G7SA-4A2B

Overview of Omron G7SA-4A2B

The Omron G7SA-4A2B is a safety relay with forcibly guided contacts designed for high-reliability industrial safety applications. It features 4 normally open (NO) contacts and 2 normally closed (NC) contacts with a coil voltage rating of 24 VDC. The relay offers a high carry current capacity of 6 A and complies with international safety standards including EN/IEC certifications.

Key Features of Omron G7SA-4A2B

• Contact configuration: 4 poles normally open (4PST-NO) + 2 poles normally closed (DPST-NC)
• Coil voltage: 24 VDC
• Rated carry current: 6 A at 240 VAC (resistive load)
• Contact material: Gold clad 3 µm for enhanced reliability
• Terminal type: Push-In Plus terminals for quick wiring (PCB mount version available)
• Insulation resistance: 1000 MΩ min (at 500 VDC)
• Mechanical durability: Up to 36,000 operations/hour
• Electrical durability: Rated for 1800 operations/hour
• Operating temperature range: -40 to 55 °C
• Mounting type: DIN rail or PCB mount depending on model
• Safety approvals: Certified to EN/IEC 61810-1 and 61810-3 for forcibly guided contacts
• Compact size with transparent case for visual contact status inspection

Technical Specifications

Applications / Use Case

The G7SA-4A2B relay is used in safety circuits requiring reliable and fail-safe contact operation. Common applications include safety interlocking, emergency stop circuits, and industrial machinery safety controls where compliance with safety standards and operational reliability is critical.