3TC4817-0LF4 SIEMENS

The 3TC4817-0LF4 Siemens contactor is a robust and reliable switching device designed for demanding DC applications. This 2-pole contactor, sized at 4, is specifically engineered for DC-3 and DC-5 utilization categories, making it suitable for controlling resistive and inductive loads in direct current circuits. It boasts a current rating of 75 A at 750 V DC, ensuring efficient and safe operation in high-voltage environments. The contactor features integrated auxiliary contacts with a 21 configuration (2 normally open and 1 normally closed), providing additional flexibility for control and monitoring purposes. It operates on a 110V DC control voltage with a wide operating range of 0.7 to 1.25 times the rated voltage (US), ensuring reliable performance even with voltage fluctuations. The inclusion of a varistor and series resistor within the DC operation circuitry provides enhanced protection against voltage surges and transients, extending the lifespan of the contactor. This contactor is ideal for use in a variety of DC applications, including motor control, power supplies, and battery systems. Its durable construction and reliable performance make it a valuable component in any DC electrical system. Siemens is a trusted brand known for quality and innovation.