In sourcing discussions, D4NS-4CF-NPT is often placed next to Omron Photoelectric Sensor, Omron Sensors and Omron D4Ds K3 so procurement teams can align budgets and technical requirements effectively.
Omron D4NS-4CF-NPT Safety Door Switch
The Omron D4NS-4CF-NPT Safety Door Switch provides reliable machine-guard monitoring with a 1-Conduit type, 1/2-14NPT structure, Slow-action,2NC/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-4CF-NPT |
Omron D4NS-4CF-NPT Safety Door Switch - Technical Specifications
| Specification | Value |
|---|---|
| Type | 1-Conduit type |
| Contact configuration | Slow-action,2NC/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 |
The Omron D4NS-4CF-NPT Safety Door Switch features a 2NC/1NO slow-action contact configuration, ensuring dual-channel redundancy for safety-critical circuits. Equipped with a Type 2 interlock and low-level coded key system, it provides excellent tamper resistance and meets global safety requirements. The 1/2-14NPT conduit outlet offers secure and compatible integration with North American wiring standards, while the 10 mm direct opening travel ensures reliable contact separation in response to door movement.
Built for harsh conditions, the D4NS-4CF-NPT withstands vibration ranges from 10 to 55 Hz and shocks up to 1,000 m/sΒ², offering consistent performance in dynamic environments. It features an IP67-rated enclosure for protection against dust and water, making it suitable for washdown zones and rugged industrial facilities. Electrically, it supports a rated insulation voltage of 300 V and a minimum insulation resistance of 100 MΞ©. Operating effectively between β30Β°C to 70Β°C and in up to 95% humidity, the Omron D4NS-4CF-NPT is a trusted choice for conveyor systems, packaging equipment, and robotic workstations where safety is paramount.
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