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Product Overview
The KVC758A124 is an ABB IPS Dual Voltage Subprint identified by ABB product number 3BHE021951R0124. Available ABB-related product records describe it as a voltage subprint used in ABB medium-voltage drive systems, particularly the ACS5000 water-cooled drive platform. Its role is associated with isolated power-supply functions within the drive electronics, supporting the separation and delivery of required internal voltage rails. The ABB catalog designation is listed as “KV C758 A124:IPS DUAL,” while supplier records identify the component as a Voltage Subprint.
For maintenance teams, this is a board that should be matched by the complete ABB identification rather than by appearance. The power architecture, board revision, and host-drive configuration should all be checked before replacement, especially on high-power medium-voltage equipment.
Technical Specifications — KVC758A124
| Parameter | Value |
|---|---|
| Product Model | KVC758A124 |
| ABB Product Number | 3BHE021951R0124 |
| Manufacturer | ABB |
| Product Type | IPS Dual Voltage Subprint / Voltage Subprint |
| ABB Type Designation | KV C758 A124:IPS DUAL |
| Application | ABB medium-voltage drive systems, including ACS5000 |
| Primary Function | Isolated dual-voltage power-supply interface |
| Input Voltage | Verify against the installed drive configuration |
| Output Voltage | Dual-voltage configuration; verify system documentation |
| Communication / Protocol | Not a standalone communication module |
| Mounting | Drive cabinet / internal electronics assembly |
| Dimensions | Approx. 200 × 150 × 30 mm, supplier-reported |
| Weight | Approx. 0.26 kg |
| Typical Interfaces | Internal drive power and control connections |
| Operating Temperature | Verify applicable ACS5000 documentation |
| Compliance | System and installation dependent |
The available product record confirms the ABB identification, the “IPS DUAL” designation, and a net weight of approximately 0.26 kg.
ABB KVC758A124
Key Features and Benefits — KVC758A124
- Dual-voltage IPS subprint architecture.
- Designed for ABB medium-voltage drive electronics.
- Associated with ACS5000 water-cooled drive systems.
- Provides isolated internal power-supply functionality.
- Compact board-level construction for cabinet integration.
- Suitable for planned maintenance and critical power-electronics spare inventories.
- Full ABB article-number verification helps prevent incorrect board substitution.
One detail worth checking during procurement is the exact system application. Some third-party descriptions call the item a control board, while ABB-oriented records identify it specifically as a Voltage Subprint with the “IPS DUAL” designation. The latter is the safer technical description for inventory control.
Related Models
KVC757A127 — Related ABB DC/DC converter module used within medium-voltage drive power architectures.
KUC711AE101 — ABB power-supply board associated with drive power-electronics assemblies.
KUC755AE105 — Related ABB gate-unit power-supply module for high-power converter equipment.
IPS21-35AD — ABB power-supply module used in compatible medium-voltage drive systems.
Installation and Maintenance — KVC758A124
Before replacement, isolate and discharge the applicable drive according to the site’s medium-voltage electrical safety procedure. Confirm the complete ABB part number, drive model, cabinet position, and board revision before removing the existing unit.
Inspect the replacement for damaged connectors, contamination, corrosion, or physical impact. Verify mounting hardware and internal connections, then check the associated power rails and insulation conditions before energizing the drive.
After installation, monitor startup diagnostics and verify the internal control electronics before returning the converter to normal operation. Personally, I would record the original board identification and connector arrangement before removal; this simple step is valuable when working on older ACS5000 installations.
Product Warranty — KVC758A124
Warranty coverage depends on the supplier and supplied condition. Confirm whether the board is new, unused surplus, refurbished, or previously installed, and request available inspection or test documentation.
For critical medium-voltage drive spares, retain the complete ABB article number, hardware revision, serial information where available, inspection status, and storage history. This provides traceability and helps prevent incorrect substitution during emergency maintenance.
