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PA-23 True RMS Three-Phase Current Transmitter for Power Monitoring

A True RMS three-phase current transmitter providing isolated, high-accuracy A/B/C phase measurement and flexible outputs for power monitoring and PLC/DCS control.
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PA-23 AC Current Transmitter

Stable Three-Phase Current Performance for Industrial Monitoring

Stable Three-Phase Current Performance for Industrial Monitoring

PA-23 is a current transmitter designed around “Stable Three-Phase Current Performance for Industrial Monitoring.” Improves three-phase current stability, response or operating efficiency under changing field conditions. The stated operating range, accuracy, response, overload or stability feature supports more dependable data under changing field conditions. The feature is directly relevant to power distribution, electrical monitoring and industrial process 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.

Standard Current Input Output for Control Systems

Standard Current Input Output for Control Systems

PA-23 is a current transmitter designed around “Standard Current Input Output for Control Systems.” Supports 1A, 5A, 10A for stable current input measurement and system integration. The standardized signal path routes the measured value to PLCs, DCS platforms, displays or remote monitoring equipment. The confirmed values highlighted here are 1A, 5A, 10A. The feature is directly relevant to power distribution, electrical monitoring and industrial process projects. Connect field measurements directly to existing plc and monitoring systems, helping engineers keep the installation, inspection and signal path easier to manage during long-term operation.

Flexible Multi-channel Three-Phase Current Integration

Flexible Multi-channel Three-Phase Current Integration

PA-23 is a current transmitter designed around “Flexible Multi-channel Three-Phase Current Integration.” Multiple channel arrangements support centralized three-phase current 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 industrial process 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.

Working Principle Diagram

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Technical Specifications

Rated Input Range:AC 0–1 A / 0–5 A standard CT secondary input; supports customization for non-standard ranges


Overload Tolerance:2x rated continuous operation; 10x rated instantaneous withstand capacity for 10 seconds


Standard Transmitter Output:Three independent DC channels: 4–20 mA / 0–20 mA / 0–5 V / 0–10 V


Maximum Load Resistance for 4–20 mA Output:≤600 Ω


Minimum Load Impedance for Voltage Output:≥10 kΩ


Overall Accuracy of the Unit @ 25°C:Class 0.2, ±0.2% FS


Independent Linearity Error per Channel:±0.1% FS


Temperature Drift Across the Full Temperature Range:≤100 ppm/°C FS


Consistency Deviation Among Three Channels:≤0.15% FS, with strong comparability of data between phases


Step Response Time (90% Steady-State Output):≤400 ms

Dimension Chart

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Wiring Diagram

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