ABB RDCU-12C 3AUA0000036521 Drive Control Unit
ABB RDCU-12C
3AUA0000036521
ABB Drive Control Unit
Place of Origin:
SWEDEN
Brand Name:
ABB
ABB RDCU-12C
,3AUA0000036521
,ABB Drive Control Unit
RDCU-12C Control Unit
A control unit for compatible ABB drive configurations. Correct replacement selection depends on the installed converter hardware and the application program required by that configuration.
Confirm the unit label, converter device type and application-program requirements before selecting a replacement.
Product Overview
Identification and replacement selection
The ABB RDCU-12C is a drive control unit intended for compatible converter configurations. It is relevant to maintenance work where an installed unit needs to be identified or replaced following a suspected hardware fault.
Do not select a replacement by model name alone. The control-unit label and the installed converter configuration are important to determining whether the unit and its application program are suitable.
Technical Specifications
Product identification and ordering data
| Product ID | 3AUA0000036521 |
| Type Designation | RDCU-12C |
| Catalog Description | RDCU-12C; CONTROL UNIT |
| Product Name | Control Unit |
| Net Height | 100 mm |
| Net Width | 200 mm |
| Net Depth / Length | 20 mm |
| Minimum Order Quantity | 1 piece |
| Selling Unit | Piece |
Installation & Compatibility Checks
Practical points from ABB RDCU hardware instructions
Application-program compatibility
The SW TYPE identifies the loaded application program. Check SW TYPE and SW CODE against the required program, and confirm that DEVICE TYPE matches the converter hardware.
DIN-rail mounting
The hardware manual describes mounting on a vertical or horizontal 35 × 7.5 mm DIN rail. Follow the applicable instructions for mounting and securing the unit.
Ventilation and heat
Keep the housing ventilation openings clear and avoid mounting the unit directly above heat-generating equipment so that airflow is not obstructed.
Electromagnetic interference
Keep the unit away from relays, contactors, brake choppers and motor cabling. ABB recommends a minimum distance of 500 mm from such disturbance sources; metallic screening is recommended where appropriate.
Grounding and jumper setting
The unit is grounded to the mounting rail through two screws. Check whether jumper J1 needs setting before fastening the unit, following the applicable isolation and grounding diagram.
Before commissioning
Verify the unit identification, application-program suitability, converter compatibility and installation conditions before returning the drive to service.
Application & Fault Assessment
Common maintenance situations that may prompt a sourcing enquiry
Drive maintenance
Useful when servicing a compatible ABB drive and identifying the control unit fitted to the existing configuration before ordering a spare.
Suspected control-unit fault
Physical damage or a drive fault may lead to a control-unit replacement enquiry. Diagnose the fault first, as replacing the unit alone does not establish or resolve every drive fault.
Downtime planning
Identifying the installed unit, converter model and application-program requirements early helps reduce avoidable delays during replacement sourcing.
Delivery & Warranty
Order-specific terms confirmed before purchase
Inspection or testing scope is confirmed for the supplied unit before order confirmation.
Packaging arrangements, return eligibility and return procedures are confirmed with the order terms.
Warranty coverage follows the agreed terms. Report suspected dead-on-arrival issues or transit damage promptly with order details and supporting photos.
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Frequently Asked Questions
Ordering and compatibility guidance
Can the unit be installed in any ABB drive?
Is the application software automatically included?
What should be checked before commissioning a replacement?
What details are needed to check availability and delivery?
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