WLCA12-2-Q Sealed 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:
Technical Parameters
WLCA12-2-Q is our star product, with stainless steel roller& ruler, aluminium alloy shell. Hot for Sale
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 |