Technical dataEL3403, ES3403
Number of inputs3 x current, 3 x voltage
Technology3-phase power measurement for alternating voltages
Oversampling factor
Distributed clocks
Resolution1 µA, 0.1 mV, 10 mW
Conversion timemains-synchronous
Measured valuescurrent (I1, I2, I3), voltage, effective power, reactive power, apparent power, energy, cos φ, frequency
Measuring voltagemax. 500 V AC 3~ (ULX-N: max. 288 V AC)
Measuring currentmax. 1 A (AC), via measuring transformers x A/1 A
Measuring error0.5 % relative to full scale value (U/I), 1 % calculated value
Measuring proceduretrue RMS
Update timenet-synchronous
Electrical isolation1500 V
Current consumption power contacts
Current consumption E-bustyp. 120 mA
Bit width in the process image62 byte PM input, 3 byte PM output
Special featurestrue RMS value calculation, optional single-phase operation
Weightapprox. 75 g
Operating/storage temperature-25…+60 °C/-40…+85 °C
Relative humidity95 %, no condensation
EMC immunity/emissionconforms to EN 61000-6-2/EN 61000-6-4
Vibration/shock resistanceconforms to EN 60068-2-6/EN 60068-2-27
Protect. rating/installation pos.IP20/variable
Pluggable wiringfor all ESxxxx terminals
Approvals/markingsCE, UL