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)

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)

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
AC	250	5
DC	125	0.4
DC	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
AC	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
AC	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.
Inrush current	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

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
Permissible operating frequency	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/s²max.
Shock	Malfunction	300 m/s²max. *2
*Durability 1**	Mechanical	15,000,000 operations min.	10,000,000 operations min.
*Durability 1**	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)

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
AC	250	5
DC	125	0.4
DC	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
AC	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
AC	250	5

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.
Inrush current	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
Permissible operating frequency	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/s²max.
Shock	Malfunction	300m/s²max. *2
*Durability 1**	Mechanical	15,000,000 operations min.	10,000,000 operations min. *3
*Durability 1**	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
AC	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
AC	250	5

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.
Inrush current	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

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
Permissible operating frequency	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/s²max.
Shock	Malfunction	300 m/s²max.
Durability *	Mechanical	15,000,000 operations min.	10,000,000 operations min.
Durability *	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)

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

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.
Inrush current	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

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
Permissible operating frequency	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/s²max.
Shock	Malfunction	300 m/s²max.
Durability *	Mechanical	30,000,000 operations min.
Durability *	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	Approved Standards
No indicator	No Connector	Basic models	A600 1 A, 125 VDC
	No Connector	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
	Pre-wired Connector (DC) Direct-wired Connector (DC)	High-sensitivity and High-precision models	0.5 A, 125 VDC
Neon lamp	No Connector	Basic models	A300 10 A, 250 VAC
	No Connector	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
	No Connector	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
	Pre-wired Connector (DC) Direct-wired Connector (DC)	High-sensitivity and High-precision models	0.5 A, 115 VDC

A600 Authentication conditions

Rated voltage	Carrying current	Current (A)		Volt-ampere (VA)
Rated voltage	Carrying current	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)
Rated voltage	Carrying current	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)
Rated voltage	Carrying current	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)
Rated voltage	Carrying current	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)
Rated voltage	Carrying current	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)
Rated voltage	Carrying current	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)
Rated voltage	Carrying current	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)
Rated voltage	Carrying current	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		With Prewired DC connector model
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
Authentication conditions	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

WL-N / WLG Limit Switch Vertical type

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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

Select based on the operating environment

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)

Screw terminals

Without Operation Indicator

Basic models (WL-N)

High-sensitivity and High-precision models (WLG)

With Operation Indicator (LED)

Basic models (WL-N)

High-sensitivity and High-precision models (WLG)

With Operation Indicators (Neon Lamps)

Basic models (WL-N)

High-sensitivity and High-precision models (WLG)

Allowable Inrush Current/Minimum Applicable Load

Operation Indicator

Direct-wired connector and Pre-wired Connector Type

Connector DC Specifications: With Operation Indicators (LEDs)

Basic models (WL-N)

High-sensitivity and High-precision models (WLG)

Connector AC Specifications: With Operation Indicators (LEDs)

Basic models (WL-N)

High-sensitivity and High-precision models (WLG)

Minimum Applicable Load

Operation Indicator

Characteristics

Environment-resistant Limit Switches

Ratings

Screw terminals/Direct-wire cable

Without Operation Indicator

Basic models (WL-N)

High-sensitivity and High-precision models (WLG)

With Operation Indicator (LED)

Basic models (WL-N)

High-sensitivity and High-precision models (WLG)

With Operation Indicators (Neon Lamps)

Basic models (WL-N)

High-sensitivity and High-precision models (WLG)

Allowable Inrush Current/ Minimum applicable load

Operation Indicator

Characteristics

Spatter-prevention Switches

Ratings

Screw terminals

With Operation Indicator

Basic models (WL-N)

High-sensitivity and High-precision models (WLG)

With Operation Indicators (Neon Lamps)

Basic models (WL-N)

High-sensitivity and High-precision models (WLG)

Allowable Inrush Current/Minimum Applicable Load

Operation Indicator

Pre-wired connectors

Connector DC Specifications: With Operation Indicators (LEDs)

Basic models (WL-N)

High-sensitivity and High-precision models (WLG)

Minimum Applicable Load

Operation Indicator

Characteristics

Long-life Switches

Ratings

Screw terminals

With Operation Indicator

Basic models (WL-N)

High-sensitivity and High-precision models (WLG)

Allowable Inrush Current/Minimum Applicable Load

Operation Indicator

Direct-wire connector and Pre-wired Connector Models Type

DC Connector: With Operation Indicators (LEDs)

Basic models (WL-N)

High-sensitivity and High-precision models (WLG)

AC Connector: With Operation Indicators (LEDs)