Siemens 6SE7031-7HG84-1JC1 Inverter Gating Module
A legacy gating-board execution identified by the complete JC1 suffix for a matching MASTERDRIVES power unit.
Product Overview
6SE7031-7HG84-1JC1 is a Siemens inverter gating module from the SIMOVERT MASTERDRIVES installed base. The final JC1 suffix identifies its exact hardware execution and must remain part of every quotation and service record.
JC2-specific electrical values do not establish the JC1 board rating. Compatibility is determined from the host-unit documentation, board labels and connector evidence.
Performance
- Functional performance is defined by the host power unit and complete board revision.
- Connector condition, gate-supply health and the surrounding power section affect service results.
- Controlled commissioning is required because visual similarity does not establish interchangeability.
Technical Details
| Manufacturer | Siemens |
|---|---|
| Article Number | 6SE7031-7HG84-1JC1 |
| Product Family | SIMOVERT MASTERDRIVES |
| Component Class | Inverter gating module |
| Hardware Identifier | Final suffix -1JC1 |
| Installation Role | Internal converter power-section board |
| Selection Evidence | Host nameplate, board label and connector layout |
| Interchangeability | Must be established for the exact host and revision |
System Integration
- Exact MASTERDRIVES host unit
- Matching internal connector scheme
- Documented JC1 hardware revision
Applications
- Legacy inverter service
- Industrial drive cabinets
- Power-section board replacement
FAQ
Why must 6SE7031-7HG84-1JC1 stay separate from the JC2 article?
The final suffix identifies a different hardware execution; shared prefix and appearance do not prove compatibility.
Are JC2 voltage and current values valid for 6SE7031-7HG84-1JC1?
They are not carried into this page without exact JC1 documentation. Use the host nameplate and applicable Siemens records.
What evidence is required to quote 6SE7031-7HG84-1JC1?
Provide both sides of the board, all labels, connector close-ups, the host-unit nameplate and cabinet position.
Can 6SE7031-7HG84-1JC1 be bench-tested as a complete drive?
No. It is an internal module; meaningful functional acceptance depends on the correct host power section.
What should be checked after replacing 6SE7031-7HG84-1JC1?
Review diagnostics, gate-supply condition, enable behavior and controlled current response.
How should an alternative to 6SE7031-7HG84-1JC1 be approved?
Use a documented Siemens cross-reference or a complete engineering comparison of host, revision, connectors and function.
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