--- Epcos Power Factor Controller Br 5016 Manual Pdf [top] Now

415 V AC (L-L) with a range of +20% to -30% at 50Hz. Capacity: 16-step control for 3-phase capacitors.

The EPCOS engineers explicitly warn against these errors: --- Epcos Power Factor Controller Br 5016 Manual Pdf

Current transformers must be installed such that the load current flows through them. The compensation network outputs must be installed behind the CT in the direction of current flow. 415 V AC (L-L) with a range of +20% to -30% at 50Hz