Description
The ABB 3AXD50000010152 is an internal Inverter R9 Row Cable Package (interconnect harness / ribbon cable kit) used inside ABB ACS800-104, ACS880-104, and certain PCS800 medium-voltage / multi-cell inverter cabinets employing the R9-series power module arrangement. It provides the pre-assembled, shielded flat-cable(s) and connectors that link adjacent inverter rows or the regulator board to the IGBT/SCR gate-driver interface, carrying gate-firing pulses, feedback signals, and auxiliary supplies between the control electronics and the power semiconductor stages.h2 Application ScenariosConsider a 6.6 kV cascade H-bridge MV drive in a water-pump station where one of the cell-string inverter rows begins logging sporadic “Gate Driver Communication Lost” faults. Visual inspection reveals a cracked insulation boot and broken conductor strands on the original row-interconnect ribbon that flexes during door-open servicing. Rather than attempting field-splicing a multi-conductor shielded flat cable (which risks incorrect pin-out and EMI issues), the drive technician sources a genuine ABB 3AXD50000010152 R9 Row Cable Package. With the drive isolated and DC-bus confirmed discharged, the old harness is unplugged from both ends, routed through the same cable guides, and the new 3AXD50000010152 is seated — keyed connectors prevent mis-mating. On power-up the inverter passes its gate-driver self-test and the fault clears permanently. This scenario shows the 3AXD50000010152‘s practical value: it is the correct, pinned-out, shielded interconnect that restores deterministic gate-pulse and feedback integrity without guesswork or re-wiring the inverter backplane.h2
Parameter
| Main Parameters | Value/Description |
|---|---|
| Product Model | 3AXD50000010152 |
| ABB Designation | R9 Row Cable Package / Inverter Interconnect Harness Kit |
| Manufacturer | ABB (Drives / Medium Voltage & ACS800/880 Platform) |
| Product Category | Internal Inverter Interconnect Cable Assembly (Row-to-Row / Ctrl→Power) |
| Compatible Drive Families | ABB ACS800-104, ACS880-104 (Multi-Level / Cell-Based), selected PCS800 MV inverters using R9 power modules |
| Cable Type | Shielded flat ribbon / multi-conductor with molded connectors (pin-count & length per R9 row config) |
| Signal Functions Carried | Gate-fire pulses, desaturation feedback, driver-supply (+15 V / −8 V typical), temperature sense |
| Connector Type | Molded polarised headers / IDC (keyed — prevents reverse insertion) |
| Length (Typical) | Matched to R9 row pitch — commonly 300–600 mm (verify against removed harness label) |
| Shielding | Overall braid or foil shield terminated to connector shell / drive chassis ground |
| Temperature Rating | -40 °C to +105 °C (harness & insulator) |
| Flame Retardancy | UL 94 V-0 / IEC 60332-1 compliant |
| Mounting / Routing | Clips into cable guides / standoffs inside inverter section; connects between R9 module J-tag port and adjacent row or RMIO/RDCU |
*Note: Exact pin-count, connector housing type (e.g. 20-/26-/34-way), and cable length must be verified against the removed harness photo and the drive’s R9 configuration drawing before ordering — R9 row cables are version-specific.h2 Technical Principles and Innovative ValuesThe 3AXD50000010152 is not a generic jumper — it is a signal-integrity-critical link in the drive’s gate-driver chain.
- Innovation Point 1 – Pin-Exact, Keyed Interface Prevents Mis-Wiring: Every 3AXD50000010152 harness is manufactured to ABB’s R9 interconnect schematic with polarized connectors and strain reliefs pre-installed. This eliminates the #1 cause of inverter-row communication faults after servicing — incorrect hand-wiring or reversed ribbons — and ensures the gate-fire / feedback pairing matches the RMIO/RDCU expectation exactly.
- Innovation Point 2 – Shielded Construction for Harsh dV/dt Environments: The cable incorporates overall shielding terminated at the connector to the drive chassis ground, suppressing capacitive coupling from the high dV/dt present in the inverter compartment. This reduces false gate-driver resets and improves noise immunity — a documented contributor to intermittent “Watchdog” trips in uncorrected DIY wiring.
- Innovation Point 3 – Matched Propagation Delay Across Row: Conductors within the 3AXD50000010152 are loosely twisted / paired to equalize propagation delay for gate-on/off signals across cells in the same row. This helps maintain balanced dead-time behaviour in multi-level topologies and is a detail not achievable with off-the-shelf generic flat cable.
