F&F LE-03MQ CT - Technical Specification; Measured Parameters; Voltages and Currents; Power Factor, Frequency and Demand

LE-03MQ CT - User manual
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6. TECHNICAL SPECIFICATION
6.1. Measured parameters
The unit can monitor and display the following parameters of:
1P2W – 1-phase 2-wire system (230V+N)
3P3W – 3-phases 3-wire system (3×400V; without neutral wire)
3P4W – 3-phases 4-wire system (3×230V+N)
6.1.1. Voltages and currents
Reference voltage: 3×230/400V
Base current: 0,25÷10A
Maximum current: 100A
Minimum current measured: 0,02A
Overload: 30×Imax/10ms
Measuring range phase voltages: 100÷289 V AC (for 1P2W and 3P4W system).
Range of interphase voltages: 173÷500 V AC (for 3P3W system).
Percentage overall factor of total harmonic distortion (THD%) for the phase voltages (for systems
1P2W and 3P4W).
Percentage overall factor of total harmonic distortion (THD%) for interphase voltages (for 3P3W
system).
Percentage overall factor of total harmonic distortion (THD%) for the phase currents.
Insulation: 4 kV/1 min; 6 kV/1,2 μs
6.1.2. Power factor and frequency and max. demand
 Frequency in Hz
 Instantaneous power:
0÷3600 MW active:
reactive:
volt-amps:
0÷3600 Mvar
0÷3600 MVA
 Maximum power consumption (with RESET function)
 Maximum power consumption neutral wire (with RESET function)