Siemens 3SK1213-2AB40

The safety relay output expansion, designated as 3RO, features three normally open contacts and one normally closed contact, making it suitable for various safety applications. With a rated control voltage of 24 V DC, this relay employs spring-type terminals for convenient wiring. The device is compliant with SIL 3 standards, ensuring reliable performance in safety-related functions.

Measuring 90 mm in width, 122 mm in depth, and 100 mm in height, the relay is designed for mounting on standard DIN rails. It operates effectively within a temperature range of -25 °C to +60 °C and can be stored at temperatures from -40 °C to +80 °C. The relay supports a maximum operational current of 10 A at 24 V, and features a mechanical service life of approximately 10,000,000 operating cycles.

Furthermore, the relay meets UL approval requirements and is rated for overvoltage category 3, ensuring its suitability for demanding industrial environments. The product's design includes protection class IP20, rendering it suitable for various applications while maintaining a degree of environmental resistance.

This unit is part of a reliable product line, identified by the designation code 3SK1, ensuring compatibility with multiple systems and enhancing overall safety.