Siemens 3RT1026-1BB44 is a three-pole SIRIUS power contactor with a 24 V DC coil, designed for AC-3 motor control in three-phase circuits. It is rated for 11 kW at 400 V in AC-3 service and supports up to 25 A, making it suitable for starting and running mid-size motors. The unit includes an auxiliary contact block with 2 normally open and 2 normally closed contacts, and uses screw terminals in the compact S0 size for panel mounting. As part of Siemens' SIRIUS lineup, it integrates with standard accessories and is well-suited for automation tasks such as pumps, conveyors, and fans in industrial environments.
