Omron D4N-2125 Safety Limit Switch
| Brand | Omron |
| Product Type | Safety Limit Switch |
| Model Number | D4N-2125 |
Omron D4N-2125 Safety Limit Switch - Technical Specifications
| Specification | Value |
|---|---|
| Actuator | Roller lever (metal lever, metal roller) |
| Conduit size/ Conduit openings | 1-conduit,G1/2 |
| Contact form | 1NC/1NO |
| Operating mechanism | Snap-action |
| Degree of protection | IP67 |
| 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 |
| Insulation resistance | 100 MΩ min. |
| Vibration resistance | Malfunction 10 to 55 Hz, 0.75 mm single amplitude |
| Shock resistance | Destruction 1,000 m/s2 min. Malfunction 300 m/s2 min. |
| 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 D4N-2125is built with a snap-action mechanism and 1NC/1NO contact configuration, delivers rapid switching and consistent feedback. It supports operating speeds from 1 to 500 mm/s and up to 30 operations per minute. The 1-conduit G1/2 design allows easy integration, and its IP67 protection rating ensures resistance to dust and water intrusion during continuous industrial use.
Engineered for durability, this Omron limit switch maintains reliable operation across a wide temperature range from −30°C to 70°C and up to 95% humidity. It withstands vibration levels of 10–55 Hz and shock forces up to 1,000 m/s². Electrically, it features a contact resistance of 25 mΩ max., 300 V rated insulation voltage, and 100 MΩ insulation resistance. Weighing just 99 g, the D4N-2125 is compact, rugged, and trusted by industrial automation professionals.
