Description
The Siemens 3RT1275-6AF36 is a premium SIRIUS 3RT12 contactor built for the most demanding industrial power control applications. This high-capacity contactor is designed with a 110-127V coil voltage and a powerful 400A rating, capable of reliably switching electrical loads up to 560kW. As a 3-pole device, it offers robust switching for three-phase systems and includes 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts for integrated control and signaling functions.
This Siemens 3RT1275-6AF36 contactor is part of the advanced SIRIUS 3RT12 series, known for its superior performance, safety, and durability. It is engineered to provide consistent and reliable operation even under frequent switching cycles and challenging environmental conditions. The 1kV rating signifies its suitability for high-voltage applications within its operational limits.
Applications for the Siemens 3RT1275-6AF36 include direct on-line motor starting, load shedding, and switching of high-power industrial equipment. Its integrated auxiliary contacts are crucial for building complex control circuits, enabling interlocking, status feedback, and sequence control within automated systems. This contactor is a vital component for industrial automation and power management.
When choosing the Siemens 3RT1275-6AF36, you are selecting a contactor that offers exceptional performance, safety, and a long operational lifespan. It is designed to meet stringent industrial standards, ensuring peace of mind and efficient operation for your critical electrical infrastructure.








