DC converter for regenerative or motoring loads
The ABB 3ADT218520S0113 is a DCS880-S01-0290-06 DC converter, a 2-quadrant unit rated for 600 VAC input and 290 A output. Frame size H3 houses the power stage and control electronics. It operates on a 50 Hz supply. Three analog inputs and two analog outputs are available for speed/current references, tachometer feedback, or process signals. The auxiliary terminals carry an IP00 degree of protection per IEC 60529 and IEC 60947-1 — meaning the main enclosure provides the environmental seal; the aux wiring points are open to the cabinet air.
Acoustic and environmental notes
Sound pressure level is rated at 60 dB(A) — typical for a forced-cooled drive of this frame size. Operating humidity range is 5 to 95 % RH, non-condensing. The IP00 rating on auxiliary terminals means those connections are not touch-safe without the cabinet door closed; plan for finger-safe covers or terminal shrouds if the panel is live during maintenance.