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:
Product List
Technical Parameters
Ratings
| Rated voltage | Noninductive Load (A) | Inductive Load (A) | ||||||
| Resistance Load | Lamp Load | Inductive Load (A) | Motor Load | |||||
| NC | NO | NC | NO | NC | NO | NC | NO | |
| 125VAC | 10 | 3 | 1.5 | 10 | 5 | 2 | ||
| 250VAC | 5 | 2 | 1 | 5 | 3 | 1 | ||
| 480VAC | 3 | 1.5 | 0.8 | 3 | 1.5 | 0.8 | ||
| 600VAC | 1 | 1 | 0.5 | 1.5 | 1 | 0.5 | ||
| 8VDC | 10 | 6 | 3 | 10 | 6 | |||
| 14VDC | 10 | 6 | 3 | 10 | 6 | |||
| 30VDC | 6 | 4 | 3 | 6 | 4 | |||
| 125VDC | 0.8 | 0.2 | 0.2 | 0.8 | 0.2 | |||
| 250VDC | 0.4 | 0.1 | 0.1 | 0.4 | 0.1 | |||
| Surge current | NC | 30A(under) | ||||||
| NO | 20A(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 speed | 1mm-2m/s(WLCA2) |
| Operating frquency | Mechanical: 120 operations/minute Electical: 30 operations/minute |
| Contact resistance | 15mΩ max. (initial value) |
| Insulation resistance | 100mΩ Min |
| Dielectric strength | 50/60 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 | |
| Vibration | 10-55Hz, 1.5mm double amplitude |
| Shock | Mechanical durable: 1, 000m/Sec2 (about 100G'S) Malfunction: 300m/Sec2 (about 30G'S) |
| Ambient tempera- ture | -10~+80℃ (With no icing) |
| Humidity | <95% RH |
| Weight | About 275g(WLCA2-2) |
| Degree of protection | specification: IP66 |
Operating Characteristics
| Operating Characteristics | Model | WLCA2-2 | WL CA12-2-Q | WL CA12-2-QD | WLCL | WLD | WLD1 D2 | WLD3 | WL NJ,NJ30,NJ-2,NJ-S2 | WL CA32-41，CA32-42， CA32-43，CA32-44 | |
| Operating force | OF (Max) | 8.83N | 8.83N | 8.83N | 2.55N | 26.67N | 26.67N | 26.67N | 1.47N | Reverse force （Max） | 11.77N |
| Release force | RF (Min) | 0.49N | 0.49N | 0.49N | 0.1N | 8.92N | 8.92N | 8.92N | 一 | Reverse Pre-travel | 50°±5° |
| Pre-travel | PT (Max) | 25°±5° | 25°±5° | 25°±5° | 25°±5° | 1.7mm | 1.7mm | 1.7mm | 40±20mm | Pre-travel (Min) | 55° |
| Over-travel | OT (Min) | 60° | 60° | 60° | 60° | 6.4mm | 5.6mm | 4mm | 一 | Over-travel (Max) | 35° |
| Movement differential | MD (Max) | 16° | 16° | 16° | 16° | 1mm | 1mm | 1mm | 一 | ||
