Siemens 4EP4003-0DB is a Kommutierungsdrossel (commutation choke) in the SIMODRIVE family, designed for 380V three‑phase systems and linked to SIMODRIVE 610/6RA29 configurations. The part number 4EP4003-0DB appears in Siemens catalogs and distributor listings as a Siemens 4EP‑series component. In available listings, the device is described with a 380V-3PH rating, confirming its three‑phase application within Siemens automation equipment.
