Any mounting position is allowed. That's another SKU I don't need to worry about for panel layout — just keep the 50 mm vertical breathing room.
Compared to the 3RV2021-1FA15, this 3RV2111-1DA10 shares the same SIRIUS family and Class 10 trip, but the 3RV2021-1FA15 is a higher-current variant with a different adjustment range. The 3RV2111-1DA10 is the lower-current sibling — check the actual setting range on the nameplate to confirm fit for your motor FLA.
Breaking capacity: 100 kA at 240 V, 400 V, and 500 V; 10 kA at 690 V. Terminal screws for main contacts are M3, accepting 2×(0.5…1.5 mm²) or 2×(0.75…2.5 mm²) solid or stranded copper.
