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6SE7031-7HG84-1JA1

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Siemens 6SE7031-7HG84-1JA1 is a SIMOVERT MASTERDRIVES PSU1 power supply module for chassis designs E through H.
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Technical specifications for 6SE7031-7HG84-1JA1

  • Manufacturer:
    Siemens
  • Part Number:
    6SE7031-7HG84-1JA1
  • Product Family:
    Siemens SIMOVERT
  • Product Type:
    PSU1 Power Supply Module
  • Stock:
    1
  • Supported Chassis Designs:
    E through H
  • AC Supply Classes:
    3 AC 380–460 V; 660–690 V
  • Input Frequency:
    50/60 Hz
  • DC Supply Classes:
    510–620 V DC; 890–930 V DC
  • Module Designation:
    PSU1, component G25
  • Terminal Reference:
    X9
  • Spare Quantity:
    1 per listed chassis
  • Associated Fuse Positions:
    G25-F1 and G25-F2
  • Weight:
    1.76 lbs (0.8 kg)
  • Tariff Code:
    8504909090
  • Country of origin:
    Germany
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Power Selection Chassis Integration X9 Routing Order Boundary

Features:

  • The -1JA1 suffix completes the 6SE7031-7HG84 order identity.
  • Chassis designs E through H define the documented mechanical range.
  • AC and DC source families use separate voltage-selection bands.
Confirm the complete suffix before comparing the PSU1 with an installed chassis.

Start the selection check with the E–H design, then identify whether the incoming source is AC or DC.

Use G25 and X9 as chassis references only after the source family and voltage band agree.

The Siemens 6SE7031-7HG84-1JA1 PSU1 Power Supply Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Siemens 6SE7031-7HG84-1JA1 PSU1 Power Supply Module Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

Source Matching Logic

  • First decision: Identify whether the chassis receives three-phase AC or DC before comparing a voltage band.
  • AC path: Frequency belongs to the three-phase source check and is not applied to a DC-fed chassis.
  • DC path: Matching follows the documented DC window without borrowing the AC classification.
  • Final check: Source type, voltage family and E–H chassis design must agree for 6SE7031-7HG84-1JA1.

PSU1 Positioning

  • Mechanical scope: Designs E through H establish the chassis range for the PSU1 assignment.
  • Component reference: G25 identifies where the PSU1 sits within that chassis structure.
  • Functional boundary: The G25 position separates the power-supply assembly from control and monitoring positions.
  • Use rule: Confirm the chassis design before treating G25 as the 6SE7031-7HG84-1JA1 location.

Terminal-Strip Context

  • E–H function: X9 is the terminal-strip reference associated with PSU1 in this chassis range.
  • Label reuse: The same X9 designation serves different power assemblies in other chassis designs.
  • Trace sequence: Read the chassis design first, then follow X9 to the assigned assembly.
  • Error boundary: An X9 label alone does not prove that the connected unit is 6SE7031-7HG84-1JA1.

Complete-Code Check

  • Base number: 6SE7031-7HG84 does not identify the complete ordered variant.
  • Suffix role: The -1JA1 ending completes the product identity used on the page.
  • Electrical confirmation: Supply-class agreement supports the match but does not replace the full code.
  • Selection boundary: Use the complete number together with chassis design and source type.
Description
For SIMOVERT MASTERDRIVES chassis designs E through H, Siemens 6SE7031-7HG84-1JA1 is the PSU1 assembly that supplies the chassis power section.

One order number covers two documented source families for 6SE7031-7HG84-1JA1: three-phase AC at 380–460 V or 660–690 V and DC at 510–620 V or 890–930 V. The AC entries carry a 50/60 Hz frequency designation, while the DC entries are matched by their stated voltage bands.

Chassis integration places 6SE7031-7HG84-1JA1 at component reference G25 and associates terminal strip X9 with the PSU1 connection. Selection therefore depends on the E–H mechanical design, the source family and its voltage band rather than the PSU1 name alone.
Alternative Names
6SE70317HG841JA1 6SE7031 7HG84 1JA1 Siemens 6SE7031-7HG84-1JA1 SIMOVERT 6SE7031-7HG84-1JA1 MASTERDRIVES PSU1 6SE7031-7HG84-1JA1 6SE7031-7HG84-1JA1 Power Supply 6SE7031-7HG84-IJA1 6SE703I-7HG84-1JA1
Technical notes
Siemens 6SE7031-7HG84-1JA1 is the PSU1 for chassis designs E–H; match its source family and voltage band before using the G25/X9 references.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
An E–H chassis uses a 660–690 V three-phase source. Which 6SE7031-7HG84-1JA1 boundary applies?
Use the 660–690 V AC class at 50/60 Hz and confirm that the installed chassis is within the E–H design range for 6SE7031-7HG84-1JA1.
The incoming source was changed from AC to DC. Can the previous 6SE7031-7HG84-1JA1 match be assumed?
No. Recheck 6SE7031-7HG84-1JA1 against the DC bands of 510–620 V or 890–930 V instead of carrying over an AC match.
Where should wiring records point when tracing the PSU1 connection for 6SE7031-7HG84-1JA1?
Use X9 as the PSU1 terminal-strip reference and G25 as the component position associated with 6SE7031-7HG84-1JA1.
Why is the chassis design letter needed when checking 6SE7031-7HG84-1JA1?
The 6SE7031-7HG84-1JA1 assignment is tied to SIMOVERT chassis designs E through H, so the design letter is part of the selection boundary.
A technician sees only the base code 6SE7031-7HG84. What is still missing?
The complete suffix -1JA1 must still be verified before identifying the installed unit as 6SE7031-7HG84-1JA1.
Which details should accompany a reported supply mismatch on 6SE7031-7HG84-1JA1?
Record the E–H chassis design, AC or DC source family, actual voltage band, G25 position and X9 connection for 6SE7031-7HG84-1JA1.

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