Description
The Siemens 3RH2122-2SB40 SIRIUS 3RH2 Contactor Relay is an advanced auxiliary switching device designed to enhance the functionality of Siemens contactors. Rated for 10A, this relay features a flexible 2 normally open (NO) and 2 normally closed (NC) contact configuration, providing essential signaling and control capabilities within industrial automation systems. The Siemens 3RH2122-2SB40 is designed for direct mounting onto SIRIUS contactors, simplifying installation and saving panel space.
Built with Siemens’ commitment to quality and reliability, this contactor relay is constructed for long-term performance in demanding environments. Its robust design ensures consistent operation and dependable switching, contributing to the overall efficiency and safety of your control circuits. The SIRIUS 3RH2 series is known for its high reliability.
This Siemens relay is ideal for expanding the number of auxiliary contacts on a contactor, enabling more complex control logic, interlocking functions, and signaling for status indication. It is a critical component for building sophisticated control systems in manufacturing, processing, and building automation.
Choose the Siemens 3RH2122-2SB40 for a reliable and versatile solution to your control relay needs. It offers the quality and performance expected from Siemens. Enhance your control system capabilities with this advanced Siemens component.









