237-4877

ABB NFZ Series Contactor Relay, 2NO/2NC, 6A Contact Current Rating - 1SBH136061R2122 This contactor relay is designed for the demanding requirements of railway rolling stock applications. With a compact form factor of 77mm x 45mm x 77mm, it offers robust functionality for switching auxiliary and control circuits safely and efficiently. The product features a control voltage range accommodating both AC and DC supplies, making it versatile for various operational environments. Features & Benefits • Accepts a wide DC control voltage range from 20V to 60V • Operates efficiently at temperatures between -40°C and +70°C • Mechanically linked auxiliary contacts enhance operational safety • Incorporates screw terminals for secure wiring connections • Reduces energy consumption with low coil power requirements Applications • Used for switching control circuits in passenger trains • Suitable for installation in driver cabins of underground systems • Ideal for in tunnels due to high-performance features • Utilised for auxiliary circuit management in various machinery What types of control voltages can be used with this device? It accepts a broad range of control voltages, including both AC and DC, specifically from 20V to 60V, making it adaptable for different requirements based on the application. How does this relay handle extreme temperature conditions? The design ensures reliable operation between -40°C and +70°C, allowing it to perform effectively in diverse environmental conditions, which is crucial for railway applications. What are the advantages of mechanically linked auxiliary contacts? Mechanically linked auxiliary contacts ensure that the relay operates safely by providing a clear status indication and preventing unintended contact closures, thereby enhancing overall system reliability.