The 3RT1015-1AN62: The AC-2 rating at 400 V is 3 kW — that is the motor duty for slip-ring rotors or moderate inrush loads, not the higher AC-3 figure you might expect from a larger frame. AC-4 reversing duty at 400 V is 6.5 A, so if the application calls for plugging or inching, that is the current ceiling. For type 2 coordination (no-weld fault protection) the required backup fuse is 20 A gL/gG; type 1 coordination allows 35 A gL/gG. That fuse choice directly affects the SCCR of the branch circuit. Terminals accept 2x (0.5…1.5 mm²), 2x (0.75…2.5 mm²), or max 2x (0.75…4 mm²) solid/stranded — common for control wiring up to 4 mm². The front face is IP20, so finger-safe once wired; side clearances are 6 mm for adjacent devices.
Pollution degree 3 (conductive pollution expected) suits it for factory-floor panels without climate control.