SensAct 1-phase Power Meter AC up to 800V and 300A and DC up to 1000V and 400A with Modbus RTU / RS485 interface, DIN rail mounting, Frequency range DC or 1 to 400Hz; Measurements: Irms, Vrms, Watt, Var, Va, Vpk, Ipk, Frequency, Cos?, Energy bidirectional, THD