3TH4244-0LB4 SIEMENS

The 3TH4244-0LB4 is a contactor relay meticulously designed by Siemens, adhering to the stringent DIN EN 50011 standards, making it ideally suited for demanding railway applications. This relay features a contact configuration of 4 normally open (NO) and 4 normally closed (NC) contacts, providing versatile control options for various circuits. The robust screw terminals ensure secure and reliable electrical connections, minimizing the risk of disconnections due to vibrations or environmental factors. Its operating range spans from 0.7 to 1.25 times the control supply voltage (Us), offering reliable performance even with voltage fluctuations. This particular model is designed for a 24 V DC control supply and includes a built-in varistor for surge suppression, protecting the relay coil from voltage spikes. The integrated varistor enhances the relay's durability and extends its operational lifespan. The 3TH4244-0LB4 is engineered to withstand the harsh conditions typically encountered in railway environments, ensuring consistent and dependable operation. Its compact design allows for easy integration into control panels and electrical enclosures. Siemens' commitment to quality and innovation is evident in the design and construction of this contactor relay, making it a reliable choice for critical railway control systems.