Omron D4N-9B31 Limit Switch
Omron D4N-9B31 Limit Switch uses a plunger actuator with a 2NC contact form and slow-action operation. Its connection specification is 1-conduit, M12 connector. The listed operating speed is 1 to 500 mm/s and operation frequency is 30 operations/minute max. Electrical characteristics include 25 mΩ max. contact resistance, 300 V rated insulation voltage, 50/60 Hz frequency, and 100 MΩ min. insulation resistance. IP67 protection is specified together with an operating temperature range of -30 to 70°C with no icing and 95% max. humidity. Malfunction vibration is 10 to 55 Hz at 0.75 mm single amplitude. The D4N-9B31 belongs to the D4N Series within the Omron Limit Switch range from Omron.
| Brand | Omron |
| Product | Limit Switch |
| Model Number | D4N-9B31 |
Omron D4N-9B31 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 | Plunger |
| Vibration Resistance | Malfunction 10 to 55 Hz, 0.75 mm single amplitude |
| Operating Mechanism | Slow-action |
| Conduit Size Conduit Openings | 1-conduit,M12 connector |
| 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-9B31 Limit Switch uses a plunger actuator with a 2NC contact form and slow-action operation. Its connection specification is 1-conduit, M12 connector. Operating speed is listed as 1 to 500 mm/s and operation frequency is 30 operations/minute max. Electrical specifications include 25 mΩ max. contact resistance, 300 V rated insulation voltage, 50/60 Hz frequency, and 100 MΩ min. insulation resistance. These values identify the D4N-9B31 through its plunger actuator, 2NC contact arrangement, slow-action mechanism, M12 connector specification, operating speed, operation frequency, contact resistance, insulation voltage, and insulation resistance. The M12 designation is part of the connection specification, while 2NC and slow-action are separate contact and operation characteristics of the model.
The D4N-9B31 is rated IP67 and is specified for operation from -30 to 70°C with no icing and humidity of 95% max. Malfunction vibration is 10 to 55 Hz at 0.75 mm single amplitude. Shock values are 1,000 m/s² min. for destruction and 300 m/s² min. for malfunction. In the same uploaded D4N group, the D4N-112G instead uses an adjustable roller lever with metal lever and resin roller, 1NC/1NO contacts, snap-action operation, and a 1-conduit connection. Both rows list the same operating-speed range and operation-frequency maximum. See the D4N-112G.
