Opis produktu

Multi-measurement • Currents - I1, I2, I3, In, Isystem • Voltages & frequency - V1, V2, V3, VN, Vsystem, U12, U23, U31, Usystem, f • Powers - P1, P2, P3, ΣP, Q1, Q2, Q3, ΣQ, S1, S2, S3, ΣS - Predictive powers ΣP, ΣQ, ΣS • Power factor - PF1, PF2, PF3, ΣPF • Cos ϕ & tangent ϕ - Instantaneous values per phase Metering • Active energy: +/- kWh • Reactive energy: +/- kvarh • Apparent power: kVAh • Multi-tariff (8 max.) • Hour Meter Quality • Voltage Unbalance - Vdir, Vinv, Vhom, Udir, Uinv, Unba, Vnba, Vnb, Unb • Current unbalance - Idir, Iinv, Ihom, Inba, Inb • Total harmonic distortion - Currents THDi1, THDi2, THDi3,THDiN, TDDI - Phase-to-neutral voltage THDv1, THDv2, THDv3 - Phase-to-phase voltage THDu12, THDu23, THDu31 • Individual harmonics up to rank 63 - Currents: I1h, I2h, I3h, INh - Phase-to-neutral voltage: V1h, V2h, V3h - Phase-to-phase voltage: U12h, U23h, U31h • Quality events - Voltage sags, cut-offs and swells EN50160 - Kfactor & Crest factor • Events according to EN 50160 - Voltage dips, outages, voltage surges Monitoring of protection • Auxiliary contact monitoring • Report and alarm on trips • Number of operations Load curves and historical records (max. 130 days) • Active, reactive and apparent power • Currents, voltages and frequency Alarms • Alarms for all electrical values, events and input status changes, possibility of logical combination • Time-stamping of events Communication • DIRIS A-40 RS485 Modbus as standard • DIRIS A-40 Ethernet Modbus • DIRIS A-40 PROFIBUS DPV1 Inputs • 3 digital inputs - Power supplied from DIRIS A-40 or an external source - Function: logic status, status of circuit breaker, counting of pulses or synchronization multifluid metering • 2 logical outputs - Function: Command, energy pulse output, load sheeding, alarm