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KL3453 | Bus Terminal, 3-channel analog input, power measurement, 690 V AC, 0.1/1/5 A, 24 bit, electrically isolated

KL3453 | Bus Terminal, 3-channel analog input, power measurement, 690 V AC, 0.1/1/5 A, 24 bit, electrically isolated

KL3453 | Bus Terminal, 3-channel analog input, power measurement, 690 V AC, 0.1/1/5 A, 24 bit, electrically isolated

IL1 OK, IL1 Error
IL2 OK, IL2 Error
IL3 OK, IL3 Error
IN OK, IN Error
Run, System
L1 OK, L1 Error
L2 OK, L2 Error
L3 OK, L3 Error
Current
measurement IL1
Current
measurement IL2
Current
measurement IL3
Current
measurement IN
L1
L2
L3
N
Top view 
Contact assembly 
KL3453 | Bus Terminal, 3-channel analog input, power measurement, 690 V AC, 0.1/1/5 A, 24 bit, electrically isolated

KL3453 | Bus Terminal, 3-channel analog input, power measurement, 690 V AC, 0.1/1/5 A, 24 bit, electrically isolated

The KL3453 power measurement bus terminal with up to 690 V AC, the voltage inputs are optimized for the direct monitoring of high-capacity generators, as in the wind power industry, for example. No upstream voltage transformer is required. The four current inputs are electrically isolated so that the terminal can be used in all common grounded current transformer configurations such as 2- or 3-transformer configurations with star or delta connection incl. neutral conductor current measurement. The KL3453 can be used for simple grid analysis up to the 63rd harmonics analysis. Alternatively, all readings can be combined in a power quality factor for simplified diagnostics. The KL3453 offers the ExtendedRange feature enabling the use of the full technical measuring range, which equals 130% of the specified nominal measuring range.

Product status:

product announcement | estimated market release 3rd quarter 2024

Product information

Technical dataKL3453
Number of inputs4 x current, 3 x voltage
Technology3-phase power measurement
Measured valuescurrent, voltage, effective, reactive and apparent power, active, reactive and apparent energy, cos φ, frequency, THD, harmonic (up to 63rd harmonic)
Measuring voltagemax. 690 V AC 3~ (ULX-N: max. 400 V AC)
Measuring currentadjustable, 100 mA AC, 1 A AC (default), 5 A AC; potential-free
Measurement error/ uncertainty0.3% relative to full scale value (U/I), 0.6% calculated value (see documentation)
Update timenet-synchronous with up to 10 ms at 50 Hz
Electrical isolation4500 V
Current consumption power contacts
Current consumption K-bustyp. 200 mA
Bit width in the process imageinput/output: 4 x 32 bit data, 4 x 16 bit control/status
Special featuresmains monitoring, optional single-phase operation
Operating/storage temperature0…+55°C/-25…+85°C
Relative humidity95%, no condensation
Vibration/shock resistanceconforms to EN 60068-2-6/EN 60068-2-27
EMC immunity/emissionconforms to EN 61000-6-2/EN 61000-6-4
Approvals/markingsCE
Housing dataKL-24-2x8pin
Design formcompact terminal housing with signal LEDs
Materialpolycarbonate
Dimensions (W x H x D)24 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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