The Rogowski current sensor is used for current monitoring in conjunction with the ABB arc fault protection system TVOC-2 and current monitoring unit CSU-2. The Rogowski coils are attached to the current monitoring unit with RJ45 connectors using a simple plug-in technology. The Rogowski sensors are available in 2 different diameters (120 and 200mm), as well as 4 different cable lengths (5, 10, 15 and 30m).