The Siemens 3RA1120-4AC26-0BB4 is designed for load feeder applications, offering a fuseless, direct-on-line starting solution for motors. It operates at 400 V AC with a current rating suitable for 11 to 16 amps, fitting into the size S0 category. The device includes a 24 V DC control voltage and features screw terminals compatible with a 40 mm busbar adapter for straightforward installation. This model provides Type 1 coordination and has an interrupting capacity (Iq) of 50 kA, ensuring reliable protection and performance in industrial environments. BSP Automation supplies this component, making it accessible for integration into your automation systems.