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WL-N / WLM-N

Two-circuit Limit Switch / Long-life Two-circuit Limit Switch

WL-N / WLM-N

Select the Best Two-circuit Switch for the Operating Environment and Application from a Wide Range of Models

General-purpose/ Environment-resistant Switches

Ratings

Screw Terminals

Item Rated voltage
(V)
Non-inductive load (A) Inductive load (A)
Resistive load Lamp load Inductive load Motor load
NC NO NC NO NC NO NC NO
Basic AC 125
250
500
10
10
10
3
2
1.5
1.5
1
0.8
10
10
3
5
3
1.5
2.5
1.5
0.8
DC 8
14
30
125
250
10
10
6
0.8
0.4
6
6
4
0.2
0.1
3
3
3
0.2
0.1
10
10
6
0.8
0.4
6
6
4
0.2
0.1
High-sensitivity
High-precision
*1
AC 125
250
5
5
---- ---- ----
DC 125
250
0.4
0.2
---- ---- ----

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.
           5. For PC loads, use the microload models.

Inrush current NC 30 A max.(15 A max. *2)
NO 20 A max.(10 A max. *2)

*1. Manufacturing of the high-sensitivity, high-precision models has been discontinued and the models have been integrated into the WL Series. This information is provided as reference for comparison of specifications. Refer to the model replacement table on Catalog and order WL-series high-sensitivity or high-precision models.
*2. For high-sensitivity and high-precision switches.

Minimum applicable load 5 VDC 1 mA, resistive load, P level

Operation indicator Switches

Model Item Max. rated voltage Leakage current (mA)
WL-LE-N Neon lamp 125 AC Approx. 0.6
250 AC Approx. 1.9
WL-LD-N
WL-LW-N
LED 10 to 24 VAC/DC Approx. 0.4
115 VAC/DC Approx. 0.5

Direct-wired Connector and Pre-wired Connector Switches

Item Rated voltage
(V)
Non-inductive load (A) Inductive load (A)
Resistive load Lamp load Inductive load Motor load
NC NO NC NO NC NO NC NO
Basic AC 115 3 3 1.5 3 3 2.5
DC 12
DC 24
DC 115
3
3
0.8
3
3
0.2
3
3
0.8
3
3
0.2
High-sensitivity
High-precision *
AC 115 3 ---- ---- ----
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.
* Manufacturing of the high-sensitivity, high-precision models has been discontinued and the models have been integrated into the WL Series. This information is provided as reference for comparison of specifications. Refer to the model replacement table on Catalog and order WL-series high-sensitivity or high-precision models.

Inrush current NC 3 A max.
NO 3 A max.

Minimum applicable load 5 VDC 1 mA, resistive load, P level

Characteristics

Degree of protection IP67
Durability *1 Mechanical 15,000,000 operations min. *2
Electrical 750,000 operations min. *3
Operating speed 1 mm/s to 1 m/s (in case of WLCA2-N)
Operating
frequency
Mechanical 120 operations/minute min.
Electrical 30 operations/minute min.
Rated frequency 50/60 Hz
Insulation resistance 100 MΩ min. (at 500 VDC)
Contact resistance 25 mΩ max. (initial value for the built-in switch when tested alone)
Dielectric
strength
Between terminals of the same polarity 1,000 VAC (600 VAC), 50/60 Hz for 1 min
Between currentcarrying metal part and ground 2,200 VAC (1,500 VAC), 50/60 Hz for 1 min *4
Between each terminal and non-currentcarrying metal part 2,200 VAC (1,500 VAC), 50/60 Hz for 1 min *4
Vibration
resistance
Malfunction 10 to 55 Hz, 1.5-mm double amplitude *5
Shock
resistance
Destruction 1,000 m/s2 max.
Malfunction 300 m/s2 *5
Ambient operating temperature -10 to +80°C (with no icing) *6
Ambient operating humidity 35% to 95% RH
Weight Approx. 255 g (in case of WLCA2-N)

Note: 1. The above figures are initial values.
           2. The figures in parentheses for dielectric strength are those for the high-sensitivity and high-precision switches models.
*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. High-sensitivity Switches and Switches with Flexible Rod Actuators: 10 million operations min.
       500,000 operations min. for weather-proof models.
*3. Durability is 500,000 operations min. for high-sensitivity and high-precision models.
       500,000 operations min. for weather-proof models.
       Contact your OMRON representative for information on Environment-resistant model and Hermetic models.
*4. Switches with Connectors: 1,500 V.
*5. Except Switches with Flexible Rod Actuators.
*6. For low-temperature models this is -40°C to +40°C (with no icing). For heatresistant models the range is +5°C to
       +120°C.

Spatter-prevention Switches

Ratings

Screw Terminals

Item Rated voltage (V) Non-inductive load (A) Inductive load (A)
Resistive load Lamp load Inductive load Motor load
NC NO NC NO NC NO NC NO
WL[]-LES-N * AC 125
250
10
10
3
2
1.5
1
10
10
5
3
2.5
1.5
WL[]-LDS-N * AC 115 10 3 1.5 10 5 2.5
DC 12
24
115
10
6
0.8
6
4
0.2
3
3
0.2
10
6
0.8
6
4
0.2

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.
* Manufacturing of the high-sensitivity, high-precision models has been discontinued and the models have been integrated into the WL Series. This information is provided as reference for comparison of specifications. Refer to the model replacement table on Catalog and order WL-series high-sensitivity or high-precision models.

Inrush current NC 30 A max.(15 A max. *)
NO 20 A max.(10 A max. *)

* For high-sensitivity and high-precision switches.

Minimum applicable load 5 VDC 1 mA, resistive load, P level

Operation indicator Switches

Model Item Max. rated voltage Leakage current (mA)
WL-LES-N Neon lamp 125 AC Approx. 0.6
250 AC Approx. 1.9
WL-LDS-N LED 10 to 24 VAC/DC Approx. 0.4
115 VAC/DC Approx. 0.5

Direct-wired Connector and Pre-wired Connector Switches

Item Rated voltage
(V)
Non-inductive load (A) Inductive load (A)
Resistive load Lamp load Inductive load Motor load
NC NO NC NO NC NO NC NO
Basic AC 115 3 3 1.5 3 3 2.5
DC 12
DC 24
DC 115
3
3
0.8
3
3
0.2
3
3
0.8
3
3
0.2
High-sensitivity
High-precision *
AC 115 3 ---- ---- ----
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.
* Manufacturing of the high-sensitivity, high-precision models has been discontinued and the models have been integrated into the WL Series. This information is provided as reference for comparison of specifications. Refer to the model replacement table on Catalog and order WL-series high-sensitivity or high-precision models.

Inrush current NC 3 A max.
NO 3 A max.

Minimum applicable load 5 VDC 1 mA, resistive load, P level

Characteristics

Degree of protection IP67
Durability *1 Mechanical 15,000,000 operations min. *2
Electrical 750,000 operations min. (3 A at 250 VAC, resistive load) *3
Operating speed 1 mm/s to 1 m/s (in case of WLCA2-LDS-N)
Operating
frequency
Mechanical 120 operations/minute min.
Electrical 30 operations/minute min.
Rated frequency 50/60 Hz
Insulation resistance 100 MΩ min. (at 500 VDC)
Contact resistance 25 mΩ max. (initial value for the built-in switch when tested alone)
Dielectric
strength
Between terminals of the same polarity 1,000 VAC (600 VAC), 50/60 Hz for 1 min
Between currentcarrying metal part and ground 2,200 VAC (1,500 VAC), 50/60 Hz for 1 min *4
Between each terminal and non-currentcarrying metal part 2,200 VAC (1,500 VAC), 50/60 Hz for 1 min *4
Vibration
resistance
Malfunction 10 to 55 Hz, 1.5-mm double amplitude
Shock
resistance
Destruction 1,000 m/s2 max.
Malfunction 300 m/s2
Ambient operating temperature -10 to +80°C (with no icing)
Ambient operating humidity 35% to 95% RH
Weight Approx. 255 g (in case of WLCA2-LDS-N)

Note: 1. The above figures are initial values.
           2. The figures in parentheses for dielectric strength are those for the high-sensitivity and high-precision overtravel models.
*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. Durability is 10,000,000 operations min. for high-sensitivity models.
Manufacturing of the high-sensitivity models has been discontinued and the models have been integrated into the WL Series. This information is provided as reference for comparison of specifications. Refer to the model replacement table on Catalog and order WL-series high-sensitivity models.
*3. Durability is 500,000 operations min. for high-sensitivity and high-precision models.
500,000 operations min. for weather-proof models.
Manufacturing of the high-sensitivity, high-precision models has been discontinued and the models have been integrated into the WL Series. This information is provided as reference for comparison of specifications. Refer to the model replacement table on Catalog and order WL-series high-sensitivity or high-precision models.
Contact your OMRON representative for information on Airtight Switches
*4. Switches with Connectors: 1,500 V.

Long-life Switches

Ratings

Screw Terminal Switches

Item Rated
voltage
(V)
Non-inductive load (A) Inductive load (A)
Resistive load Lamp load Inductive load Motor load
NC NO NC NO NC NO NC NO
Basic AC 115 10 3 1.5 10 5 2.5
DC 12
DC 24
DC 115
10
6
0.8
6
4
0.2
3
3
0.2
10
6
0.8
6
4
0.2
High-sensitivity
High-precision *
AC 115 5
DC 115 0.4

Inrush current NC 30 A max. (15 A max. *)
NO 20 A max. (10 A max. *)

* Manufacturing of the high-sensitivity, high-precision models has been discontinued and the models have been integrated into the WL Series. This information is provided as reference for comparison of specifications. Refer to the model replacement table on Catalog and order WL-series high-sensitivity or high-precision

Minimum applicable load 5 VDC 1 mA, resistive load, P level

Operation indicator Switches

Model Item Max. rated voltage Leakage current (mA)
WL-LD-N
WL-LW-N
LED 10 to 24 VAC/DC Approx. 0.4
115 VAC/DC Approx. 0.5

Direct-wired Connector and Pre-wired Connector Switches

Item Rated voltage
(V)
Non-inductive load (A) Inductive load (A)
Resistive load Lamp load Inductive load Motor load
NC NO NC NO NC NO NC NO
Basic AC 115 3 3 1.5 3 3 2.5
DC 12
DC 24
DC 115
3
3
0.8
3
3
0.2
3
3
0.8
3
3
0.2
High-sensitivity
High-precision *
AC 115 3 ---- ---- ----
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.
* Manufacturing of the high-sensitivity, high-precision models has been discontinued and the models have been integrated into the WL Series. This information is provided as reference for comparison of specifications. Refer to the model replacement table on Catalog and order WL-series high-sensitivity or high-precision models.

Inrush current NC 3 A max.
NO 3 A max.

Minimum applicable load 5 VDC 1 mA, resistive load, P level

Characteristics

Degree of protection IP67
Durability *1 Mechanical 30,000,000 operations min.
Electrical 30,000,000 operations min. (10 mA at 24 VDC, resistive load)
750,000 operations min. (3 A at 115 VAC, resistive load)
High-sensitivity and High-precision Switches:
500,000 operations min. *2 (3 A at 115 VAC, resistive load)
Operating speed 1 mm/s to 1 m/s (for WLMCA2-LD-N)
Operating
frequency
Mechanical 120 operations/minute
Electrical 30 operations/minute
Rated frequency 50/60 Hz
Insulation resistance 100 MΩ min. (at 500 VDC)
Contact resistance 25 mΩ max.
(initial value for the built-in switch when tested alone)
Dielectric
strength (50/
60 Hz for 1
min)
Between terminals of
the same polarity
1,000 VAC (600 VAC), 50/60 Hz for 1 min
Between currentcarrying
metal part and ground
2,200 VAC (1,500 VAC), 50/60 Hz for 1 min *3
Between each terminal
and non-currentcarrying
metal part
2,200 VAC (1,500 VAC), 50/60 Hz for 1 min *3
Vibration
resistance
Malfunction 10 to 55 Hz, 1.5-mm double amplitude
Shock
resistance
Destruction 1,000 m/s2 max.
Malfunction 300 m/s2 max.
Ambient operating temperature -10°C to +80°C (with no icing)
Ambient operating humidity 35% to 95%RH
Weight Approx. 255 g (for WLMCA2-LD-N)

Note: 1. The above figures are initial values.
           2. The figures in parentheses for dielectric strength are for the High-sensitivity and High-precision Switches.
*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. Manufacturing of the high-sensitivity, high-precision models has been discontinued and the models have been integrated into the WL Series. This information is provided as reference for
comparison of specifications. Refer to the model replacement table on Catalog and order WL-series high-sensitivity or high-precision models.
*3. Switches with Connectors: 1,500 V.

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

Approved Standards

Agency Standard File No. Approved models
UL UL508 Contact your OMRON representative for information Contact your OMRON representative for information
CSA C22.2 No.14
TÜV Rheinland EN60947-5-1
CCC (CQC) GB14048.5

Approved Standard Ratings

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

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

* Manufacturing of the high-sensitivity, high-precision models has been discontinued and the models have been integrated into the WL Series. This information is provided as reference for comparison of specifications. Refer to the model replacement table on Catalog and order WL-series high-sensitivity or high-precision models.

A600 Authentication conditions

Rated voltage Energizing 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

B600 Authentication conditions

Rated voltage Energizing 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

C300 Authentication conditions

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

B300 Authentication conditions

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

A150 Authentication conditions

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

B150 Authentication conditions

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

C150 Authentication conditions

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

TÜV (EN 60947-5-1)

(Certification Only for Switches with Ground Terminals and DC Switches with Connectors)

Authentication conditions Specification
With ground terminals With DC Connector
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 (GB14048.5)

Authentication conditions Specification
No indicator Neon lamp LED With DC Connector With AC Connector
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