Digital real power meter with partial real power meter that can be set to zero and featuring integrated Modbus RTU communication - 2 tariffs, real power meter with real power partial meter for direct connection 0.25-5 (63) A, and integrated Modbus RTU communications - 2 tariffs, for direct connection up to 63 A, display with 9 numbers for showing 8 power registers, wrong connection signal (phase mix-up and phase failure), accuracy class 1 for real power and power as per EN 50470-3 (B), perfect operating current range (Ist ... Imax), for direct connection 63 A = 0.015 ... 63 A, power register can be set to zero (not on MID type) , “Partial” power register can be set to zero in MID type as well, sealable terminal covers, power register for input and output