Article image KL3403

Beckhoff KL3403

KL3403 | 3-phase power measurement terminal

On Request. Please send us an email to inquire the price and avaliability.
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Description

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 parameters

Number of inputs: 3 phases + N
Technology: 3-phase connection technique
Measured values: current, voltage, effective power, energy, cos φ, peak values U, I and P, frequency
Measuring voltage: max. 500 V AC 3~ (ULX-N: max. 288 V AC)
Resolution: 16 bit (21 bit, internal)
Measuring current: max. 1 A, via measuring transformers x A/1 A
Measuring error: 0.5 % relative to full scale value (U, I), 1 % calculated value
Measuring procedure: true RMS with 64,000 samples/s
Update time: 50 ms per measured value preset, free configurable
Electrical isolation: 1,500 V (K-bus/field potential)
Current consumption power contacts: – (no power contacts)
Current consumpt. K-bus: typ. 115 mA
Bit width in the process image: input/output: 3 x 16 bit data, 3 x 8 bit control/status
Special features: energy meter, power measurement, True RMS
Weight: approx. 75 g
Operating/storage temperature: -25…+60 °C/-40…+85 °C
Relative humidity: 95 %, no condensation
Vibration/shock resistance: conforms to EN 60068-2-6/EN 60068-2-27
EMC immunity/emission: conforms to EN 61000-6-2/EN 61000-6-4
Protect. class/installation pos.: IP 20/variable
Pluggable wiring: for all KSxxxx Bus Terminals
Approvals: CE, UL

Logistic parameters

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