FCA3000 Three Phase Rogowski Coil converter




  • True RMS current measurement
  • PLC interface
  • Power monitoring and control systems
  • Individual machine loading
  • SCADA systems
  • Very high current measurement


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  • Three Rogowski coils input channels
  • Three true RMS DC outputs
  • One DC output for channels sum
  • 0÷20 mA, 4÷20 mA or 0÷10 VDC output
  • Response time selectable by jumpers
  • Suitable for three-phase systems
  • 3000 A standard full scale value
  • Customizable full scale up to hundreds kA
  • Compact 9 DIN modules size

Power supply
Rated voltage: 80÷260 VAC (45-65 Hz)
Consumption: 3 VA max

Measuring inputs
No.: 3
Type: for Rogowski coil with signal equalization
Sensitivity: 100 mV/kA standard value
Full scale: 3000 A @ 100 mV/kA standard value
from 300 A to 300 kA on request

Analog outputs
No.: 4
Type: 0÷20mA standard value
4÷20mA or 0÷10 VDC on request
Response time: 150 ms default value - selectable by jumpers from 50 to 150 ms approx.
Typical accuracy: ± 1% reading ± 0.3% full scale

Environmental conditions
Operating temperature: from -10°C to +50°C
Storage temperature: from -25°C to +60°C
Relative humidity: 75% max. without condensation

Case features
Material: plastic enclosure - noryl UL94-V0
Protection degree: IP51 (front panel); IP20 (terminals)
Terminals: conductors 2.5 mm2
Size / weight: 158x94x58 mm / 250 gr approx.

Standards compliance
Safety: 73/23/EEC and 93/68/EEC directives, EN61010.1 safety standard
EMC: 89/336/EEC directive and following modifications 93/31/EEC and 93/68/EEC, EN50081-2, EN50082-2, EN61326/A1