G7SA-3A1B-DC24

Overview of Omron G7SA-3A1B-DC24

The Omron G7SA-3A1B-DC24 is a safety relay with forcibly guided contacts designed for reliable switching in safety circuits. It features a 4-pole relay configuration with 3 normally open (3PST-NO) and 1 normally closed (SPST-NC) contacts. The relay is operated by a 24 V DC coil and is suitable for safety applications requiring high contact reliability and electrical isolation.

Key Features

• Coil voltage: 24 V DC.
• Contact configuration: 4 poles (3PST-NO + 1SPST-NC).
• Rated load current: 6 A at 250 VAC or 30 V DC (resistive load).
• Coil resistance: Approximately 1600 Ω.
• Power consumption: Approx. 360 mW.
• Contact resistance: Maximum 100 mΩ.
• Insulation resistance: Minimum 1000 MΩ at 500 V DC between coil and contacts.
• Dielectric strength: 4000 VAC between coil and contacts for 1 minute.
• Operating time: Maximum 20 ms.
• Release time: Maximum 10 ms.
• Mechanical endurance: 36,000 operations per hour (mechanical).
• Electrical endurance: 1,800 operations per hour at rated load.
• Operating temperature: -25 to 55 °C (no icing or condensation).
• Mounting: PCB terminal type.
• Safety Standards: Complies with EN50205 Class A (forcibly guided contacts). Certified by VDE.

Technical Specifications

Applications

The G7SA-3A1B-DC24 relay is used in safety circuits of machinery and equipment where positive-guided contacts are necessary to meet safety standards. Applications include emergency stop circuits, safety interlocks, and other critical control functions requiring forced-guided relay contacts for reliable fault detection.