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WLCA12-2-QD Limit Switch

Double-circuit type of limit switch, is widely used;

With strong aluminum cast outer shell, High mechanical strength;

Structure preventing oil, water and pressure;

Indicating plate with setting position is installed in it, so it is easy to maintain;

Various of actuators is taken convenience for using;

Built-in contact stand has double-spring, so it has long mechanical life;

Selective M20x1.5 cable gland.

Contact Form:

WLCA2-2 TZ-5104 IP66 Limit Switch

Product List

Technical Parameters

WLCA12-2-QD Limit Switch

Ratings

Rated voltageNoninductive Load (A)Inductive Load (A)
Resistance LoadLamp LoadInductive Load (A)Motor Load
NCNONCNONCNONCNO
125VAC1031.51052
250VAC521531
480VAC31.50.831.50.8
600VAC110.51.510.5
8VDC1063106
14VDC1063106
30VDC64364
125VDC0.80.20.20.80.2
250VDC0.40.10.10.40.1
Surge currentNC30A(under)
NO20A(under)


NOTES:

1. Inductive load has a power factor of 0.4 min.(AC) and a time constant of 7 msec.max.(DC).

2. Lamp load has an inrush current of 10 times the steady-state current,while motor load has an inrush current of 6 times the steady-state current.

3. Product with spring, its usable range of operating part is within one third of the whole spring length from the front end of spring.


 Characteristics

Operation speed1mm-2m/s(WLCA2)
Operating frquencyMechanical: 120 operations/minute  Electical: 30 operations/minute
Contact resistance15mΩ max. (initial value)
Insulation resistance100mΩ min. (at 500VDC)
Dielectric strength50/60 Hz for 1 minute between terminals of the same polarity
50/60 Hz for 1 minute between current-carrying and non- current-carrying metal parts
1500VAC, 50/60 Hz for 1 minute between each terminal and ground
Vibration10-55Hz, 1.5mm double amplitude
ShockMechanical durable: 1, 000m/Sec2 (about 100G'S)
Malfunction: 300m/Sec2 (about 30G'S)
Ambient tempera- ture-10~+80℃ (With no icing)
Humidity<95% RH
WeightAbout 275g(WLCA2-2) 
Degree of protectionspecification: IP66


Operating Characteristics

Operating CharacteristicsModelWLCA2-2WL CA12-2-QWL CA12-2-QDWLCLWLDWLD1 D2WLD3WL NJ,NJ30,NJ-2,NJ-S2WL
CA32-41,CA32-42,
CA32-43,CA32-44
Operating forceOF (Max)8.83N8.83N8.83N2.55N26.67N26.67N26.67N1.47NReverse force (Max)11.77N
Release forceRF (Min)0.49N0.49N0.49N0.1N8.92N8.92N8.92NReverse Pre-travel50°±5°
Pre-travelPT  (Max)25°±5°25°±5°25°±5°25°±5°1.7mm1.7mm1.7mm40±20mmPre-travel (Min)55°
Over-travelOT  (Min)60°60°60°60°6.4mm5.6mm4mmOver-travel (Max)35°
Movement differentialMD (Max)16°16°16°16°1mm1mm1mm