Three-phase meter EcoCount SL 85A, M-BUS, 0.25-585A, MID conformity assessed for delivery and consumption. The EcoCount SL meter in direct measurement design is a fully electronic electricity meter for permanent installation in three-phase four-wire networks or single-phase two-wire networks, intended to measure active electrical energy and register it in up to two energy tariffs. It is an indoor meter designed as a built-in device for mounting on DIN rails in a compact design of only one modular unit. The meter features a backlit display, menu navigation via two control buttons, and displays active, reactive, and apparent power, power factor, voltage, network frequency, and current for both total and per phase. Alarm functionality with parameterizable thresholds, tariff switching, reading, resettable meter register, phase failure detection, rotation field detection, reverse flow prevention, bidirectional meter, delivery and consumption, conformity assessment according to MID. The display capacity dynamically adjusts to consumption. Initially, it shows 5.3 for whole and decimal places. As consumption increases, the decimal point shifts up to the representation of 8.0, modular units, M-BUS, and S0 pulse output, future-proof with expansion interface and additional functions via EcoCount SL 85 MID M-Bus modules.