Technical data
EL3783
Number of inputs
3 x current, 3 x voltage
Technology
3-phase power monitoring for alternating voltages
Signal type
single-ended
Oversampling factor
n = 1…100 selectable
Distributed clocks
yes
Conversion time
50 µs, all channels simultaneously
Measured values
current (I1, I2, I3), voltage as instantaneous values (oversampling)
Measuring voltage
max. 690 V AC 3~ (ULX-N: max. 400 V AC)
Measuring current
max. 1 A (AC)/5 A (AC), via measuring transformers x A AC/1 A AC or 5 A AC
Measuring range, technical
generally 130 % of the nominal measuring range, see documentation
Resolution
16 bit (incl. sign)
Measuring error
0.2 % relative to full scale value
Electrical isolation
4500 V
Current consumption power contacts
–
Current consumption E-bus
typ. 260 mA
Special features
oversampling, AC measurement, optional single-phase operation, adjustable automatic switch of current measuring range, electrically isolated current inputs
Weight
approx. 100 g
Operating/storage temperature
0…+55 °C/-25…+85 °C (-25…+60 °C/-40…+85 °C in preparation)
Relative humidity
95 %, no condensation
Vibration/shock resistance
conforms to EN 60068-2-6/EN 60068-2-27
EMC immunity/emission
conforms to EN 61000-6-2/EN 61000-6-4
Protect. class/installation pos.
IP 20/see documentation
Approvals/markings
CE