Technical data
EL3443-0020
Number of inputs
3 x current, 3 x voltage
Technology
3-phase power measurement
Oversampling factor
–
Distributed clocks
optional
Update interval
one mains period (20 ms at 50 Hz)
Update time
net-synchronous
Measured values
current, voltage, effective, reactive and apparent power, active, reactive and apparent energy, cos ?, frequency, THD, harmonic (up to 40th harmonic)
Measuring voltage
max. 480 V AC 3~ (ULX-N: max. 277 V AC/240 V DC)
Measuring current
max. 1 A (AC/DC), via measuring transformers x A/1 A
Measuring error
0.3 % relative to full scale value (U/I), 0.6 % calculated value (see documentation)
Monitoring function
phase order, phase failure, phase asymmetry, undervoltage/overvoltage (adjustable)
Electrical isolation
2500 V
Current consumption power contacts
–
Current consumption E-bus
typ. 120 mA
Special features
mains monitoring, precise detection of zero voltage crossing, optional single-phase operation, with calibration certificate
Weight
approx. 75 g
Operating/storage temperature
-25…+60 °C/-40…+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
