Omron WLD28-N Limit Switch
The Omron WLD28-N Limit Switch offers Sealed top-roller plunger actuator, Screw terminals
(Conduit size: GΒ½) 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 | WLD28-N |
Omron WLD28-N Limit Switch β Technical Specifications
| Specification | Value |
|---|---|
| Terminal Shape | Screw terminals (Conduit size: GΒ½) |
| Pretravel Pt | 1.7 mm max. |
| Indicator | Without operation indicator |
| Ambient Temperature | -10 to +80Β°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 MΞ© min. (at 500 VDC) |
| Actuator | Sealed top-roller plunger |
| Vibration Resistance | Malfunction: 10 to 55 Hz, 1.5-mm double amplitude |
| Contact Resistance | 25 mΞ© max. (initial value for the built-in switch) |
| Rated Frequency | 50/60 Hz |
The Omron WLD28-N is a compact and reliable two-circuit limit switch featuring a sealed top-roller plunger actuator. Designed for accurate mechanical detection in industrial environments, it supports mounting with screw terminals and a GΒ½ conduit interface. The unit allows a pretravel of 1.7 mm max and operates effectively in a temperature range of β10Β°C to 80Β°C and humidity up to 95% RH without condensation.
This switch operates without an indicator and is rated for 50/60 Hz frequency environments. It offers strong insulation performance with 100 MΞ© minimum resistance and contact resistance of 25 mΞ© max. It withstands vibration from 10 to 55 Hz (1.5 mm amplitude) and shock up to 1,000 m/sΒ² (destruction rating). Suitable for mechanical actuation in positioning, safety, or process control systems, the WLD28-N combines long-term reliability with an industrial-grade sealed body featuring IP67 protection.
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