Technical data
EL3773
Number of inputs
3 x current, 3 x voltage
Technology
3-phase power monitoring for alternating/direct voltages
Signal type
single-ended
Oversampling factor
n = 1…100 selectable
Distributed clocks
yes
Conversion time
min. 100 µs, all channels simultaneously
Measured values
current (I1, I2, I3), voltage as instantaneous values (oversampling)
Measuring voltage
max. 500 V AC 3~ (ULX-N: max. 288 V AC), max. 410 V DC
Measuring current
max. 1 A (AC)/1.5 A (DC), via measuring transformers x A AC/1 A AC
Measuring range, technical
generally 100 % of the nominal measuring range, see documentation
Resolution
16 bit (incl. sign)
Measuring error
0.5 % relative to full scale value
Electrical isolation
2500 V
Current consumption power contacts
–
Current consumption E-bus
200 mA
Special features
oversampling, AC/DC measurement, optional single-phase operation, adjustable hardware filters
Weight
approx. 75 g
Operating/storage temperature
0…+55 °C/-25…+85 °C
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/variable
Approvals/markings
CE, UL
