... branch circuitsDI Module No need aux. contact, directly monitor branch circuit status Each status input has a indictor light.CT Module ... , MODBUS communication port. MeasurementØ2 main circuits monitoring Include: U, I, P, PF, F, kWh, Demand, Harmonic, Current unbalance ØMax ... . 3 strips CT, Max. 63 branch circuits monitoring Include: I, P, PF, kWh, DemandTechnical Specification Power supply85~265V AC ...