Siemens 3RA2110-1FD15-1BB4 Load Feeder Fuse-Less

Siemens 3RA2110-1FD15-1BB4 Load Feeder Fuseless, Direct-on-Line starting for 400 V AC three-phase systems. This SIRIUS NG device, size S00, provides a 3.50–5.00 A current range and a 24 V DC control circuit accessible via a screw terminal, designed for 60 mm busbar systems. It includes a single normally open (NO) contact and is engineered for fuseless motor starting, enabling direct-on-line startup without fuses in control cabinets. The unit features coordination type 2 with Iq = 150 kA for robust short-circuit performance in automated lines. Common applications include feeding small three-phase motors in conveyors, packaging equipment, and machine tools where compact, fuse-free DOL starting is advantageous.