3TH4391-0BB4 SIEMENS

The 3TH4391-0BB4 is a contactor relay from Siemens, designed according to EN 50011 standards, ensuring reliable performance in various industrial applications. This relay features a 91E contact configuration, comprising 9 normally open (NO) contacts and 1 normally closed (NC) contact, providing versatile control options. Its screw terminal design facilitates secure and straightforward electrical connections, minimizing installation time and ensuring stable operation. Optimized for DC operation, this contactor relay is powered by a 24 V DC supply, making it suitable for a wide range of control circuits. The 3TH4391-0BB4 is ideal for applications requiring auxiliary switching, signal amplification, and electrical isolation. It is commonly used in motor control centers, automation systems, and other industrial control panels. Siemens' commitment to quality ensures that this contactor relay delivers long-lasting and dependable performance. Its robust construction and adherence to international standards make it a trusted choice for demanding environments. This contactor relay provides a reliable solution for controlling and monitoring electrical circuits.