Omron G9SA-EX031-T075 Safety Relay Unit
The Omron G9SA-EX031-T075 Safety Relay Unit expands system safety with 3PST-NO main contacts, an SPST-NC auxiliary output, and a precise 7.5-second OFF-delay timer. Designed for extension module applications, it ensures coordinated safety functions within broader relay systems. With 24 VAC/VDC or 100–240 VAC compatibility and 85%–110% voltage tolerance, it consumes up to 8.6 VA/3.3 W or 12.5 VA. It offers 30 ms operating time, 10 ms response, and high shock/vibration durability. Manufactured by Omron and listed under Omron Relay, it is part of the Omron G9SA Series.
| Brand | Omron |
| Product Type | Safety Relay Unit |
| Model Number | G9SA-EX031-T075 |
Omron G9SA-EX031-T075 Safety Relay Unit - Technical Specifications
| Specification | Value |
|---|---|
| Main contacts | 3PST-NO |
| Auxiliary contact | SPST-NC |
| OFF-delay time | 7.5 s |
| Operating voltage range | 85% to 110% of rated power supply voltage |
| Power consumption | 24 VAC/VDC: 8.6 VA/3.3 W max. 100 to 240 VAC: 12.5 VA max. |
| Contact resistance | 100 mΩ |
| Operating time | 30 ms max. |
| Response time | 10 ms max. |
| Vibration resistance | 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 | −25 to 55°C (with no icing or condensation) |
| Ambient operating humidity | 35% to 85% |
| Terminal tightening torque | 0.6 N·m |
| Weight | Approx. 130 g |
The Omron G9SA-EX031-T075 combines expansion functionality with a fixed OFF-delay time of 7.5 seconds, making it ideal for safety systems requiring delayed shutdown of actuators or machines. Featuring 3PST-NO main contacts and an SPST-NC auxiliary contact, this safety relay unit extends master modules while maintaining consistent safety logic. Designed to operate across a wide input range of 24 VAC/VDC to 240 VAC and remain stable within 85% to 110% of the rated voltage, it ensures dependable performance even in fluctuating power conditions common across Indian manufacturing units.
The unit offers a fast 10 ms response time and 30 ms operating time, making it suitable for high-speed safety processes. With a maximum power consumption of 8.6 VA/3.3 W at 24 VAC/VDC and 12.5 VA at 100–240 VAC, the G9SA-EX031-T075 delivers energy-efficient operation. Its durable construction supports vibration resistance from 10 to 55 Hz and can withstand up to 300 m/s² shock resistance, ensuring long-term performance in harsh environments. It reliably operates in ambient temperatures from −25°C to 55°C with humidity up to 85%.
Weighing just 130 g, this compact unit is easy to install and maintain in space-limited control panels. The Omron G9SA-EX031-T075 is trusted by engineers and OEMs looking for modular, time-delay expansion solutions that enhance both safety and flexibility.
