Description
🔹 Product Introduction
The ABB 3BHE021951R0124, designated KVC758 A124, is an IPS Dual Voltage Subprint used in ABB ACS5000 water-cooled medium-voltage drive systems. ABB catalog information identifies the product as a voltage subprint, a specialized internal circuit-board assembly within the drive’s power electronics and isolated power supply architecture.
This component is intended for maintenance and replacement of compatible ABB drive assemblies. Because it operates as part of a high-power converter system, the complete ordering number and hardware revision must match the installed equipment. Verify the board designation, connectors, and drive configuration before purchase; it is not a general-purpose PLC or DCS I/O module.
📋 Product Datasheet
| Parameter | Specification |
|---|---|
| Brand | ABB |
| Model | 3BHE021951R0124 |
| Type Designation | KVC758 A124 |
| Series | ABB ACS5000 Medium-Voltage Drives |
| Product Name | IPS Dual Voltage Subprint |
| Place of Manufacture | Not independently confirmed for the individual unit |
| Product Status | Confirm with seller |
| Dimensions | Exact dimensions not verified in ABB catalog data |
| Weight | 0.26 kg net, according to ABB catalog information |
| Country of Origin | Switzerland, according to ABB catalog information |
| Power Requirements | Internal drive power assembly; exact electrical ratings must be verified |
| Compatible Equipment | ABB ACS5000 water-cooled drive |
| Communication | Not a standalone communication module |
| Discontinued | Current lifecycle status not confirmed |
🔧 Fault Troubleshooting and Common Questions
- Drive reports a power-related fault: Check the drive’s diagnostic codes, power supply section, and related circuit boards according to the service manual.
- Replacement board does not resolve the fault: Verify the exact order number, board revision, connectors, and the condition of associated components.
- Can it replace another KVC758 board? Not automatically. The full suffix and drive configuration must match.
- Is this a standalone power supply? It is cataloged as an IPS dual voltage subprint. Its exact electrical role and connections depend on the drive assembly.
- What should be checked before ordering? Request label photographs, board-condition details, test documentation, and confirmation of compatibility with the installed ACS5000 system.
⚠️ Safety Precautions
ABB medium-voltage drives can retain dangerous electrical energy after shutdown. Isolate the equipment, follow lockout/tagout procedures, observe the manufacturer’s discharge time, and verify the absence of hazardous voltage before opening the drive. Installation and testing should be performed by qualified personnel.
⭐ Recommended 15 ABB Models
- KVC758 A124 — Type designation for the original dual voltage subprint.
- 3BHE021951R0124 — Exact ABB ordering number for replacement identification.
- ACS5000 — ABB medium-voltage drive platform associated with this subprint.
- 5SHX2645L0004 — ABB IGCT power semiconductor module.
- 5SHY3545L0010 — ABB high-power semiconductor component for compatible converters.
- 5SHY4045L0006 — ABB power semiconductor component; verify electrical ratings.
- 3BHE021083R0101 — XVC770BE101 high-voltage divider board.
- 3BHB004791R0101 — ABB power-electronics component; verify its specific function.
- 3BHB009175R0001 — ABB gate driver interface board reference.
- 3BHB003689 — ABB drive-related electronic component; confirm the complete designation.
- PM866 — AC 800M programmable controller.
- PM891 — High-performance AC 800M controller.
- CI854A — PROFIBUS-DP communication interface for compatible ABB control systems.
- AI810 — Analog input module for industrial process signals.
- DO810 — Digital output module for compatible ABB automation systems.
Items 4–10 are related drive and power-electronics components, but they are not direct substitutes for the KVC758 A124. Models 11–15 are broader ABB automation products. For replacement purchasing, prioritize the exact part number and confirmed ACS5000 compatibility.




