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Beckhoff EL3444
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 vol…
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Description
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
Specification
| Number Of Inputs | 4 x current |
|---|---|
| Oversampling Factor | – |
| Distributed Clocks | optional (necessary for distributed power measurement) |
| Update Interval | 20 ms at 50 Hz and 5 ms with DC |
| Measured Values | current (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 Current | 10 A (AC/DC), potential-free |
| Measurement Error/Uncertainty | 1% relative to full scale value (I), 1.25% calculated value, see documentation |
| Update Time | net-synchronous |
| Monitoring Function | undercurrents/overcurrents (adjustable) |
| Electrical Isolation | 4500 V |
| Current Consumption E Bus | typ. 160 mA |
| Current Consumption Power Contacts | – |
| Special Features | In combination with an EL3453, the EL3444 allows the measurement of real power values (for apparent, reactive and active power) via distributed power measurement. |
| Weight | approx. 75 g |
| Operating Temperature | 0…55°C |
| Storage Temperature | -25…+85°C |
| Relative Humidity | 95%, no condensation |
| Vibration/Shock Resistance | conforms to EN 60068-2-6/EN 60068-2-27 |
| Design Form | compact terminal housing with signal LEDs |
| Material | polycarbonate |
| Installation | on 35 mm DIN rail, conforming to EN 60715 with lock |
| Side By Side Mounting By Means Of | double slot and key connection |
| Marking | labeling of the BZxxxx series |
| Wiring | solid conductor (s), flexible conductor (st) and ferrule (f): spring actuation by screwdriver |
| Connection Cross Section | s*: 0.08…2.5 mm², st*: 0.08…2.5 mm², f*: 0.14…1.5 mm² |
| Connection Cross Section Awg | s*: AWG28…14, st*: AWG28…14, f*: AWG26…16 |
| Stripping Length | 8…9 mm |
| Current Load Power Contacts | Imax: 10 A |
| Dimensions (W X H X D) | 12 mm x 100 mm x 68 mm |
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