Omron G9SX-EX401-RT Safety Relay Unit
The Omron G9SX-EX401-RT Safety Relay Unit features a 15-second OFF-delay and efficient 24 VDC power operation with −15% to +10% voltage tolerance. It delivers a quick 30 ms operating time and 10 ms response, enabling fast safety shutdown in automated systems. Built for harsh industrial usage, it withstands severe vibration and shock while performing within −10 to 55°C. Its compact and efficient performance makes it suitable for multi-zone or expanding safety circuits. Manufactured by Omron and supplied under Omron Relay, this product is part of the Omron G9SX Series.

| Brand | Omron |
| Product Type | Safety Relay Unit |
| Model Number | G9SX-EX401-RT |
Omron G9SX-EX401-RT Safety Relay Unit - Technical Specifications
| Specification | Value |
|---|---|
| OFF-delay time | 15 s |
| Rated voltage | 24 VDC |
| Operating voltage range | -15% to +10% of rated supply voltage |
| Power consumption | 2 W max |
| Operating time | 30 ms max |
| Response time | 10 ms max |
| Vibration resistance | Frequency: 10 to 55 to 10 Hz, 0.375-mm single amplitude (0.75-mm double amplitude) |
| Shock resistance | Destruction 300 m/s2 Malfunction 100 m/s2 |
| Ambient operating temperature | −10 to 55°C (with no icing or condensation) |
| Ambient operating humidity | 25% to 85% |
| Terminal tightening torque | 0.5 N·m |
| Weight | Approx. 165 g |
The G9SX-EX401-RT enhances safety circuit configurations by extending OFF-delay timing across systems with its reliable 15-second delay. Powered by a stable 24 VDC rated voltage, it maintains energy efficiency with a 2 W max power consumption, ensuring safe, responsive operations even during high-demand scenarios. Its operating time of 30 ms and response time of 10 ms make it ideal for machines requiring precision-controlled stop sequences.
Designed by Omron to meet demanding industrial environments, the G9SX-EX401-RT boasts superior durability with a shock resistance of 300 m/s², high vibration tolerance (10 to 55 Hz with 0.75 mm double amplitude), and dependable performance in ambient temperatures from −10 to 55°C. With a compact profile and a terminal tightening torque of 0.5 N·m, it ensures secure installation and wiring integrity. Weighing approximately 165 g, this unit is a trusted choice for machine builders and OEMs across India prioritizing functional safety and minimal downtime.




