3RH1921-2JE11 SIEMENS

The 3RH1921-2JE11 auxiliary switch block from Siemens is designed for solid-state compatibility and adheres to the EN 50012 standard. It is intended for lateral mounting and utilizes spring-type terminals for secure and efficient connections. This auxiliary switch block features 1 normally open (NO) and 1 normally closed (NC) contact, both encapsulated for enhanced protection against environmental factors. It is suitable for use with contactor sizes S3 through S12, serving as a 2nd auxiliary switch block to expand the control capabilities of the main contactor. The encapsulated design ensures reliable operation in demanding industrial environments by safeguarding the contacts from dust, moisture, and other contaminants. Its spring-type terminals facilitate quick and tool-less installation, reducing wiring time and effort. This auxiliary switch block enhances the functionality of Siemens contactors, providing additional control circuits for signaling, interlocking, or other control functions. The 3RH1921-2JE11 is a crucial component for comprehensive motor control and automation systems. It ensures reliable and safe operation of electrical circuits.