Omron D4NS-9AF Safety Door Switch
Omron D4NS-9AF is a 1-conduit safety door switch with an M12 connector for protective-door and machine guard monitoring. Its slow-action 1NC/1NO contact configuration provides normally closed and normally open switching functions for guard status within the machine safety circuit. A Type 2 low-level coded interlock supports mechanical guard-position detection, while IP67 protection suits industrial machine installations. The direct opening mechanism provides 60 N minimum force for standard types and 80 N minimum for high pull-force types, with 10 mm minimum travel. The D4NS-9AF belongs to the D4NS series within the industrial safety door switch range from Omron industrial safety products, with connector-based wiring for protective access monitoring.
| Brand | Omron |
| Product Type | Safety Door Switch |
| Model Number | D4NS-9AF |
Omron D4NS-9AF Safety Door Switch - Technical Specifications
| Specification | Value |
|---|---|
| Type | 1-Conduit type, with connector |
| Contact configuration | Slow-action, 1NC/1NO |
| Conduit outlet/Connector | M12 connector |
| Interlock type | Type 2 |
| Coding level | Low level coded |
| Degree of protection | IP67 |
| Operating speed | 0.05 to 0.5 m/s |
| Direct opening force | <Standard type> 60 N min.; <High pull-force type> 80 N min. |
| Direct opening travel | 10 mm min. |
| Contact resistance | 25 mΩ max. |
| Rated insulation voltage (Ui) | 300 V |
| Rated frequency | 50/60 Hz |
| Insulation resistance | 100 MΩ min. |
| Contact gap | 2 × 2 mm 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. 96 g |
The Omron D4NS-9AF Safety Door Switch combines a 1-conduit design with an M12 connector and slow-action 1NC/1NO contacts for protective machine guard monitoring. The normally closed and normally open contacts provide switching paths for guard status within the associated machine safety circuit. A Type 2 low-level coded interlock supports mechanical guard-position detection, while IP67 enclosure protection suits industrial machine installations where dust or moisture may be present.
The direct opening mechanism provides 60 N minimum force for standard types and 80 N minimum for high pull-force types, with 10 mm minimum travel. Operating speed ranges from 0.05 to 0.5 m/s. The M12 connector is the main installation attribute because it differentiates this model from D4NS variants using threaded conduit connections. Combined with the 1NC/1NO contact arrangement, direct opening mechanism and Type 2 interlock, it connects the D4NS-9AF with safety door switches, machine guards, protective access monitoring and industrial safety circuits. These relationships provide relevant product context without adding weight, vibration or other specifications that contribute little to model selection. The connector-based configuration can simplify the electrical connection where the machine design uses compatible wiring. For another D4NS model with slow-action 1NC/1NO contacts but a conventional 1-conduit arrangement, the D4NS-1AF provides a relevant related model.
