3TH4271-0LF4 SIEMENS

The 3TH4271-0LF4 from Siemens is a contactor relay specifically designed and manufactured to meet the stringent requirements of railway applications, adhering to the DIN EN 50011 standard. This robust relay features a contact configuration of 7 normally open (NO) contacts and 1 normally closed (NC) contact, providing versatile control options for various railway systems. The relay is equipped with screw terminals for secure and reliable electrical connections, ensuring consistent performance even in demanding environments. An integrated varistor offers surge protection, safeguarding the relay and connected equipment from voltage spikes. It is designed for operation with a 110 V DC supply voltage, with an operating range of 0.7 to 1.25 times the rated voltage (0.7...1.25xUS). This wide operating range ensures reliable performance even with voltage fluctuations. Its durable construction and adherence to railway standards make it suitable for safety-critical applications within railway infrastructure. The 3TH4271-0LF4 is a reliable and essential component for railway control systems, ensuring safe and efficient operation. Siemens is a trusted brand known for quality and innovation in electrical engineering.