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WLCA2

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

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Standard Load Type , Roller Lever (R38)

about this Product Family

Ratings
Shape / Structure General-purpose Limit switches
Service life General type
Operating mechanism Snap action
Actuator Roller lever (17.5 dia. * 7, Sintered stainless steel roller, 38 R)
Frequency 50/60 Hz
Switching mechanism Self-reset mechanism
Contact configuration 2-circuit double break type
Contact form SPST-NO / SPST-NC
Load General load
Ratings (AC): Non-Inductive load Rated voltage: 125 VAC, Resistive load: 10 A (NC) 10 A (NO), Lamp load: 3 A (NC) 1.5 A (NO)
Rated voltage: 250 VAC, Resistive load: 10 A (NC) 10 A (NO), Lamp load: 2 A (NC) 1 A (NO)
Rated voltage: 500 VAC, Resistive load: 10 A (NC) 10 A (NO), Lamp load: 1.5 A (NC) 0.8 A (NO)
Ratings (AC): Inductive load Rated voltage: 125 VAC, Inductive load: 10A (NC) 10A (NO), Motor load: 5A (NC) 2.5A (NO)
Rated voltage: 250 VAC, Inductive load: 10A (NC) 10A (NO), Motor load: 3A (NC) 1.5A (NO)
Rated voltage: 500 VAC, Inductive load: 3A (NC) 3A (NO), Motor load: 1.5A (NC) 0.8A (NO)
Ratings (DC): Non-Inductive load Rated voltage: 8 VDC, Resistive load: A (NC) 10 A (NO), Lamp load: 6 A (NC) 3 A (NO)
Rated voltage: 14 VDC, Resistive load: A (NC) 10 A (NO), Lamp load: 6 A (NC) 3 A (NO)
Rated voltage: 30 VDC, Resistive load: A (NC) 6 A (NO), Lamp load: 4 A (NC) 3 A (NO)
Rated voltage: 125 VDC, Resistive load: A (NC) 0.8 A (NO), Lamp load: 0.2 A (NC) 0.2 A (NO)
Rated voltage: 250 VDC, Resistive load: A (NC) 0.4 A (NO), Lamp load: 0.1 A (NC) 0.1 A (NO)
Ratings (DC): Inductive load Rated voltage: 8 VDC, Inductive load: 10 A (NC) 10 A (NO), Motor load : 6 A (NC) 6 A (NO)
Rated voltage: 14 VDC, Inductive load: 10 A (NC) 10 A (NO), Motor load : 6 A (NC) 6 A (NO)
Rated voltage: 30 VDC, Inductive load: 6 A (NC) 6 A (NO), Motor load : 4 A (NC) 4 A (NO)
Rated voltage: 125 VDC, Inductive load: 0.8 A (NC) 0.8 A (NO), Motor load : 0.2 A (NC) 0.2 A (NO)
Rated voltage: 250 VDC, Inductive load: 0.4 A (NC) 0.4 A (NO), Motor load : 0.1 A (NC) 0.1 A (NO)
Explanation The above values indicate the steady-state current. Lamp load has an inrush current of 10 times the steady-state current. Inductive load has a power factor of 0.4 Min. (AC) and a time constant of 7 ms Max. (DC). Motor load has an inrush current of 6 times the steady-state current.
Inrush current NC: 30 A
NO: 20 A
Conduit size G1/2
Earth terminal Without ground terminal
Ambient temperature Operating: -10 to 80 ℃
Ambient humidity Operating: 35 to 95 % RH
Characteristics
Permissible operating speed 1 mm/s to 1 m/s
Permissible operating speed (Mechanically) 120 operations / 1 minute Max.
Permissible operating speed (Electrically) 30 operations / 1 minute Max.
Contact resistance 25 mOhm Max. (Initial value)
(Measuring method is contact resistance meter.)
Insulation resistance Between each terminal of the same polarities: 100 MOhm Min.
Between live-metallic part and ground: 100 MOhm Min.
Between each terminal and non-live-metallic part: 100 MOhm Min.
(at 500 VDC Megger)
Dielectric strength Between each terminal of the same polarities: 1,000 VAC
Between live-metallic part and ground: 2,200 VAC
Betweeneachterminalandnon-live-metallicpart: 2,200 VAC
Durability (Mechanically) 15,000,000 operations Min. (No load)
(Temperature, Humidity conditions: 5 CEL to 35 CEL, 40 %RH to 70 %RH)
Durability (Electrically) 750,000 operations Min. (Resistive load 10 A at 125 VAC)
(Temperature, Humidity conditions: 5 CEL to 35 CEL, 40 %RH to 70 %RH)
Vibration resistance (Malfunction) Vibration frequency range: 10 to 55 Hz, Double amplitude: 1.5 mm, Contact opening: 1 ms Max. at the free position and the total travel position.
Shock resistance (Destruction) 1,000 m/s2
Shock resistance (Malfunction) Contact opening is 1 ms Max. at the free position and the total travel position at 300 m/s2.
Degree of protection IEC60529 (JEM): IP67
NEMA250: Type3, 4, 13
Applicable standard (UL) Standard No.: UL508
File number: E76675
Applicable standard (CSA) Standard No.: C22.2 NO.14
File number: LR45746
Applicable standard (CCC (CQC) ) Standard No.: GB14048.5
File number: 2004010305128675
Mounting specification Front mounting, Back mounting
Operating characteristics
Operating Force (OF) Standard value 13.34 N Max.
Release Force (RF) Standard value 2.23 N Min.
Pre-Travel (PT) Standard value 15 +/- 5 DEG
Over-Travel (OT) Standard value 30 DEG Min.
Movement Differential (MD) Standard value 12 DEG Max.

Caution:
All units are in millimeters unless otherwise indicated.