Omron D4F-120-1D Limit Switch
Omron D4F-120-1D uses a metal lever with a resin roller, 1NC/1NO contacts, and slow-action switching. This version has a 1 m cable and vertical actuator orientation, while its operating-speed range extends from 1 mm/s to 0.5 m/s. IP67 protection, a minimum 2 × 2 mm contact gap, and 100 MΩ minimum insulation resistance are specified. The D4F-120-1D belongs to the D4F Series within the roller lever limit switch range from Omron switching products. Its vertical orientation distinguishes it from the horizontal 1R version.
| Brand | Omron |
| Product | Limit Switch |
| Model Number | D4F-120-1D |
Omron D4F-120-1D Limit Switch – Technical Specifications
| Specification | Value |
|---|---|
| Contact Form | 1NC/1NO |
| 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 | Vertical |
| 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-120-1D Limit Switch uses a metal lever with a resin roller and a slow-action 1NC/1NO contact arrangement. The actuator is vertically oriented and the switch is supplied with a 1 m cable. Its operating-speed range is 1 mm/s to 0.5 m/s, while the source allows up to 120 mechanical operations and 30 electrical operations per minute. A minimum 2 × 2 mm contact gap is specified. The model carries IP67 protection, 100 MΩ minimum insulation resistance, and an operating temperature range from -30 to 70°C.
Relative humidity is specified at 95% maximum. Malfunction vibration resistance covers 10 to 55 Hz at 0.75 mm single amplitude, while shock resistance is 1,000 m/s² minimum for destruction and 300 m/s² minimum for malfunction. The 1 m cable corresponds to a listed contact resistance of 300 mΩ maximum. Among the D4F-120 variants, this model is mainly defined by vertical orientation and short cable length. If the installation requires the same roller-lever construction and 1 m cable but horizontal actuator orientation, see the D4F-120-1R model.
