| Attribute | Value |
|---|---|
| Product Name | Siemens 6SE7031-7HH84-1HJ0 Inverter Board |
| Brand | Siemens |
| Model Number | 6SE7031-7HH84-1HJ0 |
| Additional Code | 476 478.9056.00 C |
| Product Status | Erzeugnisstand / Product Status: D E F |
| Serial / Batch Code | S E380972811175 |
| Secondary Code | 176478.9056.01 |
| Board Marking | 3100 / 94V-0 / J1 |
| Weight | 170 g |
| Ref No(s) | 63348 |
What is Siemens 6SE7031-7HH84-1HJ0 Inverter Board
The Siemens 6SE7031-7HH84-1HJ0 is part of Siemens’ SIMOVERT / Simovert-VC / Vector Control inverter line — essentially a variable-frequency drive (VFD) / inverter control board designed for controlling AC motor speed and torque in industrial automation environments.
This board acts as the “brain” of a drive system: it regulates motor behavior by converting fixed electrical supply to a variable frequency and voltage output, enabling precise speed/torque control rather than running a motor at fixed speed. Its design supports the integration with Siemens’ drive modules and is used as a replacement or spare control unit in industrial setups, including those aboard marine or heavy-duty machines — aligning with the core offerings of your company’s inventory.
Key Features
Precise vector control and motor regulation: The 6SE7031 unit offers vector control so that the motor speed, torque, and performance can be finely controlled under conditions of different loads.
Compatibility & Integration: It is designed to integrate with Siemens SIMOVERT/ Simovert-VC inverter chassis or drive modules, which makes it suitable for replacements, refurbishments, or custom automation solutions.
Energy Efficiency & Reliability: Thanks to this inverter, motor frequency and voltage can be changed, thus reducing energy consumption and wearing on motors, which will result in longer life for motors and lower operational costs.
Robustness & Industrial-grade Design: It is built for demanding environments such as industrial plants or heavy machinery, including marine applications, to ensure stability of performance under stress.
Ease of Replacement / Spare-Part Use: Being the spare unit for a control board, 6SE7031-7HH84-1HJ0 makes the replacement or retrofit of older drive systems easier — applicable for maintenance or to extend the service life of already installed installations.
Applications
The board Siemens 6SE7031-7HH84-1HJ0 finds application in an extensive variety of industrial and marine automation duties:
Pumps, Fans & Compressors: Controlling the motor speed for variable flow or variable pressure systems improves process control and energy usage.
Conveyors, Material Handling & Machinery: Used in conveyors, hoists, cranes, and other mechanical systems where exact speed/torque control is required.
Marine & Ship Automation: With the focus of your company being on marine spare parts and ship machinery, the inverter board is ideal to be applied to onboard motor drives, auxiliary machinery control, or retrofitting of older marine drive systems.
Industrial Production Lines & Automation Systems — Integration into manufacturing plants, assembly lines, or processing units where flexible motor control allows for better automation, yields, and safety.
Retrofit/maintenance projects: A spare or replacement control board for the legacy systems using drives SIMOVERT/ Simovert-VC to extend equipment life without full system replacement.
Why Choose 6SE7031-7HH84-1HJ0 — Benefits & Value
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Trusted Siemens Quality and Support — As part of Siemens’ established SIMOVERT family, the unit offers proven build quality, reliability, and compatibility — giving confidence in long-term performance.
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Cost-Effective Spare / Retrofit Option — Instead of replacing complete drives, using this control board helps you refurbish existing systems — saving money while upgrading performance.
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Flexibility Across Applications — Its versatility enables use in diverse setups: industrial, marine, manufacturing, or maintenance — aligning well with a supplier offering wide automation & marine spare-parts inventory (as your website shows).
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Energy Savings and Operational Efficiency — By enabling precise motor control and reducing wasteful energy use, it helps optimize operations, lower electricity bills, and reduce maintenance costs over time.
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Extended Life for Older Systems — Especially valuable if you supply to clients repairing/refurbishing older machinery — the 6SE7031 board can breathe new life into outdated drives.








