Many engineers reviewing Omron D4NS-9BF also explore Omron SMPS 24V 10A, Omron Sensors and Omron D4Nl 1Afa B, ensuring they donβt miss strong alternatives before finalizing procurement decisions.
Omron D4NS-9BF Safety Door Switch
The Omron D4NS-9BF Safety Door Switch provides reliable machine-guard monitoring with a 1-Conduit type, with connector
, M12 connector structure, Slow-action,2NC 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-9BF |
Omron D4NS-9BF Safety Door Switch - Technical Specifications
| Specification | Value |
|---|---|
| Type | 1-Conduit type, with connector |
| Contact configuration | Slow-action,2NC |
| 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 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-9BF combines robust performance with ease of installation, thanks to its connector-based 1-conduit design and M12 interface, which simplifies cabling in safety circuits. Engineered with slow-action, 2NC contacts, this model ensures fail-safe operation and is well-suited for safety interlock systems that demand consistent signal integrity. With a Type 2 interlock mechanism and low-level coding, it helps minimize bypassing and provides compliance with safety standards.
This switch is protected by a durable IP67-rated enclosure, making it resistant to dust and water ingress. It operates reliably within a wide range of conditionsβtolerating ambient temperatures from β30Β°C to 70Β°C and up to 95% relative humidity. The D4NS-9BF also withstands shock forces up to 1,000 m/sΒ² and vibration up to 55 Hz, ensuring performance in high-motion machinery. The 10 mm direct opening travel guarantees a fast mechanical response, and the unit maintains electrical reliability with contact resistance below 25 mΞ© and 300 V rated insulation. With a compact form factor and weighing just 96 g, itβs a practical and trusted solution for OEMs and system integrators prioritizing safety.
