Omron D4F-320-1R Limit Switch
Omron D4F-320-1R is the horizontal version of the D4F-320 roller lever configuration, using a metal lever, resin roller, 2NC/2NO contacts, and a 1 m cable. Slow-action operation supports movement from 1 mm/s to 0.5 m/s. IP67 protection, 100 MΩ minimum insulation resistance, and a minimum 2 × 2 mm contact gap are specified. The D4F-320-1R belongs to the D4F Series within the horizontal roller lever limit switch range from Omron limit switch products. Its horizontal actuator orientation separates it from D4F-320-1D.
| Brand | Omron |
| Product | Limit Switch |
| Model Number | D4F-320-1R |
Omron D4F-320-1R Limit Switch – Technical Specifications
| Specification | Value |
|---|---|
| Contact Form | 2NC/2NO |
| Shock Resistance | Destruction 1,000 m/s2 min. Malfunction 300 m/s2 min. |
| Degree Of Protection | IP67 |
| Insulation Resistance | 100 MΩ min. |
| Cable Length | 1 m |
| Pull Outing Direction Of Cable | Horizontal |
| Contact Gap | 2 × 2 mm min. |
| Actuator | Roller lever (Metal lever, resin roller) |
| Vibration Resistance | Malfunction 10 to 55 Hz, 0.75 mm single amplitude |
| Operating Mechanism | Slow-action |
| Operating Speed | 1 mm/s to 0.5 m/s |
| Operating Frequency | Mechanical 120 operations/minute; Electrical 30 operations/minute |
| Contact Resistance | 300 mΩ max. (with 1 m cable), 500 mΩ max. (with 3 m cable), 700 mΩ max. (with 5 m cable) |
| Rated Insulation Voltage Ui | 250 V |
| Rated Frequency | 50/60 Hz |
| Ambient Operating Temperature | −30 to 70°C (with no icing) |
| Ambient Operating Humidity | 95% max |
The Omron D4F-320-1R Limit Switch is a horizontal roller-lever configuration using a metal lever, resin roller, and 2NC/2NO slow-action contacts. It includes a 1 m cable and operates across a mechanical speed range from 1 mm/s to 0.5 m/s. Switching frequency reaches 120 operations per minute mechanically and 30 operations per minute electrically. The source specifies IP67 protection, 100 MΩ minimum insulation resistance, and a minimum 2 × 2 mm contact gap.
Maximum contact resistance with the 1 m cable is 300 mΩ. Environmental limits include -30 to 70°C operating temperature and up to 95% relative humidity. The malfunction vibration specification is 10 to 55 Hz at 0.75 mm single amplitude, while shock resistance is at least 1,000 m/s² for destruction and 300 m/s² for malfunction. Since actuator type, contact configuration, and cable length match the 1D model, horizontal orientation is the defining difference. For the vertical equivalent, see the D4F-320-1D model.
