Siemens 3RU2146-4MB0

This thermal overload relay is designed for motor protection with a current rating of 80 to 100 A. It is suitable for size S3 applications and conforms to class 10 standards. The relay features a mounting design compatible with contactors, utilizing screw terminals for both the main and auxiliary circuits.

With a trip type of CLASS 10, this relay provides reliable performance under various operational conditions, featuring a full load current range of 96 A to 99 A and an operating temperature range from -40 °C to 70 °C. It is rated for a maximum voltage of 1,000 V and can handle an operational current of 100 A at AC-3e conditions.

The device incorporates thermal overload release technology, ensuring effective protection against motor overloads. Its auxiliary circuit includes integrated contacts, with specifications for various voltage ratings, providing versatility for different applications.

Additional features include a shock resistance rating of 8g/11 ms according to IEC standards, and an installation altitude capability of up to 2,000 m. The product is compliant with various international standards, ensuring its reliability and safety in industrial environments.