Omron G9SE-401 Safety Relay Unit
The Omron G9SE-401 Safety Relay Unit supports multi-circuit safety control in compact machinery requiring high-efficiency performance. Operated by a 24 VDC supply with −15% to +10% voltage tolerance, it ensures reliable functionality with a maximum 100 ms operating time and 15 ms response. Engineered for demanding environments, it withstands vibration, shock, and humidity levels up to 85% RH while maintaining stability from −10 to 55°C. Manufactured by Omron and listed under Omron Relay, this model is part of the Omron G9SE Series.
| Brand | Omron |
| Product Type | Safety Relay Unit |
| Model Number | G9SE-401 |
Omron G9SE-401 Safety Relay Unit - Technical Specifications
| Specification | Value |
|---|---|
| Rated voltage | 24 VDC |
| Operating voltage range | -15% to 10% of rated supply voltage |
| Power consumption | 3 W max. |
| Operating time | 100 ms Max |
| Response time | 15 ms Max |
| Vibration resistance | Frequency:10 to 55 to 10 Hz Amplitude:0.35 mm half amplitude (0.7 mm double amplitude) |
| Shock resistance | Destruction 300 m/s2 Malfunction 100 m/s2 |
| Ambient operating temperature | -10 to 55°C (No freezing or condensation) |
| Ambient operating humidity | 25% to 85%RH |
| Weight | approx. 180 g |
The Omron G9SE-401 delivers dependable safety relay functionality with a compact footprint and low power draw, making it an ideal choice for modern control panels. Operating at a stable 24 VDC rated voltage, it accommodates fluctuations from −15% to +10% of the supply, providing robust voltage tolerance for factory floor conditions. With a maximum power consumption of just 3 W, it’s an energy-efficient component that supports extended uptime in safety-critical circuits like emergency stops, guard doors, and two-hand control systems.
The G9SE-401 features an operating time of 100 ms and a response time of 15 ms, ensuring timely system reactions during fault conditions. It’s designed to withstand mechanical stress with a shock resistance of up to 300 m/s² and vibration resistance from 10–55 Hz at 0.7 mm double amplitude. Suitable for Indian industrial climates, it performs reliably in ambient temperatures from −10°C to 55°C and relative humidity between 25% to 85%, ensuring long-term performance even in humid or dust-prone environments.
Weighing approximately 180 g, this DIN-rail mountable safety relay unit provides a balance of safety, speed, and durability. Trusted by engineers and automation experts across India, the Omron G9SE-401 offers reliable multi-input safety control in compact automation systems.
