Omron D4N-4262 Limit Switch
Omron D4N-4262 uses a horizontal one-way roller arm lever with 2NC snap-action contacts. The one-way actuator provides a directional switching format, while an M20 single-conduit entry is used for connection. Mechanical operating speed ranges from 1 to 500 mm/s and switching frequency is specified at 30 operations per minute maximum. IP67 protection, 25 mΩ maximum contact resistance, and a 300 V rated insulation voltage are listed. The D4N-4262 belongs to the D4N Series within the one-way roller arm limit switch range from Omron control products. Its horizontal one-way operation is the defining feature.

| Brand | Omron |
| Product | Limit Switch |
| Model Number | D4N-4262 |
Omron D4N-4262 Limit Switch – Technical Specifications
| Specification | Value |
|---|---|
| Contact Form | 2NC |
| Shock Resistance | Destruction 1,000 m/s2 min. Malfunction 300 m/s2 min. |
| Degree Of Protection | IP67 |
| Insulation Resistance | 100 MΩ min. |
| Actuator | One-way roller arm lever (horizontal) |
| Vibration Resistance | Malfunction 10 to 55 Hz, 0.75 mm single amplitude |
| Operating Mechanism | Snap-action |
| Conduit Size Conduit Openings | 1-conduit,M20 |
| Operating Speed | 1 to 500 mm/s |
| Operating Frequency | 30 operations/minute max. |
| Contact Resistance | 25 mΩ max. |
| Rated Insulation Voltage Ui | 300 V |
| Rated Frequency | 50/60 Hz |
| Ambient Operating Temperature | −30 to 70°C (with no icing) |
| Ambient Operating Humidity | 95% max |
| Weight | Approx. 82 g (D4N-1120), Approx. 99 g (D4N-6120) |
The Omron D4N-4262 Limit Switch uses a horizontal one-way roller arm lever with 2NC snap-action contacts. The one-way operating format provides a specific directional actuator response, while an M20 single-conduit entry is used for wiring. Target speed may range from 1 to 500 mm/s, and the source specifies a maximum frequency of 30 operations per minute. IP67 protection, 25 mΩ maximum contact resistance, 100 MΩ minimum insulation resistance, and a rated insulation voltage of 300 V at 50/60 Hz are listed. Operating temperature ranges from -30 to 70°C.
Relative humidity is specified at 95% maximum. Malfunction vibration resistance extends from 10 to 55 Hz at 0.75 mm single amplitude, while destructive shock resistance is at least 1,000 m/s² and malfunction shock resistance at least 300 m/s². The one-way horizontal actuator is the clearest mechanical feature when distinguishing the D4N-4262 from conventional lever or plunger models. Contact form provides the second major distinction because this version uses two normally closed paths. For a related one-way roller arm model with 1NC/1NO contacts and G1/2 conduit, see the D4N-2162 model.


