The ABB 3ADT218519S0242 is a DCS880-S02-0300-05 DC converter — a 4-quadrant regenerative unit rated for 525 VAC input and 300 A output, in Frame H2. Three analog inputs and two analog outputs are onboard for speed or torque reference and feedback. It runs on a 50 Hz supply.
Frame H2 is the mechanical envelope here — that determines panel cutout, gland plate layout, and busbar connection centers. The 300 A rating is the continuous output at the listed 525 VAC input; for a 4Q drive that means full regenerative braking current is also 300 A. Sound level sits at 55 dB(A) — roughly the noise of a quiet office, so no special acoustic enclosure needed unless the panel is in a noise-sensitive area.
Auxiliary terminals are rated IP00 per IEC 60529 and IEC 60947-1 — that means no ingress protection on the control wiring terminals, so they belong inside a panel with a minimum IP54 enclosure.