Siemens 6SE7031-7HG84-1JA1 PSU1 Power Supply Unit
A discontinued SIMOVERT MASTERDRIVES PSU1 spare for designs E through H with documented AC and DC input classes.
Product Identification
Siemens 6SE7031-7HG84-1JA1 is the PSU1 power-supply-unit spare for SIMOVERT MASTERDRIVES designs E through H. Siemens lists both AC and DC input classes for this execution.
The power unit is catalogued for 3 AC 380–460 V or 660–690 V at 50/60 Hz, and for 510–620 V DC or 890–930 V DC supply classes.
The product lifecycle is discontinued, so the complete installed label and host-drive record are especially important for an exact spare, repair or approved migration decision.
Engineering Data
Siemens
6SE7031-7HG84-1JA1
Power Supply Unit PSU1
SIMOVERT MASTERDRIVES
E through H
3 AC 380–460 V or 660–690 V
50/60 Hz
510–620 V DC or 890–930 V DC
Functions
Internal power conversion
Provides the PSU1 supply function for compatible MASTERDRIVES E–H hardware.
Multiple supply classes
The same catalog execution is documented across two AC and two DC input ranges.
Design-frame coverage
Mechanical and electrical suitability is bounded by the stated E-through-H designs.
Service traceability
The exact MLFB links the power unit to the correct legacy drive documentation.
About IndustryParts
https://www.industryparts.com/Traceable handling for 6SE7031-7HG84-1JA1
IndustryParts keeps the submitted 6SE7031-7HG84-1JA1 identity, quantity and installed-system evidence together so the proposed supply can be checked before dispatch.
Suffix and revision kept visible
Installed application boundary documented
Supply record linked to the exact enquiry
Applications
Legacy drive repair
Exact replacement planning for a documented PSU1 in a compatible MASTERDRIVES design.
Bench evaluation
Controlled diagnosis where the original unit, host drive and approved test procedure are available.
Migration assessment
Evidence source for deciding between repair, exact spare and a wider drive-system conversion.
Lifecycle
Capture
Record host-drive MLFB, design letter, input class, PSU1 label, fault history and all connector locations.
Select
Use the exact Siemens data and discontinued-product status to define spare, repair or conversion scope.
Recommission
Verify internal supplies and diagnostics before controlled enablement of the converter power section.
FAQ
Q01
Which MASTERDRIVES designs are listed for 6SE7031-7HG84-1JA1?
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Siemens identifies this PSU1 spare for designs E through H.
Q02
What supply classes are published for 6SE7031-7HG84-1JA1?
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The listing states 3 AC 380–460 V or 660–690 V at 50/60 Hz, and 510–620 V DC or 890–930 V DC.
Q03
Is 6SE7031-7HG84-1JA1 still an active catalog product?
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No. Siemens marks the product as discontinued, so current availability and the approved service route require confirmation.
Q04
What prevents the wrong PSU1 from being selected for 6SE7031-7HG84-1JA1?
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Provide the complete host-drive MLFB, design letter, AC or DC input class, original PSU label and connector photographs.
Q05
Which checks follow installation of 6SE7031-7HG84-1JA1?
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Confirm correct mounting and connectors, internal supply values, clear diagnostics and stable drive operation through the approved commissioning sequence.
