Equips the main control unit (SCU200, SCU200-W) with metering capabilities and can measure all important variables of mains supply like current, voltage, powerfactor, current quadrant etc. It is possible to connect specific split core transformers (INS -CTX) with a rated current measurement capabilities of upto 80A. The data collected can be viewed on the SCU200's main web server and used for basic data export or advanced features like full energy monitoring, management of tariffs, and setting alarms.