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Beckhoff EL3443
The EL3443 EtherCAT Terminal enables the measurement of all relevant electrical data of the supply network and carries out simple pre-evaluation. The voltage is measured via direct connection of L1, L…
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Description
The EL3443 EtherCAT Terminal enables the measurement of all relevant electrical data of the supply network and carries out simple pre-evaluation. The voltage is measured via direct connection of L1, L2, L3 and N. The current of the three phases L1, L2
Specification
| Number Of Inputs | 3 x current, 3 x voltage |
|---|---|
| Oversampling Factor | – |
| Distributed Clocks | optional |
| Update Interval | one mains period (20 ms at 50 Hz) |
| Measured Values | current, voltage, effective, reactive and apparent power, active, reactive and apparent energy, cos φ, 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 |
| Measurement Error/Uncertainty | 0.3% relative to full scale value (U/I), 0.6% calculated value (see documentation) |
| Update Time | net-synchronous |
| Monitoring Function | phase order, phase failure, phase asymmetry, undervoltage/overvoltage (adjustable) |
| Electrical Isolation | 2500 V |
| Current Consumption E Bus | typ. 120 mA |
| Current Consumption Power Contacts | – |
| Special Features | mains monitoring, precise detection of zero voltage crossing, optional single-phase operation |
| Weight | approx. 75 g |
| Operating Temperature | -25…+60°C |
| Storage Temperature | -40…+85°C |
| Relative Humidity | 95%, no condensation |
| Vibration/Shock Resistance | conforms to EN 60068-2-6/EN 60068-2-27 |
| Approvals/Markings | CE, UL |
| 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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