Omron WL-N Manual page 8

Environment-resistant limit switches
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WL-N/WLG
Characteristics
Operating characteristics type
Mechanical
Permissible operating
frequency
Electrical
Rated frequency
Permissible operating speed
Insulation resistance
Contact resistance
Vibration resistance
Malfunction
Destruction
Shock
Malfunction
Mechanical
Durability *1
Electrical
Ambient operating temperature
Ambient operating humidity
Degree of protection
Weight
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
Wiring Specifications
Between terminals of the same
polarity
Dielectric
Between currentcarrying metal
strength
part and ground
Between each terminal and
non-current-carrying metal part
* Except models with operation indicators.
Circuit Configuration/Terminal Connection Diagram
Operating characteristics type
Wiring Specifications
Without operation indicator
Operation indicator
(Light-ON when Not Operating *)
Note: Leakage current from indicator circuit may cause load malfunction (i.e., the load may remain ON). Make sure that the load operating current
is higher than the leakage current.
For countermeasures, refer to technical support on your OMRON website.
* Light-ON when not operating means the operation indicator is lit when the actuator is free and is not lit when the actuator rotates or is pushed
down, and the Switch contacts contact to NO.
The above shows details of the switch interior. External wires (external resistances) are not shown. For details, refer to Operation on page 18.
40
Basic models (WL-N)
120 operations/minute
30 operations/minute
50/60 Hz
1 mm/s to 1 m/s (in case of WLCA2-N)
100 MΩ min. (at 500 VDC)
25 mΩ or less (default value, built-in switch only)
10 to 55 Hz, 1.5-mm double amplitude *2
1,000 m/s
max.
2
300m/s
max. *2
2
15,000,000 operations min.
750,000 operations min. (3 A at 250 VAC, resistive load) *4
-10 to +80°C (with no icing) *5
35 to 95%RH
IP67
Approx. 250 g (for WLCL-TH-N)
Basic models (WL-N)
Screw terminals/Direct-wire cable models
1,000 VAC, 50/60 Hz for 1 min *
2,200 VAC, 50/60 Hz for 1 min
2,200 VAC, 50/60 Hz for 1 min
Basic models (WL-N)/High-sensitivity and high-precision models (WLG)
Screw terminals
Za
14(NO)
13(NO)
11(NC)
12(NC)
Internal
circuits
Za
14(NO)
11(NC)
High-sensitivity and High-precision models (WLG)
10,000,000 operations min. *3
500,000 operations min. (3 A at 250 VAC, resistive load) *4
Approx. 250 g (for WLCL-TH-N)
High-sensitivity and High-precision models (WLG)
Screw terminals/Direct-wire cable models
600 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
13(NO)
12(NC)
Direct-wire cable
Za
NO
NC
NC
NO
4 core
White Black
Red Blue
Internal
circuits
Za
NO
NC
NC
NO
4 core
White Black
Red Blue

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