Omron D4GS-N1R-3 Safety Door Switch
The Omron D4GS-N1R-3 Safety Door Switch provides , 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 0.1 to 0.5 m/s operating speed, and ensures dependable performance with a 10 mm min direct opening travel. With 300 mΩ max. (with 1 m cable) ; 500 mΩ max. (with 3 m cable); 700 mΩ max. (with 5 m cable) contact resistance, 250 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 D4GS Series.
| Brand | Omron |
| Product Type | Safety Door Switch |
| Model Number | D4GS-N1R-3 |
Omron D4GS-N1R-3 Safety Door Switch - Technical Specifications
| Specification | Value |
|---|---|
| Interlock type | Type 2 |
| Coding level | Low level coded |
| Degree of protection | IP67 |
| Operating speed | 0.1 to 0.5 m/s |
| Direct opening force | 60 N min |
| Direct opening travel | 10 mm min |
| Contact resistance | 300 mΩ max. (with 1 m cable) ; 500 mΩ max. (with 3 m cable); 700 mΩ max. (with 5 m cable) |
| Rated insulation voltage (Ui) | 250 V |
| Rated frequency | 50/60 Hz |
| Insulation resistance | 100 MΩ min. |
| Contact gap | 2 × 2 mm min |
| Vibration resistance | Malfunction 10 to 55 Hz, 0.35 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 |
| Cable | UL2464 No. 22 AWG, finishing O.D.: 7.2 mm |
| Weight | Approx. 120 g |
Engineered for environments where space and safety are both critical, the Omron D4GS-N1R-3 Safety Door Switch features a Type 2 interlock mechanism and low-level coding system. This configuration helps ensure safe equipment shutdown during access, while the IP67 protection rating defends against dust and water ingress, making it suitable for harsh industrial conditions.
With a direct opening force of 60 N and 10 mm of direct opening travel, this model provides dependable mechanical separation in case of an emergency stop. The unit supports operating speeds from 0.1 to 0.5 m/s and features a contact gap of 2 × 2 mm, contributing to its fail-safe design. The rated insulation voltage of 250 V, 100 MΩ insulation resistance, and contact resistance ranging up to 700 mΩ (depending on cable length) ensure electrical integrity in safety circuits.
Weighing approximately 120 g, and fitted with a UL2464 No. 22 AWG cable (7.2 mm outer diameter), the D4GS-N1R-3 is ideal for OEMs and automation engineers prioritizing compact, compliant solutions.
