3RH1440-1BB40 SIEMENS

The 3RH1440-1BB40 is a latched contactor relay from Siemens, designed with a 4-pole configuration and featuring 4 normally open (NO) contacts. This device is classified as size S00, indicating its compact dimensions and suitability for space-constrained applications. It operates on a 24 V DC supply voltage, ensuring compatibility with various control systems. Please note that the 3RH1440-1BB40 is a phased-out product, meaning it is no longer actively manufactured or supported by Siemens. The recommended successor for this contactor relay is the SIRIUS 3RH2440-1BB40, which offers improved performance and features. The SIRIUS 3RH2 series represents the latest generation of contactor relays from Siemens, incorporating advanced technology and enhanced reliability. When replacing the 3RH1440-1BB40, it is advisable to use the 3RH2440-1BB40 to ensure seamless integration and optimal performance within your control system. The successor 3RH2440-1BB40 provides a modern and efficient solution for your contactor relay needs. Transitioning to the 3RH2440-1BB40 will provide long-term support and compatibility.