In most procurement cycles, D4NS-2BF is considered with Omron Photoelectric Sensor, Omron Sensors and Omron D4Ds K3, giving decision-makers confidence that theyβve chosen the most dependable component.
Omron D4NS-2BF Safety Door Switch
The Omron D4NS-2BF Safety Door Switch provides reliable machine-guard monitoring with a 1-Conduit type, G1/2 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-2BF |
Omron D4NS-2BF Safety Door Switch - Technical Specifications
| Specification | Value |
|---|---|
| Type | 1-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 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 |
Engineered for safety-critical applications, the Omron D4NS-2BF Safety Door Switch integrates a slow-action, 2NC contact configuration that ensures reliable signal interruption during access events. With a Type 2 interlock mechanism and low-level coding, this model enhances tamper resistance and maintains compliance with international safety standards. Its G1/2 conduit outlet supports secure cable connections, while the 10 mm direct opening travel provides safe contact separation under force.
The D4NS-2BF offers dependable mechanical performance with a direct opening force of 60 N (standard) to 80 N (high pull-force), suited for doors with varied operational pressure. With an IP67 protection rating, it withstands water jets and dust ingress, making it reliable in harsh industrial conditions. It endures vibrations from 10 to 55 Hz and shock levels up to 1,000 m/sΒ², while its electrical reliability is backed by a 300 V rated insulation voltage and 100 MΞ© insulation resistance. Functioning across a wide temperature range of β30Β°C to 70Β°C and up to 95% humidity, the Omron D4NS-2BF is a trusted safety component for engineers and system integrators focused on long-term operational reliability.




