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BSA-I High Accuracy AC Current Transmitter for Industrial Monitoring

A DIN-rail AC current transmitter with multiple input/output ranges, 0.5% accuracy, and electrical isolation for reliable industrial signal conversion.
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BSA-I AC Current Transmitter

BSA-I Current Transmitter showing reliable ac current measurement conversion

Reliable Ac Current Measurement & Conversion

BSA-I is a current transmitter designed around “Reliable Ac Current Measurement & Conversion.” Supports AC0~20A, 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 AC0~20A, AC. The feature is directly relevant to motor circuit, electrical monitoring and industrial process projects. Improve measurement clarity and maintenance efficiency in motor circuit applications, helping engineers keep the installation, inspection and signal path easier to manage during long-term operation.

50Hz Frequency Measurement Range

50Hz Frequency Measurement Range

BSA-I is a current transmitter designed around “50Hz Frequency Measurement Range.” Supports 50Hz, 400Hz for stable frequency 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 50Hz, 400Hz. The feature is directly relevant to motor circuit, 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.

Designed for Centralized DCS Monitoring

Designed for Centralized DCS Monitoring

BSA-I is a current transmitter designed around “Designed for Centralized DCS Monitoring.” Provides dependable industrial signal measurement for industrial automation systems. The product is organized around this specific field requirement without adding unrelated functions to the measuring point. The confirmed values highlighted here are DC. The feature is directly relevant to motor circuit, electrical monitoring and industrial process projects. Improve measurement clarity and maintenance efficiency in motor circuit applications, 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:AC 0–1 A / 0–5 A / 0–10 A (standard CT secondary input); low-current ranges available upon request


Input Voltage Drop (at 5A Rated Current):≤0.5 VA, compatible with standard current transformers


Measurement Principle:Averaging response, compatible with sinusoidal power grid at line frequency


Compatible Signal Frequency:45–65 Hz standard power frequency


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


Minimum Output Load Impedance:≥10 kΩ


Step Response Time (90% Steady-State Output):≤300 ms


Temperature Drift Coefficient (Across the Entire Operating Temperature Range):≤200 ppm/°C FS


Independent Linearity Error:±0.15% FS


Overall Accuracy of the Unit @ 25°C Ambient Temperature:±0.5% FS (Class 0.5)


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

Dimension Chart

L*W*H : 92mm x 23mm x 135mm

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Wiring Diagram

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