BECKHOFF KS3403 3-phase power measurement terminal

KL3403 | 3-phase power measurement terminal

The KL3403 Bus Terminal enables the measurement of all relevant electrical data of the supply network. The voltage is measured via the 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 root-mean-square values. In the KL3403 version, the effective power and the energy consumption for each phase are calculated. Through the relationship of the root-mean-square values of voltage U * current I and the effective power P, all other information such as the apparent power S or the phase shift angle cos φ can be derived. For each fieldbus, KL3403 provides a comprehensive network analysis and an energy management option.

Technical dataKL3403 | KS3403Number of inputs3 phases + NTechnology3-phase connection techniqueMeasured valuescurrent, voltage, effective power, energy, cos φ, peak values U, I and P, frequencyMeasuring voltagemax. 500 V AC 3~ (ULX-N: max. 288 V AC)Resolution16 bit (21 bit, internal)Measuring currentmax. 1 A, via measuring transformers x A/1 AMeasuring error0.5 % relative to full scale value (U, I), 1 % calculated valueMeasuring proceduretrue RMS with 64,000 samples/sUpdate time50 ms per measured value preset, free configurableElectrical isolation1,500 V (K-bus/field potential)Current consumption power contacts– (no power contacts)Current consumpt. K-bustyp. 115 mABit width in the process imageinput/output: 3 x 16 bit data, 3 x 8 bit control/statusSpecial featuresenergy meter, power measurement, True RMSWeightapprox. 75 gOperating/storage temperature-25…+60 °C/-40…+85 °CRelative humidity95 %, no condensationVibration/shock resistanceconforms to EN 60068-2-6/EN 60068-2-27EMC immunity/emissionconforms to EN 61000-6-2/EN 61000-6-4Protect. class/installation pos.IP 20/variablePluggable wiringfor all KSxxxx Bus TerminalsApprovalsCE, ULSpecial terminalsKL3403-00103-phase power measurement terminal, current path designed for 5 A transducer (1 % measuring accuracy I),
operating/storage temperature: -25…+60 °C/-40…+85 °CKL3403-00203-phase power measurement terminal, current path designed for 20 mA, optimised for electronic current transformer,
operating/storage temperature: 0…+55 °C/-25…+85 °CKL3403-00223-phase power measurement terminal, current path and voltage input designed for 20 mA,
operating/storage temperature: 0…+55 °C/-25…+85 °CKL3403-03333-phase power measurement terminal, 500 V AC, 333 mV AC,
operating/storage temperature: 0…+55 °C/-25…+85 °C

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