3RH1911-1FA22 SIEMENS

The 3RH1911-1FA22 auxiliary switch block from Siemens is designed to enhance the functionality of contactor relays and motor contactors. This switch block conforms to EN 50005 standards, ensuring reliability and safety in industrial applications. It features a combination of normally open (NO) and normally closed (NC) contacts, specifically 2 NO and 2 NC, providing versatile switching options. The screw terminal design facilitates secure and straightforward electrical connections, minimizing installation time and ensuring stable performance. This auxiliary switch block is specifically designed for size S00 contactor relays and motor contactors, ensuring perfect compatibility. It expands the switching capabilities of the main contactor, enabling control of additional circuits or signaling functions. The robust construction ensures durability and long-term performance in demanding industrial environments. It is ideal for applications requiring additional control or feedback signals, such as motor control, lighting systems, and automation processes. By adding the 3RH1911-1FA22, users can easily expand the control capabilities of their existing contactor systems.