ABB 3AUA0000077967ABB BINT-12C Main Circuit Interface Board, Order Code 3AUA0000077967 (+N8205 ...
ABB BINT-12C Main Circuit Interface Board, Order Code 3AUA0000077967 (+N8205 Non-Rated BCU SP Variant) Core Function Description: This dedicated main circuit interface PCB acts as the signal bridge between the ACS880 drive BCU control unit and power stage power modules. It transmits high-speed voltage sampling signals, IGBT gate monitoring feedback, temperature thermistor data, short-circuit fault detection signals, and DC bus voltage feedback between low-voltage control circuits and high-voltage power circuits. It integrates galvanic isolation circuits to block high-voltage interference, filters noise from power switching operations, and routes all critical protection signals to the drive’s main control board. The board also carries fault indicator LEDs for power module failures, overcurr
Product Description
ABB BINT-12C Main Circuit Interface Board, Order Code 3AUA0000077967 (+N8205 Non-Rated BCU SP Variant) Core Function Description: This dedicated main circuit interface PCB acts as the signal bridge between the ACS880 drive BCU control unit and power stage power modules. It transmits high-speed voltage sampling signals, IGBT gate monitoring feedback, temperature thermistor data, short-circuit fault detection signals, and DC bus voltage feedback between low-voltage control circuits and high-voltage power circuits. It integrates galvanic isolation circuits to block high-voltage interference, filters noise from power switching operations, and routes all critical protection signals to the drive’s main control board. The board also carries fault indicator LEDs for power module failures, overcurr
Technical Specifications
| Brand | ABB |
|---|---|
| Model | 3AUA0000077967 |
| Category | Uncategorized |
| Official Full Product Name | ABB BINT-12C Main Circuit Interface Board, Order Code 3AUA0000077967 (+N8205 Non-Rated BCU SP Variant) |
| Length × Width × Height | 127 mm × 51 mm × 127 mm (12.7 cm × 5.1 cm × 12.7 cm) |
| Shipping Package Dimensions | 200 mm × 150 mm × 60 mm, gross shipping weight 0.2 kg |
| Gold Finger Connector Oxidation | Cabinet humidity or dust oxidizes backplane pins, causing intermittent loss of DC bus sampling signals; drive triggers false overvoltage/undervoltage faults. |
| Isolation Transformer Winding Breakdown | Grid voltage surges damage small signal transformers, cutting all feedback communication between control and power stages, drive locks out with permanent module fault code. |
| Terminal Block Pin Corrosion | Condensation inside cabinet corrodes thermistor wiring terminals, resulting in missing heat sensor signals and drive overheat shutdowns. |
| AUA0000078011 | ABB cross-reference OEM spare part number for BINT-12C bulk replacement orders |
| Channels | 4-channel |
| Origin | Germany / Original |
| Condition | New Original Factory Sealed |
| Warranty | 12 Months |
| Shipping | Global Delivery via DHL/FedEx/UPS |