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EL3446 | EtherCAT Terminal, 6-channel analog input, current, 1 A, 24 bit, distributed power measurementPreferred type

Image similar, may contain optional accessories
EL3446 | EtherCAT Terminal, 6-channel analog input, current, 1 A, 24 bit, distributed power measurement

EL3446 | EtherCAT Terminal, 6-channel analog input, current, 1 A, 24 bit, distributed power measurement

Run LED
L1 OK
L2 OK
L3 OK
Error LED
L4 OK
L5 OK
L6 OK
IL1
IL2
IL3
N
IL4
IL5
IL6
N
Top view 
Contact assembly 
EL3446 | EtherCAT Terminal, 6-channel analog input, current, 1 A, 24 bit, distributed power measurement

EL3446 | EtherCAT Terminal, 6-channel analog input, current, 1 A, 24 bit, distributed power measurement

Distributed Clocks: the integrated time management system in EtherCAT

Distributed power measurement with SCT current transformers

Highly scalable: EtherCAT Terminals for energy management

Measurement technology easily configured: Analog EtherCAT input terminals.

Measurement technology simply integrated: With the analog EtherCAT Terminals.

Distributed Clocks: the integrated time management system in EtherCAT

Distributed power measurement with SCT current transformers

Highly scalable: EtherCAT Terminals for energy management

Measurement technology easily configured: Analog EtherCAT input terminals.

Measurement technology simply integrated: With the analog EtherCAT Terminals.

The EL3446 EtherCAT Terminal enables the measurement of all relevant electrical data of the supply network and carries out simple pre-evaluation. Since the EL3446 itself has no voltage inputs, the voltage measured values are transmitted via EtherCAT by an EL3443 to be installed once per network. The current of up to six phases is fed via simple current transformers. All measured currents and voltages are available as root-mean-square values. In the EL3446 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 EL3446 offers extended functionality for mains analysis and energy management.

Product status:

regular delivery

Product information

Technical dataEL3446
Number of inputs6 x current
Oversampling factor
Distributed clocksoptional (necessary for distributed power measurement)
Update interval100 ms
Measured valuescurrent (and with the EL3443: voltage, effective, reactive and apparent power, active, reactive and apparent energy, cos φ, frequency, THD, harmonic (up to 40th harmonic))
Measuring voltage
Measuring currentmax. 1 A (AC/DC), via measuring transformers x A/1 A
Measurement error/uncertainty0.3% relative to full scale value (I),
0.6% calculated value (see documentation)
Update timenet-synchronous
Monitoring functionundercurrents/overcurrents (adjustable)
Electrical isolation2500 V
Current consumption power contacts
Current consumption E-bustyp. 120 mA
Special featuresIn combination with an EL3443, the EL3446 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
Approvals/markingsCE, UL
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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