The LC3D180AU7 is a TeSys D star-delta starter from Schneider, built for motor control under AC-3 utilisation category. It has 3 x 3P (3 NO) power poles and is rated for 18 A with a 240 V AC coil. The front face carries IP20 protection per IEC 60529, and the housing meets 850 °C fire resistance (IEC 60695-2-1) with V1 flame retardance (UL 94).
This part was discontinued by Schneider on 2020-10-10. Sourcing is limited to surplus or broker channels — expect to submit an RFQ for availability and lead time. If you're freezing a BOM or stocking spares, this is a line-down risk; plan for a redesign or a qualified substitute.
Climatic withstand conforms to IACS and IEC 60947-1 Annex Q category D, with TH protective treatment per IEC 60068-2-30. Mechanical robustness: vibrations at 2 Gn (contactor open) and 4 Gn (closed) over 5...300 Hz; shocks at 10 Gn open and 15 Gn closed for 11 ms.