3TF6933-8DG4 SIEMENS

The 3TF6933-8DG4 Siemens contactor is a robust and high-performance switching device designed for demanding industrial applications. As a Size 14 contactor, it boasts a 3-pole configuration, making it suitable for controlling three-phase circuits. It is specifically optimized for AC-3 duty, enabling efficient and reliable operation of motors with a power rating of up to 450 kW at 400/380 V (and capable of handling up to 1000V). The integrated auxiliary switch features a 33 configuration (3 normally open + 3 normally closed contacts), providing versatile signaling and interlocking capabilities. This contactor is designed for reversing applications, and is paired with a 3TC4417-4A reversing contactor. A series resistor is included for a DC economy circuit operating at 125 V DC, reducing energy consumption during holding. This feature enhances energy efficiency and minimizes heat generation within the control panel. The 3TF6933-8DG4 is engineered for durability and long-term reliability in harsh industrial environments, ensuring consistent performance and minimal downtime. Its comprehensive features and robust design make it an ideal choice for critical motor control applications where performance and reliability are paramount.