Rayfull EI900 96×96mm panel-mount three-phase power analyzer with RS485 Modbus RTU. Measures voltage, current, four-quadrant power, power factor, harmonics, unbalance and crest factor with bi-directional energy registers — a clean front-of-panel display for DBs, MCCs and gensets.
Lead time: 8 - 10 Days
Key specifications
Class 0.5 active energy, Class 2 reactive (IEC 62053-21/22); Class 0.05 frequency
3×230/400V AC (30–350V L-N, 30–660V L-L), 45–65Hz; PT input up to 600kV
CT input 1A/5A (default) or 100mA/mV optional; primary 1–9999A programmable
1P2W / 2P3W / 3P3W / 3P4W network configurations
Bi-directional import/export active and reactive energy, four-quadrant
Total and fractional harmonic content, imbalance, crest factor
30 SOE (sequence of events) records
4 tariffs, 8 time segments; monthly and daily energy statistics
RS485 Modbus RTU / DL/T645-2007, 1200–38400bps
CT reverse-connect correction function
Auxiliary supply 80–300V AC / 100–420V DC
Large backlit LCD with touch buttons
96×96mm panel cut-out, 65mm depth, IP51 front / IP30 body
−25°C to +55°C operating, 4kV AC insulation
CTs sold separately — see Rayfull CTS-T split-core CTs