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WL, WLM

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

WL, WLM

Wide Range of Two-circuit Switches; Select One for the Operating Environment/Application

Approved Standards

Agency Standard File No. Approved models
UL UL508 E76675 Contact your OMRON representative for information on
approved models.
CSA CSA C22.2 No.14 LR45746
TÜV Rheinland EN60947-5-1 J50022353,
J9950023, J9950959
CCC (CQC) GB14048.5 2004010305128675

General-purpose/Weather-proof Switches

Ratings

Standard-load 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 models,
overtravel models
125 VAC
250 VAC
500 VAC
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
8 VDC
14 VDC
30 VDC
125 VDC
250 VDC
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

Note: For details of The WL high-sensitivity, high-precision models, refer to Limit Switch WL-N/WL Datasheet (Cat. No. C151-E1).
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.
NO 20 A max.

Minimum applicable load 5 VDC 160 mA

Microload Switches (Refer to these ratings before using the product.)

Rated voltage (V) Rated current (A) - Resistive load
AC 125 0.1
DC 30

Operation in the following ranges will produce optimum performance.

Recommended load range 5 to 30 VDC
0.5 to 100 mA

WL, WLM Specifications 11

Recommended load range 5 VDC 1 mA

Approved Standard Ratings

UL/CSA

Standard-load Switches: A600, NEMA

Rated voltage Carry current Current (A) Volt-amperes (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

Microload Switches

0.1 A 125 VAC, 0.1 A 30 VDC

TÜV (EN60947-5-1) (Only models with ground terminals are approved.)

Model Application category and ratings Thermal current (Ithe) Indicator
WL[] AC-15: 2 A/250 V
DC-12: 2 A/48 V
10 A
WL01[] AC-14: 0.1 A/125V
DC-12: 0.1 A/48 V
0.5 A
WL[]-LE AC-15: 2 A/250 V 10 A Neon lamp
WL01[]-LE AC-14: 0.1 A/125 V 0.5 A Neon lamp
WL[]-LD AC-15: 2 A/115 V
DC-12: 2 A/48 V
10 A LED
WL01[]-LD AC-14: 0.1 A/115 V
DC-12: 0.1 A/48 V
0.5 A LED

Note: As an example, AC-15: 2 A/250 V means the following:

Application category AC-15
Rated operating current (Ie) 2A
Rated operating voltage (Ue) 250V

Indicator-equipped Switches

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

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)
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) *6
Dielectric
strength
Between terminals of the same
polarity
1,000 VAC, 50/60 Hz for 1 min
Between current-carrying metal
part and ground
2,200 VAC, 50/60 Hz for 1 min/Uimp 2.5 kV
Between each terminal and non-
current-carrying metal part
2,200 VAC, 50/60 Hz for 1 min/Uimp 2.5 kV
Rated insulation voltage (Ui) 250 V (EN60947-5-1)
Pollution degree (operating environment) 3 (EN60947-5-1)
Short-circuit protective device (SCPD) 10 A, fuse type gG or gI (IEC60269)
Conditional short-circuit current 100 A (EN60947-5-1)
Conventional enclosed thermal current (Ithe) 10 A, 0.5 A (EN60947-5-1)
Protection against electric shock Class I
Vibration
resistance
Malfunction 10 to 55 Hz, 1.5-mm double amplitude *4
Shock
resistance
Destruction 1,000 m/s2 max.
Malfunction 300 m/s2 max. *4
Ambient operating temperature -10°C to +80°C (with no icing) *5
Ambient operating humidity 35% to 95% RH
Weight Approx. 275 g (in case of WLCA2)

Note: 1. The above figures are initial values.
         2. The figures in parentheses for dielectric strength are those for the microload 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 general-purpose overtravel models, and for flexible rod models.
      500,000 operations min. for weather-proof models.
*3. Microload models are 1,000,000 operations min. 500,000 operations min. for weather-proof models.
*4. Except flexible rod models. The shock resistance (malfunction) for microload models is 200 m/s2 max.
*5. 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.
*6. For microload models, the contact resistance is 50 mΩ max. (initial value for built-in switch).

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 125 VAC
250 VAC
10
10
3
2
1.5
1
10
10
5
5
2.5
1.5
WL[]-LDS 115 VAC 10 3 1.5 10 5 2.5
12 VDC
24 VDC
48 VDC
10
6
3
6
4
2
3
3
1.5
10
6
3
6
4
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.

Inrush current NC 30 A max.
NO 20 A max.
Operating temperature -10°C to +80°C (with no icing)
Operating humidity 35% to 95%RH max.

Approved Standard Ratings

UL/CSA

LE Switches (Neon lamp): A300

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

LD Switches (LED)

Rated voltage Carry current
115 VAC 10 A
115 VDC 0.8 A

CCC (GB14048.5)

Model Application category and ratings
WL[] AC-15: 2 A/250 V
DC-12: 2 A/48 V
WL01[] AC-14: 0.1 A/125V
DC-12: 0.1 A/48 V
WL[]-LE AC-15: 2 A/250 V
WL01[]-LE AC-14: 0.1 A/125 V
WL[]-LD AC-15: 2 A/115 V
DC-12: 2 A/48 V
WL01[]-LD AC-14: 0.1 A/115 V
DC-12: 0.1 A/48 V

Note: As an example, AC-15: 2 A/250 V means the following:

Application category AC-15
Rated operating current (Ie) 2 A
Rated operating voltage (Ue) 250 V

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)
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, 50/60 Hz for 1 min
Between current-carrying
metal part and ground
2,200 VAC, 50/60 Hz for 1 min/Uimp 2.5 kV
Between each terminal and non-
current-carrying metal part
2,200 VAC, 50/60 Hz for 1 min/Uimp 2.5 kV
Rated insulation voltage (Ui) 250 V (EN60947-5-1)
Pollution degree (operating environment) 3 (EN60947-5-1)
Short-circuit protective device (SCPD) 10 A, fuse type gG or gI (IEC60269)
Conditional short-circuit current 100 A (EN60947-5-1)
Conventional enclosed thermal current (Ithe) 10 A, 0.5 A (EN60947-5-1)
Protection against electric shock Class I
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. 275 g (in case of WLCA2)

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. Durability is 10,000,000 operations min. for general-purpose overtravel models.
*3. Microload models are 1,000,000 operations min.

Long-life Switches

Ratings

General Ratings (Refer to these ratings before using the product.)

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 models,
overtravel models
115 AC 10 3 1.5 10 5 2.5
12 DC
24 DC
48 DC
115 DC
10
6
3
0.8
6
4
2
0.2
3
3
1.5
0.2
10
6
3
0.8
6
4
2
0.2

Inrush current NC 30 A max.
NO 20 A max.

Direct-wired Connector and Pre-wired Connector Switches

Model 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
DC 12 DC 3 3 3 3 3 3 3 3
24 DC 3 3 3 3 3 3 3 3
48 DC 3 3 3 3 3 3 3 3
115 DC 0.8 0.8 0.2 0.2 0.8 0.8 0.2 0.2
AC 115 AC 3 3 3 1.5 3 3 3 2.5

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.

Characteristics

Degree of protection IP67
Durability
*
Mechanical 30,000,000 operations min.
Electrical 30,000,000 operations min. (10 mA at 24 VDC, resistive load)
750,000 operations min. (10 A at 115 VAC, resistive load)
Operating speed 1 mm/s to 1 m/s (in case of WLCA2)
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 (except connector models)
Between current-carrying
metal part and ground
2,200 VAC (1,500 V)
Between each terminal
and non-current-
carrying metal part
2,200 VAC (1,500 V)
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. 275 g (in case of WLCA2)

Note: The figures in parentheses for dielectric strength, are those for connector models.
* 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.