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Headquarters Australia
Beckhoff Automation Pty. Ltd.

Building 4, 163–179 Forster Road
Mount Waverley, VIC 3149, Australia

+61 3 9912 5430
info@beckhoff.com.au
www.beckhoff.com/en-au/

EL3444 | EtherCAT Terminal, 4-channel analog input, current, 10 A AC/DC, 24 bit, distributed power measurement, electrically isolated

Image similar, may contain optional accessories
EL3444 | EtherCAT Terminal, 4-channel analog input, current, 10 A AC/DC, 24 bit, distributed power measurement, electrically isolated

EL3444 | EtherCAT Terminal, 4-channel analog input, current, 10 A AC/DC, 24 bit, distributed power measurement, electrically isolated

Run LED
I1-OK
I2-OK
I3-OK
Error LED
I4 OK
Current
measurement I1
Current
measurement I2
Current
measurement I3
Current
measurement I4
Top view 
Contact assembly 
Image similar, may contain optional accessories
EL3444 | EtherCAT Terminal, 4-channel analog input, current, 10 A AC/DC, 24 bit, distributed power measurement, electrically isolated

SCT5564 Ring-type CT and EL3444 power measurement terminal

EL3444 | EtherCAT Terminal, 4-channel analog input, current, 10 A AC/DC, 24 bit, distributed power measurement, electrically isolated

EL3444 | EtherCAT Terminal, 4-channel analog input, current, 10 A AC/DC, 24 bit, distributed power measurement, electrically isolated

EL3444 | EtherCAT Terminal, 4-channel analog input, current, 10 A AC/DC, 24 bit, distributed power measurement, electrically isolated

SCT5564 Ring-type CT and EL3444 power measurement terminal

The EL3444 EtherCAT Terminal enables the measurement of all relevant electrical data of the supply network and carries out simple pre-evaluation. Since the EL3444 itself has no voltage inputs, the voltage measured values are transmitted via EtherCAT by an EL3453 to be installed once per network. The current of up to six galvanically isolated phases is fed in directly. All measured currents and voltages are available as root-mean-square values. In the EL3444 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 EL3444 offers extended functionality for mains analysis and energy management.

Product status:

product announcement | estimated market release 4th quarter 2024

Product information

Technical dataEL3444
Number of inputs4 x current
Oversampling factor
Distributed clocksoptional (necessary for distributed power measurement)
Update interval100 ms
Measured valuescurrent (and with the EL3453: voltage, effective, reactive and apparent power, active, reactive and apparent energy, cos φ, frequency, THD, harmonic (up to 63rd harmonic))
Measuring voltage
Measuring current10 A (AC/DC), potential-free
Measurement error/uncertainty1% relative to full scale value (I), 1.25% calculated value, see documentation
Update timenet-synchronous
Monitoring functionundercurrents/overcurrents (adjustable)
Electrical isolation4500 V
Current consumption power contacts
Current consumption E-bustyp. 120 mA
Special featuresIn combination with an EL3453, the EL3444 allows the measurement of real power values (for apparent, reactive and active power) via distributed power measurement.
Operating/storage temperature0…+55°C/-25…+85°C
Weightapprox. 75 g
Relative humidity95%, no condensation
Vibration/shock resistanceconforms to EN 60068-2-6/EN 60068-2-27
Housing dataEL-12-8pin
Design formcompact terminal housing with signal LEDs
Materialpolycarbonate
Dimensions (W x H x D)12 mm x 100 mm x 68 mm
Installationon 35 mm DIN rail, conforming to EN 60715 with lock
Side by side mounting by means ofdouble slot and key connection
Markinglabeling of the BZxxx series
Wiringsolid conductor (s), flexible conductor (st) and ferrule (f): spring actuation by screwdriver
Connection cross-sections*: 0.08…2.5 mm²,
st*: 0.08…2.5 mm²,
f*: 0.14…1.5 mm²
Connection cross-section AWGs*: AWG28…14,
st*: AWG28…14,
f*: AWG26…16
Stripping length8…9 mm
Current load power contactsImax: 10 A

*s: solid wire; st: stranded wire; f: with ferrule

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