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The ABB RDCU-12C 3AUA0000036521 Control Unit is a replacement drive control unit designed for ABB’s ACS800 drives and 800xA automation systems. It ensures reliable operation in industrial environments but requires separate software installation for full functionality.
| Parameter | Value |
|---|---|
| Model Number | RDCU-12C 3AUA0000036521 |
| Manufacturer | ABB |
| Module Type | Control Unit |
| System Compatibility | DCS / ACS800 / 800xA |
| Dimensions | 12.8 × 4.5 × 28.4 cm |
| Weight | 0.68 kg |
| HS Code | 8537101190 |
| Tariff Number | 85049090 |
| Product Origin | Sweden |
| Condition | Brand New |
| Lead Time | In Stock |
| MOQ | 1 |
| Lifecycle Status | Active |
| Communication Service | Ethernet router |
| Core Credit Value | 0.00 (standard replacement part) |
| Software Requirement | Ships without application software; must be ordered separately |
The ABB RDCU-12C 3AUA0000036521 provides control functionality for ACS800 drive systems and 800xA automation platforms. It supports multiple RMIO types, with compatibility details available in ABB’s technical documentation. The unit ships without application software, requiring users to load compatible software per ABB’s LV AC Drives maintenance manual.
The ABB RDCU-12C 3AUA0000036521 Control Unit is widely used as a spare part in drive maintenance operations. Engineers rely on its immediate availability and ABB’s industrial standards to restore system functionality. Proper software provisioning is essential for integration into ACS800 and 800xA systems.

Quick dispatch from our global inventory to reduce downtime and ensure uninterrupted operations.
All parts are 100% authentic — verified OEM components with full traceability and quality assurance.
Extensive stock of industrial automation and discontinued parts, ready for immediate shipment.
Every product — including obsolete items — is covered by a 12-month warranty and 30-day return guarantee.