Omron G9SB-3012-A Safety Relay Unit
The Omron G9SB-3012-A Safety Relay Unit provides strong machine safety control using 3PST-NO main contacts and an SPST-NC auxiliary output. With 2-channel safety input capability and an auto-reset function, it supports quick system recovery after stops. Designed for 24 VAC/VDC supply within an 85%–110% tolerance, it consumes 3.6 VA/1.7 W for efficient operation. Performance includes 30 ms operating time, 10 ms response, and high resistance to industrial vibration and shock. Manufactured by Omron and part of the Omron Relay category, this device belongs to the Omron G9SB Series.
| Brand | Omron |
| Product Type | Safety Relay Unit |
| Model Number | G9SB-3012-A |
Omron G9SB-3012-A Safety Relay Unit - Technical Specifications
| Specification | Value |
|---|---|
| Main contacts | 3PST-NO |
| Auxiliary contact | SPST-NC |
| Number of input channels | 2 channels |
| Reset Mode | Auto-reset |
| Rated voltage | 24 VAC/VDC |
| Operating voltage range | 85% to 110% of rated power supply voltage |
| Power consumption | 3.6 VA/1.7 W max. |
| 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% |
| Weight | Approx. 120 g |
The Omron G9SB-3012-A delivers robust safety performance for dual-channel input applications, making it suitable for guarding systems, E-stop circuits, and two-hand control stations in industrial machines. It features 3PST-NO main contacts and a SPST-NC auxiliary contact, ensuring reliable output separation and monitoring capabilities. Operating with an auto-reset mode, the unit allows for seamless integration into automated environments where minimal manual intervention is preferred. Its rated voltage of 24 VAC/VDC and tolerance of 85% to 110% provide excellent electrical stability, even in fluctuating factory conditions.
This safety relay unit ensures fast reaction times with a 10 ms response and 30 ms maximum operating time. With a power-efficient design consuming only 3.6 VA/1.7 W max, it reduces panel energy load without sacrificing reliability. Built for harsh industrial settings, the G9SB-3012-A features shock resistance up to 300 m/s² and vibration resistance in the 10 to 55 Hz range. It is rated for consistent operation in ambient temperatures from −25°C to 55°C and relative humidity between 35% to 85%.
Weighing approximately 120 g, the Omron G9SB-3012-A is easy to install in compact control panels and trusted by OEMs and automation engineers across India. Its balance of speed, safety, and durability makes it a top-tier solution for high-integrity safety systems.
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