Siemens 3RV1041-4LA10 is a motor protection circuit-breaker (MPCB) in the S3 size designed to protect AC motors with a thermal‑magnetic trip characteristic rated Class 10. It provides adjustable overload protection for a continuous operating current range of 70–90 A and has a short‑circuit current rating of 1,170 A. The device features screw-terminal connections and is intended for DIN‑rail mounting; this model is part of Siemens’ Sirius protection family and is listed as discontinued, with a recommended successor in the Sirius 3RV2 series.
