector 
Basic models 
A600 
Highsensitivity and Highprecision models 
B600 

Prewired Connector (AC) 
Basic, Highsensitivity or Highprecision models 
C300 

Prewired Connector (DC) 
Basic models 
1 A, 125 VDC 

Highsensitivity and Highprecision models 
0.5 A, 

Neon lamp 
No Connector 
Basic models 
A300 
Highsensitivity and Highprecision models 
B300 

Prewired Connector (AC) 
Basic, Highsensitivity or Highprecision models 
C300 

LED 
No Connector 
Basic models 
A150 
Highsensitivity and Highprecision models 
B150 

Prewired Connector (AC) 
Basic, Highsensitivity or Highprecision models 
C150 

Prewired Connector (DC) 
Basic models 
1 A, 115 VDC 

Highsensitivity and Highprecision models 
0.5 A, 115 VDC 
A600 Authentication conditions
Rated voltage 
Carrying current 
Current (A) 
Voltampere (VA) 

Make 
Break 
Make 
Break 

120 VAC 
10 A 
60 
6 
7,200 
720 
C300 Authentication conditions
Rated voltage 
Carrying current 
Current (A) 
Voltampere (VA) 

Make 
Break 
Make 
Break 

120 VAC 
2.5 A 
15 
1.5 
1,800 
180 
A300 Authentication conditions
Rated voltage 
Carrying current 
Current (A) 
Voltampere (VA) 

Make 
Break 
Make 
Break 

120 VAC 
10 A 
60 
6 
7,200 
720 
A150 Authentication conditions
Rated voltage 
Carrying current 
Current (A) 
Voltampere (VA) 

Make 
Break 
Make 
Break 

120 VAC 
10 A 
60 
6 
7,200 
720 
C150 Authentication conditions
Rated voltage 
Carrying current 
Current (A) 
Voltampere (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) 
Voltampere (VA) 

Make 
Break 
Make 
Break 

120 VAC 
5 A 
30 
3 
3,600 
360 
B300 Authentication conditions
Rated voltage 
Carrying current 
Current (A) 
Voltampere (VA) 

Make 
Break 
Make 
Break 

120 VAC 
5 A 
30 
3 
3,600 
360 
B150 Authentication conditions
Rated voltage 
Carrying current 
Current (A) 
Voltampere (VA) 

Make 
Break 
Make 
Break 

120 VAC 
5 A 
30 
3 
3,600 
360 
TÜV (EN 6094751)
Authentication conditions 
Specification 

Directwire cable type 
With Prewired 

No indicator 
Neon lamp 
LED 

Working load category 
AC15 
DC12 
AC15 
AC15 
DC12 
DC12 
Rated working voltage (Ue) 
250 V 
48 V 
250 V 
115 V 
48 V 
48 V 
Rated working current (Ie) 
2 A 

Conditional shortcircuit current 
100 A 

Shortcircuit 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 
Neon 
LED 
With Prewired 
With Prewired 

Working load category 
AC15 
DC13 
AC15 
AC15 
DC13 
DC13 
AC15 
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 shortcircuit current 
1000 A 

Shortcircuit protective device (SCPD) 
10 A, fuse type gG 

Rated insulation voltage (Ui) 
250 V 