Description
The OMRON G9SA-301 is a compact and versatile safety relay unit designed for emergency stop applications and safety monitoring in industrial automation systems. Part of the proven G9SA Series, this unit offers reliable protection by monitoring safety inputs from devices such as emergency stop buttons, safety gates, light curtains, and safety mats. It features a compact 45mm width housing that saves space on DIN rails and supports easy expansion through front connection terminals. The relay is certified for Category 4 according to EN954-1 and achieves Performance Level e (PLe) according to ISO 13849-1, ensuring high integrity for personnel protection. With its dual-channel monitoring capability and forced-guided relay contacts, it provides fail-safe operation and prevents contact welding for maximum safety.
Key Features
- Compact Safety Relay Unit for emergency stop applications
- Safety Standards: Category 4 (EN954-1), Performance Level e (ISO 13849-1)
- Compact Design: 45mm width for space-saving DIN rail mounting
- Expandable: Simple multiplication of safety contacts via front connection
- Monitoring Capability: Suitable for PNP OSSD outputs of safety sensors
- Contact Configuration: 3 safety contacts (3PST-NO) + 1 auxiliary contact (SPST-NC)
- Mounting: DIN rail mount or screw mount possible
- Country of Origin: Japan (Omron Corporation)
Technical Specifications
Parameter | Specification |
|---|---|
Model | G9SA-301 |
Supply Voltage | 24 VAC/VDC or 100 to 240 VAC (specify when ordering) |
Operating Voltage Range | 85% to 110% of rated voltage |
Power Consumption | 24 VAC/VDC: 5.7 VA / 1.7 W max. 100-240 VAC: 9 VA max. |
Input Current | 40 mA max. |
Safety Contacts | 3PST-NO (3 Form A) |
Auxiliary Contact | SPST-NC (1 Form B) |
Contact Rating | 250 VAC, 5 A / 30 VDC, 5 A |
Operating Time | 30 ms max. |
Response Time | 10 ms max. |
Isolation Voltage | 250 VAC |
Impulse Withstand Voltage | 4 kV |
Ambient Operating Temperature | -25°C to +55°C (with no icing or condensation) |
Ambient Operating Humidity | 35% to 85% |
Terminal Tightening Torque | 0.6 N·m |
Weight | Approx. 210 g (24 VAC/VDC type) |
Warranty & After-Sales
- Factory new units: 12 months warranty
- Refurbished units: 3-6 months warranty
- Technical support for configuration and wiring
- Compatibility verification with safety sensors (e.g., light curtains, emergency stops)
- Commissioning and diagnostics support available
Delivery Time
- Standard delivery: 3-5 working days
- Express shipping available upon request
Why Choose Our Store
- Genuine OMRON components
- Global supply network with competitive pricing
- Expertise in industrial automation and safety systems
- Comprehensive technical documentation
- Responsive customer service and support
Applications
- Emergency Stop Circuits: Monitoring emergency stop buttons and safety switches
- Safety Gates & Guards: Monitoring gate switches on machinery guards
- Light Curtain Monitoring: Connecting to safety light curtains (OSSD outputs)
- Safety Mats: Monitoring safety mats for personnel detection
- Two-Hand Control: Implementing two-hand control safety functions
- Machine Safety Systems: General safety monitoring in CNC machines, presses, and robotics
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