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BSA-U Wide Range AC Voltage Transmitter for Power Monitoring

A narrow-profile DIN-rail AC voltage transmitter with wide 0–1000V input and flexible analog/RS485 outputs for space-saving power monitoring integration.
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BSA-U Voltage Transmitter showing wide-range power supply compatibility

Reliable Industrial Signal Measurement & Conversion

BSA-U is a voltage transmitter designed around “Reliable Industrial Signal Measurement & Conversion.” Supports AC0–1000V, AC for stable industrial signal 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 AC0–1000V, AC. The feature is directly relevant to motor circuit, power monitoring and control cabinet 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.

BSA-U Voltage Transmitter showing reliable industrial signal measurement conversion

Wide-range Power Supply Compatibility

BSA-U is a voltage transmitter designed around “Wide-range Power Supply Compatibility.” Supports DC85–265V, 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 DC85–265V, DC24V, AC, DC. The feature is directly relevant to motor circuit, power 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.

BSA-U Voltage Transmitter showing protection-focused design for power-supply monitoring

Protection-focused Design for Power-supply Monitoring

BSA-U is a voltage transmitter designed around “Protection-focused Design for Power-supply 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 feature is directly relevant to motor circuit, power monitoring and control cabinet 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

Input Impedance:≥500 kΩ


Supported Input Voltage Ranges:AC 0–75 V/0–100 V/0–220 V/0–380 V/0–500 V/0–1000 V, customizable


Compatible Signal Frequencies:50/60 Hz power frequency, optional 40–400 Hz intermediate frequency


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


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


Step Response Time (Output Reaches 90% Steady State):≤200 ms


Temperature Drift Coefficient (-20°C to +55°C):200 ppm/°C FS


Independent Linearity Error:±0.1% FS


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


Optional Channel Specifications:1 input, 1 output


Standard Output Signals:4–20 mA, 0–20 mA, 0–5 V, 0–10 V, 1–5 V, RS485

Dimension Chart

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

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Wiring Diagram

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Phone: +86-19715617532
Add: Building 14, University Science and Technology Park, Fenghuangshan Economic Development Zone, Xiangshan District, Huaibei City, Anhui Province

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