The EL3443 EtherCAT Terminal enables the measurement of all relevant electrical data of the supply network and carries out simple preevaluation. The voltage is measured via direct connection of L1, L2, L3 and N. The current of the three phases L1, L2 and L3 is fed via simple current transformers. All measured currents and voltages are available as rootmeansquare values. In the EL3443 Terminal, the effective power and energy consumption for each phase are calculated. The RMS values of voltage U and current I as well as the active power P, apparent power S, reactive power Q, frequency f, phase shift angle cos φ and harmonic are available. The EL3443 offers extended functionality for mains analysis and energy management.
Technical data  EL3443  EL34430010 

Number of inputs  3 x current, 3 x voltage  
Technology  3phase power measurement  
Oversampling factor  –  
Distributed clocks  optional  
Update interval  one mains period (20 ms at 50 Hz)  
Measured values  current, voltage, effective power, reactive power, apparent power, active energy, reactive energy, apparent energy, cos φ, frequency, THD, harmonic (up to 40th harmonic)  
Measuring voltage  max. 480 V AC 3~ (ULXN: max. 288 V AC/DC)  
Measuring current  max. 1 A (AC/DC), via measuring transformers x A/1 A  max. 5 A (AC/DC), via measuring transformers x A/5 A 
Measuring error  0.3 % relative to full scale value (U/I), 0.6 % calculated values (see documentation) 

Update time  netsynchronous  
Electrical isolation  1500 V  
Current consumption power contacts  –  
Special features  singlephase operation possible, mains monitoring functionality, precise detection of zero voltage crossing  
Operating/storage temperature  0…+55 °C/25…+85 °C  
Relative humidity  95 %, no condensation  
Vibration/shock resistance  conforms to EN 6006826/EN 60068227  
Related products  

EL3423  3phase energy measurement terminal Economy 
EL3483  3phase grid status terminal for voltage, frequency and phases 
Product announcement 
estimated market release 2nd quarter 2018 