Siemens 3RT2026-2BB40 is a three-pole power contactor for AC-3e/AC-3 duty, rated for 25 A and 11 kW at 400 V, with a 24 V DC coil. It provides an auxiliary contact configuration of 1 NO + 1 NC and uses spring-loaded terminals in the compact size S0. Designed for motor start/stop control in panels and automation, this contactor offers reliable switching and straightforward integration with 24 V control circuits while maintaining clear separation between the power and control circuits.
