The Siemens 3RH1921-2HA22 is a meticulously engineered auxiliary switch block designed to complement motor contactors within a diverse array of industrial applications. This switch block is a snap-on mount unit, ensuring a secure and straightforward installation process. With a current rating of 10 A and dimensions of 44 x 44 x 40 mm, it is both compact and robust, suitable for integration into various control systems.
Crafted for reliability, the 3RH1921-2HA22 features a 4-pole configuration with 2 normally open (NO) and 2 normally closed (NC) contacts, conforming to DIN EN50005 standards. The cage clamp connection offers a solid and maintenance-free electrical connection, enhancing the overall durability and longevity of the component.
This auxiliary switch block is part of the Siemens 3RH series, which is renowned for its high-quality construction and performance. It is an essential component for professionals seeking to enhance the operational efficiency and control accuracy of motor starters and contactor assemblies in industrial environments.