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Two-circuit Limit Switch WL

WL
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Standard Models

Many Variations in Standard Limit Switches
A Wide Range of Models

The WL Series provides a complete range of Limit Switches with a long history of meeting user needs. Select environment-resistant specifications, actuators for essentially any workpiece, operating sensitivity matched to the workpiece, operation indicators to aid operation and maintenance, and various wiring specifications.

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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) GB/T14048.5 Contact your OMRON
representative for details.

 

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 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 (GB/T14048.5)

 

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)

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