In sourcing discussions, D4NS-4AF-NPT is often placed next to Omron SMPS 24V 10A, Omron Sensors and Omron D4Ds K3 so procurement teams can align budgets and technical requirements effectively.
Omron D4NS-4AF-NPT Safety Door Switch
The Omron D4NS-4AF-NPT Safety Door Switch provides reliable machine-guard monitoring with a 1-Conduit type, 1/2-14NPT structure, Slow-action, 1NC/1NO contacts, and a Type 2 interlock featuring Low level coded coding for enhanced operator protection. Built to withstand harsh industrial environments, it offers a robust IP67 protection rating, supports 0.05 to 0.5 m/s operating speed, and ensures dependable performance with a 10 mm min. direct opening travel. With 25 mΞ© max. contact resistance, 300 V rated insulation voltage, 100 MΞ© min. insulation resistance, and a 2 Γ 2 mm min contact gap, it delivers safe and consistent operation. Manufactured by Omron and listed under Omron Safety Door Switch solutions, this model belongs to the D4NS Series.
| Brand | Omron |
| Product Type | Safety Door Switch |
| Model Number | D4NS-4AF-NPT |
Omron D4NS-4AF-NPT Safety Door Switch - Technical Specifications
| Specification | Value |
|---|---|
| Type | 1-Conduit type |
| Contact configuration | Slow-action, 1NC/1NO |
| Conduit outlet/Connector | 1/2-14NPT |
| 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 mΞ© max. |
| Rated insulation voltage (Ui) | 300 V |
| Rated frequency | 50/60 Hz |
| Insulation resistance | 100 MΞ© min. |
| Contact gap | 2 Γ 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 | β30 to 70Β°C (with no icing) |
| Ambient operating humidity | 95% max |
| Weight | Approx. 96 g |
D4NS-4AF-NPT is engineered to provide dependable access control for hazardous machine areas. It features 1NC/1NO slow-action contacts and a Type 2 interlock mechanism that delivers consistent mechanical safety. The 1/2-14NPT conduit outlet offers compatibility with North American conduit systems, making D4NS-4AF-NPT ideal for automation panels and control enclosures. With a direct opening force of 60 N in standard applications and 80 N for high pull-force setups, D4NS-4AF-NPT maintains safe disconnection under pressure.
D4NS-4AF-NPT is designed for tough environments. It operates reliably in temperatures from β30Β°C to 70Β°C and resists moisture and dust with its IP67-rated enclosure. The switch handles vibrations from 10 to 55 Hz and withstands shock loads up to 1,000 m/sΒ². Electrical reliability is supported by a 300 V insulation voltage and 100 MΞ© minimum insulation resistance. These features make D4NS-4AF-NPT a trusted choice for industrial interlocking systems.
Compact at just 96 g, D4NS-4AF-NPT is easy to install in confined spaces across machine panels, conveyor access points, and automated cell enclosures. Engineers rely on D4NS-4AF-NPT for its build quality, consistent safety, and ease of integration.
