What this contactor is
The ABB AF205-30-11-11 is a three-pole power contactor rated for 192 A, with a coil designed for 20-60 VDC. The 20-60 VDC coil range means it can be driven directly from a standard 24 VDC or 48 VDC control supply without a separate dropping resistor — handy when the van only carries one coil voltage.
What the 192 A rating means on site
The 192 A rating is the general-purpose (AC-1) thermal current. For motor switching (AC-3 duty), the contactor will have a lower make/break rating — the 192 A figure tells you the continuous current the main poles can carry in free air, not the starting inrush of a motor. On a real line, size the motor FLA at roughly 60-70% of that 192 A for AC-3 duty, and verify the coil seal-in voltage: the 20-60 VDC coil holds in at the low end, but if your control bus dips below 18 VDC during a brownout, the contactor drops out.
The three main poles are on the front, with the auxiliary contact block (the -30-11-11 suffix indicates two normally-open and two normally-closed aux contacts) mounted on the top. Coil terminals are clearly marked A1-A2; the 20-60 VDC coil is polarity-sensitive on some ABB AF designs, so check the wiring diagram before landing the DC supply. Terminals accept up to 120 mm² cable on the line/load side — sized for the 192 A continuous path.