3TH2144-0BB4 SIEMENS

The 3TH2144-0BB4 is a contactor relay manufactured by Siemens, designed for switching auxiliary circuits in industrial applications. This relay features a contact configuration of 4 normally open (NO) and 4 normally closed (NC) contacts, conforming to EN 50011 standards for contactor relays. Its primary function is to multiply contacts, enabling the control of multiple circuits with a single signal. The 3TH2144-0BB4 utilizes screw terminals for secure and reliable electrical connections, ensuring minimal downtime and ease of installation. With a width of 90 mm, this relay is compact and suitable for installation in control panels and cabinets where space is limited. It operates on a 24 V DC supply voltage, making it compatible with a wide range of control systems. The DC operation ensures reliable performance and reduces the risk of voltage fluctuations affecting the relay's operation. This contactor relay is ideal for applications requiring reliable and efficient switching of auxiliary circuits, such as in motor control, lighting control, and signal processing. Siemens' commitment to quality ensures that the 3TH2144-0BB4 provides long-lasting and dependable performance in demanding industrial environments.