The Siemens 3RA2921-1B is a versatile link module designed for seamless integration with a range of Siemens circuit breakers and contactors. This module is particularly suited for applications requiring reliable screw terminal electrical connections. It is compatible with the S00 and S0 sizes of circuit breakers and S0 size contactors, ensuring a broad spectrum of use cases within industrial settings.
Crafted for DC operation, the 3RA2921-1B link module facilitates the mechanical and electrical linking of components such as the 3RV2.1/3RV2.2 and 3RT2.2, as well as the 3RW3 soft starters and 3RF34 solid-state contactors. Its design prioritises ease of installation with a screw fixing mounting type, making it a practical choice for various control panel configurations.
With dimensions of 45mm in width, 43mm in height, and 83mm in depth, the module maintains a compact footprint, allowing for efficient use of space within electrical enclosures. The product is part of the esteemed SIRIUS range, which is synonymous with high-quality industrial control gear, offering robust performance in demanding environments.
The 3RA2921-1B is engineered to meet the rigorous standards expected of industrial components, ensuring reliability and durability for your electrical control systems. Whether you're upgrading existing equipment or designing new installations, this link module is an essential component for achieving streamlined and secure electrical connections.