The auxiliary switch block 4S Bgr.S00 3RH2911-2GA40 from Siemens is a versatile automation product specifically designed for the expansion of auxiliary contacts in the control circuit. This auxiliary switch can be mounted from the front and offers high flexibility with the ability to be mounted on various contactors without the need for tools. The auxiliary switch block is physically coded and can only be combined with specific auxiliary contactors, such as the models 3RH2140 and 3RH2440. With up to four instantaneous switching contacts and two delayed contacts, this auxiliary switch is ideal for applications in industrial automation. The use of spring-loaded terminals ensures a reliable connection and easy handling. The auxiliary switch block is part of the SIRIUS modular system, known for its efficiency and modernity.

• Front mounting without tools possible
• Physically coded for specific combinations
• Expansion of auxiliary contacts in the control circuit
• Available with screw and spring-loaded terminals
• Part of the SIRIUS modular system for industrial automation.