Electronic 3-phase multifunction energy meter for 2 tariffs with 2 S0 interfaces, bidirectional, for 3-phase three-phase current, can also be used single-phase up to 80A, with dot matrix LCD display, background lighting, for 3 or 4-conductor systems, display of total consumption, partial consumption (resettable) kWh, kVAh, kvar - for tariff 1 and tariff 2, for all 3 phases or for each phase, Instantaneous values V, A, power factor, kW, KVA, kvar, frequency and current direction. LED consumption display: 1000 pulses per kWh, maximum current 80 A, short-term overcurrent (impulse current): 2400 A for 10 ms, starting current: 0.02 A, accuracy class B, series installation device for mounting rail 35 mm (EN 60715), width 52.5 mm, rated voltage 3 x 230 V AC, S0 interface: 500 pulses per kWh, counter is MID-compliant, connection cross-sections Main circuit: Single-wire 1.5 to 16 mm², multi-wire 1.5 to 25 mm², ambient temperature: -25 to + 70°C, protection class Housing/connections: IP50/IP20,