ABB 3BHB004791R0101Official Full Part Name: ABB 3BHB004791R0101 KUC711 AE101 Auxiliary Power & I...
Official Full Part Name: ABB 3BHB004791R0101 KUC711 AE101 Auxiliary Power & Interface Control Module Core Function This integrated dual-purpose module serves as the auxiliary power supply and signal interface board for ABB medium voltage drive cabinets and AC 800M DCS 800xA systems. It converts input AC mains to stabilized isolated 24V DC logic power for gate driver boards, I/O cards and fiber-optic communication transceivers. It also processes analog/digital field sensor signals, handles interlock fault logic, routes bidirectional control communication between the main CPU and power stack hardware, and delivers built-in hardware overvoltage, undervoltage and short-circuit protection. It provides continuous power backup and signal buffering to prevent drive shutdowns caused by grid fluctua
Product Description
Official Full Part Name: ABB 3BHB004791R0101 KUC711 AE101 Auxiliary Power & Interface Control Module Core Function This integrated dual-purpose module serves as the auxiliary power supply and signal interface board for ABB medium voltage drive cabinets and AC 800M DCS 800xA systems. It converts input AC mains to stabilized isolated 24V DC logic power for gate driver boards, I/O cards and fiber-optic communication transceivers. It also processes analog/digital field sensor signals, handles interlock fault logic, routes bidirectional control communication between the main CPU and power stack hardware, and delivers built-in hardware overvoltage, undervoltage and short-circuit protection. It provides continuous power backup and signal buffering to prevent drive shutdowns caused by grid fluctua
Technical Specifications
| Brand | ABB |
|---|---|
| Model | 3BHB004791R0101 |
| Category | Industrial Automation |
| Official Full Part Name | ABB 3BHB004791R0101 KUC711 AE101 Auxiliary Power & Interface Control Module |
| Full unit rear shot | Green FR4 PCB with metal mounting frame, power terminal screw blocks, isolation transformers and conformal coating |
| Housing | Silver metal rack plug-in frame with green FR4 PCB internal circuit board |
| Layout | AC power input terminals on left side, DC 24V output terminals on right, front panel with green POWER LED and red FAULT LED, rear multi-pin backplane connector for system bus connection |
| Total Length | 150 mm |
| Total Width | 102 mm |
| Overall Depth | 48 mm |
| Internal switching transformer burnout | No 24V DC output, POWER LED off; triggered by AC grid voltage surges or long-term overloading |
| Backplane communication chip failure | Drive reports "auxiliary module communication timeout" fault, intermittent control lossABB |
| Terminal block oxidation | Loose AC input contacts leading to unstable 24V power output, frequent in high-dust cement/mining plants |
| Cross-series equivalent | 3BHB004662R0101 GUSP auxiliary supply board (for early legacy ACS1000 drive frames) |
| Mounting | DIN rail |
| Origin | Germany / Original |
| Condition | New Original Factory Sealed |
| Warranty | 12 Months |
| Shipping | Global Delivery via DHL/FedEx/UPS |