Siemens 6SE7041-8EK85-0HA0 Rectifier Interface Module
A PER3 / FBG power-interface spare for compatible H- and K-design MASTERDRIVES rectifier units.
Key Information
6SE7041-8EK85-0HA0 is identified in Siemens service documentation as the PER3 rectifier-interface or FBG power-interface execution for matching SIMOVERT MASTERDRIVES units. The final 0HA0 execution distinguishes it from the similarly named PER2 spare.
Correct selection requires the exact host article, design size and cooling or power-unit arrangement. Connector resemblance alone cannot establish compatibility.
Functions
- Provides the designated power-interface path within the matching rectifier assembly.
- Supports service restoration while retaining the documented PER3 board execution.
- Interfaces with the original control and power-section connections of the correct H/K unit.
Specifications
| Manufacturer | Siemens |
|---|---|
| Article Number | 6SE7041-8EK85-0HA0 |
| Product Family | SIMOVERT MASTERDRIVES |
| Module Designation | PER3 / FBG power interface |
| Applicable Hardware | Compatible rectifier or regenerative unit |
| Mechanical Design | H and K |
| Supply Voltage Class | 3 AC 380 to 480 V |
| Supply Frequency | 50 / 60 Hz |
| Product Role | Internal service spare |
| Selection Basis | Exact host documentation and board execution |
Installation
- Compare the complete 0HA0 board identity with the installed spare-parts list before removal.
- Discharge the DC link fully and use ESD protection when handling the interface board.
- Retain connector labels, grounding points and hardware orientation during transfer.
- Perform controlled energization and verify rectifier, feedback and diagnostic behavior before loading the DC bus.
Lifecycle
- Store board and host-unit records together because the execution suffix is service-critical.
- Preserve parameter backups and cabinet drawings for future system-level replacement work.
- Review obsolescence exposure and plan migration before the installed power unit becomes unsupported.
FAQ
Is 6SE7041-8EK85-0HA0 the same as 6SE7041-8EK85-1HA0?
No. Siemens documentation identifies different PER executions; the complete suffix must match the host spare-parts record.
What must be photographed before removing 6SE7041-8EK85-0HA0?
Capture the board label, connector positions, grounding points, mounting hardware and the complete supply-unit nameplate.
Can 6SE7041-8EK85-0HA0 be bench-tested as a standalone module?
It is an internal interface spare whose meaningful functional tests depend on the correct host power and control architecture.
What fault data is useful when requesting 6SE7041-8EK85-0HA0?
Provide the diagnostic history, event sequence, DC-link behavior and any evidence of connector, power-section or supply faults.
What should be checked after fitting 6SE7041-8EK85-0HA0?
Check board recognition, internal faults, rectifier response, DC-link charging, feedback signals and controlled operation.
How can a wrong 6SE7041-8EK85-0HA0 substitution be avoided?
Match the full host article and hardware version to the official spare documentation before comparing physical board features.
