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PA-20 AC Current Transmitter for Power Distribution Monitoring

A practical DIN-rail AC current transmitter that converts standard 1A/5A/10A power-frequency inputs into flexible analog outputs for reliable distribution and industrial monitoring.
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PA-20 AC Current Transmitter

PA-20 Current Transmitter showing reliable ac current measurement conversion

Reliable AC Current Measurement & Conversion

PA-20 is a current transmitter designed around “Reliable Ac Current Measurement & Conversion.” Supports 1A, 5A, 10A, AC for stable AC current measurement and system integration. The sensing structure converts the physical process variable into a clear signal for industrial monitoring and automation. The confirmed values highlighted here are 1A, 5A, 10A, AC. The feature is directly relevant to power distribution, electrical monitoring and control cabinet projects. Improve measurement clarity and maintenance efficiency in power distribution applications, helping engineers keep the installation, inspection and signal path easier to manage during long-term operation.

PA-20 Current Transmitter showing flexible multi-channel industrial signal integration

Flexible Multi-channel Industrial Signal Integration

PA-20 is a current transmitter designed around “Flexible Multi-channel Industrial Signal Integration.” Multiple channel arrangements support centralized industrial signal monitoring. The channel and model arrangement makes it easier to match the number of field points without changing the overall cabinet architecture. The feature is directly relevant to power distribution, electrical monitoring and control cabinet projects. Handle more monitoring points with fewer separate cabinet modules, helping engineers keep the installation, inspection and signal path easier to manage during long-term operation.

PA-20 Current Transmitter showing stable industrial signal performance for industrial monitoring

Stable Industrial Signal Performance for Industrial Monitoring

PA-20 is a current transmitter designed around “Stable Industrial Signal Performance for Industrial Monitoring.” Supports DC80–265V, DC12V, DC24V, AC, DC for stable industrial signal measurement and system integration. The stated operating range, accuracy, response, overload or stability feature supports more dependable data under changing field conditions. The confirmed values highlighted here are DC80–265V, DC12V, DC24V, AC. The feature is directly relevant to power distribution, electrical monitoring and control cabinet projects. Maintain clearer trend data during long-term industrial operation, helping engineers keep the installation, inspection and signal path easier to manage during long-term operation.

Working Principle Diagram

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Technical Specifications

Rated Input Current Range:AC 0–1 A / 0–5 A / 0–10 A (standard CT secondary input); low-current ranges available upon request


Rated Input Voltage Drop (at 5 A):≤0.5 VA, compatible with standard current transformers, no additional load loss


Measurement Principle:Averaging response, compatible with standard sinusoidal power-frequency grid waveforms


Compatible Signal Frequency:45–65 Hz standard power frequency, no intermediate-frequency extension


Maximum Output Load Resistance (4–20 mA Current Output):≤500 Ω


Minimum Output Load Impedance (0–5 V / 0–10 V):≥10 kΩ


Step Response Time (until output reaches 90% of steady-state value):≤400 ms


Temperature Drift Coefficient (within the operating temperature range):≤200 ppm/°C FS


Independent Linearity Error:±0.15% FS


Overall Accuracy of the Unit @ 25°C Ambient Temperature:Standard Class 0.5 ±0.5% FS; no high-precision custom settings


Standard Transmitter Output Signals:4–20 mA, 0–20 mA, 0–5 V, 0–10 V, RS485

Dimension Chart

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Wiring Diagram

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