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Omron G9SB-301-D Safety Relay Unit
The Omron G9SB-301-D Safety Relay Unit provides enhanced control with 3PST-NO main contacts, an SPST-NC auxiliary contact, and flexible 1-channel or 2-channel input wiring. The manual reset feature ensures safe, supervised restart after protective activation. Operating on 24 VAC/VDC at 85%β110% tolerance, it consumes 3.6 VA/1.7 W and supports stable long-term performance. With 30 ms operating time, 10 ms response, and resistance to vibration and shock, it suits industrial machine safety applications. Manufactured by Omron and included within Omron Relay, this device belongs to the G9SB Series.
| Brand | Omron |
| Product Type | Safety Relay Unit |
| Model Number | G9SB-301-D |
Omron G9SB-301-D Safety Relay Unit - Technical Specifications
| Specification | Value |
|---|---|
| Main contacts | 3PST-NO |
| Auxiliary contact | SPST-NC |
| Number of input channels | 1 channel or 2 channels |
| Reset Mode | Manual 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 | β25 to 55Β°C (with no icing or condensation) |
| Ambient operating humidity | 35% to 85% |
| Weight | Approx. 120 g |
The Omron G9SB-301-D integrates essential safety features required in machinery protection systems. It comes with 3PST-NO main contacts and a SPST-NC auxiliary contact, enabling secure output switching and feedback signaling. Supporting 1 channel or 2 channels of input, this relay is ideal for integrating safety switches, light curtains, and emergency stop functions in Indian manufacturing facilities. Its manual reset design ensures deliberate operator acknowledgment of safety events, adding a critical layer of compliance to machinery safety protocols.
Operating on a 24 VAC/VDC rated voltage, the unit tolerates supply fluctuations within 85% to 110% range. It maintains fast and reliable performance with an operating time of 30 ms and response time of 10 ms. With a low power consumption of 3.6 VA/1.7 W max, the G9SB-301-D is energy-efficient and suitable for compact panels. Itβs engineered to withstand harsh industrial conditions, featuring vibration resistance up to 0.75 mm double amplitude and shock resistance of 300 m/sΒ² for destruction, ensuring long-term reliability.
Designed to operate in ambient temperatures between β25Β°C and 55Β°C and humidity levels of 35% to 85%, the G9SB-301-D offers reliable functionality in diverse Indian industrial climates. At only 120 g, this compact unit is trusted by OEMs and automation engineers for high-integrity safety systems.
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