EL3443 | EtherCAT Terminal, 3-channel analog input, power measurement, 480 V AC/DC, 1 A, 24 bit

Technical data	EL3443
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
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
Approvals/markings	CE

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