Omron D4GS-N4R-3 Safety Door Switch
The Omron D4GS-N4R-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-N4R-3 |
Omron D4GS-N4R-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 robust performance, the Omron D4GS-N4R-3 Safety Door Switch features a Type 2 interlock mechanism and a low level coded system, providing a reliable barrier against unintended machine operation. With an impressive IP67 degree of protection and operating speed ranging from 0.1 to 0.5 m/s, it guarantees consistent operation even in harsh industrial environments. The switch offers a direct opening force of 60 N minimum and a direct opening travel of 10 mm minimum, ensuring dependable mechanical separation during fault conditions.
To further enhance safety, the D4GS-N4R-3 supports a rated insulation voltage of 250 V and withstands shocks up to 1,000 m/s² and vibrations between 10 to 55 Hz. Its rugged construction operates seamlessly within a wide ambient temperature range of -30 to 70°C and up to 95% humidity. The unit is built with a durable UL2464 No. 22 AWG cable and maintains a low contact resistance even across extended cable lengths. Trusted across global industrial sectors, the Omron Slim Safety Door Switch D4GS-N4R-3 is the ideal choice for critical safety interlock applications.
