Omron D4NS-1DF Safety Door Switch
The Omron D4NS-1DF Safety Door Switch provides 1-Conduit type, 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-1DF |
Omron D4NS-1DF Safety Door Switch - Technical Specifications
| Specification | Value |
|---|---|
| Type | 1-Conduit type |
| Contact configuration | Slow-action,3NC |
| 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-1DF Safety Door Switch features a slow-action 3NC contact configuration, providing triple-pole redundancy for enhanced safety applications. Integrated with a Type 2 interlock mechanism and low-level coded actuator, this model reduces the risk of accidental or unauthorized machine access. Its direct opening force ranges from 60 N to 80 N, and the 10 mm direct opening travel ensures mechanical reliability in critical operations. The contact resistance is limited to 25 mΞ© max for electrical efficiency, while rated insulation voltage of 300 V and insulation resistance of 100 MΞ© support stable circuit isolation.
With a rugged IP67-rated enclosure, the D4NS-1DF is built to withstand industrial dust, water exposure, and extreme conditions. It performs reliably under vibrations from 10 to 55 Hz and shock forces up to 1,000 m/sΒ². Engineered for long-term performance, it supports ambient temperatures from β30Β°C to 70Β°C and humidity up to 95%, making it a dependable choice for heavy machinery, conveyor systems, and robotics in factory settings. Weighing approximately 96 g, the Omron D4NS-1DF balances safety, durability, and electrical precision in one compact form.
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