ABB UUD148AE02 (Material Number 3BHE014185R0002) is the current sensor control board (current transducer module) in ABB UNITROL excitation system / high-power power electronics, used for high-precision current sampling, signal conditioning and closed-loop control in generator excitation and variable frequency drive, and is not an ordinary DCS/PLC I/O. 

I. Model and Position

Model: UUD148AE02

Material Number: 3BHE014185R0002

Series: UUD Series (Current Transducer / Signal Acquisition Board)

Main Purpose: Excitation System, High Power Frequency Converter, SVG/STATCOM's Current Signal Acquisition and Processing

Compatible Systems: UNITROL 5000/6000, AC 800PEC, Medium Voltage Frequency Drive

Core Functions

✅ High Precision Current Sampling: Compatible with Hall / Relic Coil, Collecting AC / DC Current

✅ Signal Isolation and Conditioning: High Voltage Isolation, Filtering, Amplification, Outputting Standard Signals to Controller

✅ Closed-loop Control Feedback: Providing Real-time Feedback for Current Loop, Ensuring Excitation / Transmission Stability

✅ Fault Diagnosis and Protection: Overcurrent, Open Circuit, Sensor Fault Detection, Quick Alarm

✅ Strong Anti-interference: Multiple Levels of EMI Filtering, Tolerating High Frequency Noise from Power Electronics

Hardware Specifications

Power Supply: 24 VDC ±10%, Power Consumption Approximately 10 W

Input: Multi-channel Current Sensor Signals (Compatible with Various Transformation Ratios)

Output: ±10 V / 4–20 mA Standard Signals or Digital Bus

Isolation: High Voltage Isolation (≥2.5 kV AC), Strong and Weak Electrical Separation

Size: Approximately 263 × 58 × 28 mm

Weight: Approximately 0.43 kg

Temperature: 0 ~ +50 ℃ (Industrial Grade)

Protection: IP20 (Installation in Cabinet)

Typical Applications

Generator Excitation System (Thermal Power / Hydropower / Nuclear Power)

Medium and High Voltage Frequency Drive (Rolling Mill, Mine, Traction)

Power Quality Device (SVG, Active Filter)

High Power UPS and Energy Storage Converter

Current Monitoring and Protection for Industrial Power Electronics

Status and Price (2026, Xiamen)

Status: In Production by Original Factory, Brand New and In Stock

Reference Price: ¥12,000–15,000 / Piece

VI. Distinction of Confusing Models

UUD148AE02: Current Sensor Control Board (Excitation / Transmission Specialized)

UUD148AE01: Previous Generation Version (3BHE014144R0001)

CI868K01: IEC 61850 Communication Card for AC 800M (DCS Use)