Omron WLNJ-55-N Limit Switch
The Omron WLNJ-55-N Limit Switch offers Coil spring (6.5 dia.) actuator, Screw terminals
(Conduit size: G½) shape, Without operation indicator. Manufactured by Omron under the Omron Limit Switch category, this model belongs to the WL Series.
| Brand | Omron |
| Product | Limit Switch |
| Model Number | WLNJ-55-N |
Omron WLNJ-55-N Limit Switch – Technical Specifications
| Specification | Value |
|---|---|
| Terminal Shape | Screw terminals (Conduit size: G½) |
| Pretravel Pt | 20±10 mm |
| Indicator | Without operation indicator |
| Ambient Temperature | -10 to +80°C (with no icing) |
| Ambient Humidity | 35 to 95%RH |
| Shock Resistance | Destruction: 1,000 m/s2 min. Malfunction: 300 m/s2 min. |
| Degree Of Protection | IP67 |
| Insulation Resistance | 100 MΩ min. (at 500 VDC) |
| Actuator | Coil spring (6.5 dia.) |
| Vibration Resistance | Malfunction: 10 to 55 Hz, 1.5-mm double amplitude |
| Contact Resistance | 25 mΩ max. (initial value for the built-in switch) |
| Rated Frequency | 50/60 Hz |
The Omron WLNJ-55-N is a two-circuit limit switch designed for applications requiring wide-range mechanical detection. It features a coil spring actuator (6.5 mm diameter) and a pretravel of 20±10 mm, making it ideal for setups with extended motion range or flexible target interaction. The switch is equipped with screw terminals and supports conduit size G½ for easy wiring and installation.
This model offers high mechanical reliability with excellent insulation resistance (100 MΩ at 500 VDC) and low contact resistance (25 mΩ max.). It operates effectively across temperatures from –10°C to +80°C and 35–95% relative humidity. The WLNJ-55-N is built to withstand vibration (10–55 Hz, 1.5 mm amplitude) and shock up to 1,000 m/s², ensuring performance stability in demanding environments.
Its enclosed housing resists dust and water ingress, making the WLNJ-55-N suitable for outdoor or washdown areas, thanks to its IP67 protection.
