3TC4817-0LJ8 SIEMENS

The 3TC4817-0LJ8 from Siemens is a robust and reliable contactor designed for DC switching applications. This 2-pole contactor, size 4, is specifically engineered for DC-3 and DC-5 utilization categories, making it suitable for demanding industrial environments. It boasts a current rating of 75 A at 750 V, ensuring efficient and safe operation in high-voltage DC circuits. The integrated auxiliary contacts, configured as 2NO + 1NC (2 normally open and 1 normally closed), provide versatile signaling and control capabilities. Its operating range spans from 0.7 to 1.25 times the control supply voltage (US), offering tolerance to voltage fluctuations. Equipped with a varistor and series resistor, it provides enhanced surge protection, safeguarding the contactor and connected equipment. The direct current operation is facilitated by a DC magnet system operating at 72 V DC, ensuring reliable and consistent performance. This contactor is ideal for applications requiring dependable DC switching, such as in renewable energy systems, battery storage, and DC motor control. Siemens' commitment to quality ensures a long service life and minimal maintenance.