These are special Amstels for DC copper plating for PCB manufacturing.
Reverse air flow, bottom to top direction.
Basic menu control for Amstels.
Polar change with contactors.
Cathodic protection menu control for Amstels.
Polar electronic change over by mosfets .
Forward Pulse output (Chopper).
RS485 Modbus RTU/ASCII open protocol easy to integrate with SCADA or other controls PLC etc.
Vertical mounting holes Top and Bottom
USB parameterization option.