ABB 3AUA0000054682 Spare Part No. , Type Code CMRB-11C – Main Circuit Rectifier Interface Control PCB for ACS800 Multidrive DSU Power Units
ABB Spare Part No. 3AUA0000054682, Type Code CMRB-11C – Main Circuit Rectifier Interface Control PCB for ACS800 Multidrive DSU Power Units Core Function CMRB-11C is the core signal processing motherboard dedicated to ACS800 series multidrive rectifier modules (DSU304 / DSU704). It acts as the signal bridge between rectifier power stage, drive control unit, and DDCS fiber communication bus: Core Function CMRB-11C is the core signal processing motherboard dedicated to ACS800 series multidrive rectifier modules (DSU304 / DSU704). It acts as the signal bridge between rectifier power stage, drive control unit, and DDCS fiber communication bus: Collect voltage, current, NTC temperature feedback signals from rectifier power sensors Generate IGBT gate enable, overcurrent, overvoltage, and overtem

Product Description
ABB Spare Part No. 3AUA0000054682, Type Code CMRB-11C – Main Circuit Rectifier Interface Control PCB for ACS800 Multidrive DSU Power Units Core Function CMRB-11C is the core signal processing motherboard dedicated to ACS800 series multidrive rectifier modules (DSU304 / DSU704). It acts as the signal bridge between rectifier power stage, drive control unit, and DDCS fiber communication bus: Core Function CMRB-11C is the core signal processing motherboard dedicated to ACS800 series multidrive rectifier modules (DSU304 / DSU704). It acts as the signal bridge between rectifier power stage, drive control unit, and DDCS fiber communication bus: Collect voltage, current, NTC temperature feedback signals from rectifier power sensors Generate IGBT gate enable, overcurrent, overvoltage, and overtem
Technical Specifications
| Brand | ABB |
|---|---|
| Model | 3AUA0000054682 |
| Category | Uncategorized |
| ACS800 multidrive rectifier modules | DSU304, DSU704 series power units |
| ACS800 inverter control boards | CDP-312, CDCO-01, RDCO-03 DDCS communication adapters |
| Bare PCB plate | 310 mm width × 178 mm height × 2.2 mm depth |
| Outer protective shipping carton | 410 mm × 260 mm × 90 mm |
| Root causes | Blown main auxiliary input fuse on CMRB board, broken 24 V power trace, failed main microcontroller IC |
| Voltage | 24 V DC auxiliary |
| Voltage 2 | 24 V power |
| Power | 14 W Communication |
| Channels | 8 channels |
| Protection | IP20 |
| Redundancy | support redundant |
| Weight | 0.82 kg |
| Origin | Germany / Original |
| Condition | New Original Factory Sealed |
| Warranty | 12 Months |
| Shipping | Global Delivery via DHL/FedEx/UPS |