OMRON G7SA-3A1B DC21 Safety Relay

The OMRON G7SA-3A1B DC21 is a high-reliability safety relay designed with forcibly guided contacts, ensuring enhanced safety and performance in various industrial applications. This relay is part of the renowned G7SA series, known for its compact and slim design, conforming to stringent EN standards.

Key Features

• Coil Voltage: The relay operates at a coil voltage of 21 VDC with a current of 17.1 mA.
• Contact Form: It features a 3PST-NO (3-Pole Single Throw Normally Open) and SPST-NC (Single Pole Single Throw Normally Closed) contact configuration.
• Contact Material: Contacts are made with durable Au plating + Ag alloy, ensuring reliable switching.
• Contact Ratings: Capable of handling loads up to 250 VAC and 30 VDC at 6 A (resistive load).
• Terminal Structure: Equipped with PCB terminals for secure and efficient mounting.
• Operating Environment: Suitable for operation in ambient temperatures from -40 to 85 ℃ and humidity levels between 5 and 85%.
• Safety and Reliability: Offers high insulation resistance and dielectric strength, ensuring safe operation under various conditions.
• Standards Compliance: Meets UL, CSA, and VDE standards, making it compatible with a wide range of safety applications.

Unique Selling Points

• Forcibly Guided Contacts: This feature ensures that all contacts move in a mechanically linked manner, providing enhanced safety by preventing single contact faults.
• High Endurance: Designed for mechanical endurance of up to 10,000,000 operations and electrical endurance of 100,000 operations at rated load.
• Compact Design: Ideal for applications where space is limited without compromising on performance.

Compatibility and Mounting

• Mounting Methods: Supports both socket and soldering mounting options.
• Applicable Sockets: Compatible with P7SA-10F, P7SA-10F-ND, P7SA-10P, and P7SA-10F-ND-PU sockets.

The OMRON G7SA-3A1B DC21 is a trusted choice for safety-critical applications requiring high reliability and compliance with international standards. Whether you're designing safety circuits for machinery or upgrading existing systems, this relay is an excellent option.