3TF6933-1DB4 SIEMENS

The 3TF6933-1DB4 Siemens contactor is a robust and reliable switching device designed for demanding industrial applications. As a Size 14 contactor, it boasts a substantial power handling capability, making it suitable for controlling large electrical loads. This 3-pole contactor is specifically configured for AC-3 duty, indicating its suitability for switching AC induction motors. It is rated for a significant 450 kW power output at 400/380 V (690 V), demonstrating its ability to manage high-power motor control circuits. The integrated auxiliary switch features a 33 configuration (3 NO + 3 NC) providing versatile signaling options for control and monitoring systems. This contactor is paired with a 3TC4417-4A reversing contactor, enabling efficient motor reversing operations. A series resistor DC economy circuit operating at 24 V DC is incorporated to reduce energy consumption during continuous operation. This combination of features makes the 3TF6933-1DB4 ideal for applications requiring precise and energy-efficient motor control, enhancing both performance and operational cost-effectiveness. Its durable construction and comprehensive functionality ensure long-lasting and dependable service in challenging industrial environments.