ABB 3BHB010662R0120 Feedback Signal Board

Product Brief Introduction 3BHB010662R0120 is a signal feedback processing board for ABB power converter. It processes feedback signals from power unit including temperature, current and voltage, performs signal filtering and isolation conversion, and transmits processed signals to main control board for closed‑loop calculation and protection judgment.
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Product Introduction
Phase measurement and power conversion module for ABB AC800PEC high-voltage inverter systems. Converts AC or DC input into regulated output for downstream circuits and provides high-precision phase synchronization for IGCT power stacks.
Technical Specifications
Input 24 V DC or 120 or 240 V AC. Output 5 to 24 V DC, 0 to 10 A, maximum 240 W. Phase measurement 0 to 360 degrees with plus minus 0.5 percent accuracy. Response time below 2 ms. Communication Modbus, Profibus, Ethernet. Isolation 2 kV. Operating temperature -20 to +60 C. Storage temperature -40 to +85 C. Humidity 5 to 95 percent non-condensing. Dimensions 263 mm by 58 mm by 28 mm. Weight 4.3 kg. Explosion-proof Ex ia IIB T4. Certifications CE, RoHS.
Functional Features
Modular plug-in design. High-speed phase sampling. Self-diagnostics. Conformal-coated industrial PCB.
Application Scenarios
AC800PEC high-voltage inverters. Industrial process control. Power plant monitoring. Water treatment pump and valve control. Oil and gas high-precision control.
Material and Structure
Industrial control module format with heavy conformal coating. Aluminum reinforced chassis.
Installation Requirements
Mount in ventilated cabinet on 35 mm DIN rail or panel bracket. Separate control supply from power bus. Keep communication cables away from high-voltage conductors.
Usage Notes
Confirm AC800PEC firmware compatibility before insertion. Do not mix with non-AC800PEC phase modules.




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