Omron D4NS-6BF Safety Door Switch
The Omron D4NS-6BF Safety Door Switch provides 2-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 mΩ max. contact resistance, 300 V rated insulation voltage, 100 MΩ min. insulation resistance, and a 2 × 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-6BF |
Omron D4NS-6BF Safety Door Switch - Technical Specifications
| Specification | Value |
|---|---|
| Type | 2-Conduit type |
| Contact configuration | Slow-action,2NC |
| Conduit outlet/Connector | G1/2 |
| 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-6BF Safety Door Switch comes with slow-action 2NC contacts that ensure dependable dual-channel circuit protection in safety-critical automation systems. With a Type 2 interlock mechanism and low-level coded actuator, it meets rigorous safety standards and deters bypassing. The addition of a G1/2 conduit outlet simplifies secure installation in industrial control panels, while the 10 mm direct opening travel ensures rapid mechanical disconnection when actuated.
This model is designed for extreme operational reliability. It withstands vibration levels of 10–55 Hz and shock impacts up to 1,000 m/s², making it ideal for harsh factory environments. The unit's IP67-rated enclosure guards against dust and moisture, ensuring long-term performance even in washdown areas. With a rated insulation voltage of 300 V, contact resistance of 25 mΩ, and insulation resistance of 100 MΩ, the switch offers consistent electrical stability. It operates effectively across a temperature range of −30°C to 70°C and up to 95% relative humidity. Weighing approximately 96 g, the D4NS-6BF is trusted by engineers for use in conveyor systems, packaging lines, and safety-rated equipment throughout manufacturing facilities.
