3RT2026-4KB40 SIEMENS

The 3RT2026-4KB40 power contactor from Siemens is a reliable and efficient switching device designed for AC-3 applications. It boasts a current rating of 25 A and a power rating of 11 kW at 400 V, making it suitable for controlling motors and other inductive loads. This 3-pole contactor features an integrated varistor for surge suppression, protecting the device and connected equipment from voltage spikes. It includes one normally open (NO) and one normally closed (NC) auxiliary contact for enhanced control and monitoring capabilities. The contactor is designed for DC operation with a control voltage range of 0.7-1.25 times the rated voltage (US), ensuring reliable performance even with voltage fluctuations. Its compact size S0 allows for space-saving installation in control panels. The ring cable lug connection provides a secure and robust electrical connection. Specifically designed for compatibility with PLC outputs, this contactor is not expandable with auxiliary switches, offering a streamlined solution for specific applications. This contactor is ideal for applications requiring precise and dependable motor control.