Omron WLNJ-55-N Limit Switch
Omron WLNJ-55-N uses a 6.5 mm diameter coil spring actuator with screw terminals and a G½ conduit connection. Pretravel is listed at 20±10 mm, while this version is specified without an operation indicator. IP67 protection, 100 MΩ minimum insulation resistance at 500 VDC, and 25 mΩ maximum initial contact resistance are provided. The operating range extends from -10 to 80°C with 35 to 95% relative humidity. The WLNJ-55-N belongs to the WL Series within the coil spring actuator switch range from Omron limit switch products. Its 6.5 mm spring and no-indicator configuration are key selection details.
| 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 Limit Switch uses a 6.5 mm diameter coil spring actuator together with screw terminals and a G½ conduit entry. Its pretravel value is listed at 20±10 mm, and the model is specified without an operation indicator. IP67 protection is provided, while insulation resistance is 100 MΩ minimum at 500 VDC and initial contact resistance is 25 mΩ maximum. The operating temperature range is -10 to 80°C, with relative humidity from 35 to 95%. Operation frequency is listed at 50/60 Hz.
Malfunction vibration resistance extends from 10 to 55 Hz at 1.5 mm double amplitude. Destructive shock resistance is specified at 1,000 m/s² minimum and malfunction shock resistance at 300 m/s² minimum. No specific electrical load value is supplied for this row, so the description stays focused on the actuator, connection, pretravel, and environmental specifications. For a related coil-spring model using a smaller 4.8 mm spring and LED operation indicator, see the WLNJ-30LD-N.
