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KXT43I Three-phase AC Current Transmitter
One compact device converts A, B, and C phase current signals simultaneously.
The KXT43I is engineered to measure A, B, and C phase currents within a single, highly integrated three-phase transmitter. Traditionally, monitoring a three-phase system required the installation and wiring of three separate single-phase current modules, which consumed valuable cabinet space and increased installation time. By combining all three phases into one unified device, the KXT43I significantly reduces wiring complexity and keeps the control cabinet layout much more compact and organized.
Accurately converts AC0–50A current into a stable, linear DC analog output.
Designed for continuous and demanding industrial applications, the KXT43I effectively converts three-phase AC current ranging from 0 to 50A into standard, linear DC analog outputs. This specific 0-50A measurement range is optimally suited for monitoring heavy-duty equipment, industrial motors, and main distribution circuits where tracking all three phase currents simultaneously is critical for operational safety. The highly linear conversion process ensures that programmable logic controllers (PLCs), digital meters, and data acquisition modules can interpret phase variations in a perfectly consistent and standardized format.
Supports both standard DIN rail mounting and direct panel screw fixing.
To accommodate a wide variety of industrial environments and enclosure designs, the KXT43I current transmitter features a versatile dual-mounting mechanism that supports both standard DIN rail installation and direct panel screw fixing. The DIN rail mounting option is highly efficient for modular control cabinets, allowing the device to align perfectly with existing terminal blocks, power supplies, and circuit breakers for a clean, professional layout.
Working Principle Diagram
Number of Measurement Channels:3 independent channels (A/B/C three-phase)
Signal Input Method:Three-phase independent through-hole design; cables pass directly through the corresponding test holes
Standard Rated Range:AC 0–1 A / 0–5 A / 0–10 A / 0–15 A / 0–50 A; factory-calibrated for the same range across all three phases
Single-Hole Measurement Diameter:Φ8 mm; compatible with single power cables ≤6 mm² or CT secondary-side wires
Compatible Signal Frequency:Universal for 45–65 Hz power frequency
Standard Transmitter Output Signal:Three independent channels: 4–20 mA / 0–20 mA / 0–5 V / 0–10 V, with a common ground
Maximum Load Resistance for Single Channel (4–20 mA):≤500 Ω
Minimum Load Impedance for Voltage Output:≥10 kΩ
Step Response Time for Single Channel (90% Steady State):≤300 ms
Temperature Drift Coefficient Across Full Temperature Range:≤200 ppm/°C FS
Independent Linearity Error per Channel:±0.15% FS
Dimension Chart
Wiring Diagram