
Siemens 6AG1931-2FC21-7AA0 SIPLUS PS DC UPS Module
This listing details the Siemens 6AG1931-2FC21-7AA0 uninterruptible power supply module designed for harsh industrial environments. The unit features conformal coating and extended temperature operation capabilities.
Quick Facts
- Part number
- 6AG1931-2FC21-7AA0
- Brand
- Siemens
- Category
- Power Supplies
- Product type
- Power Supplies
- Lifecycle
- Phase Out Announce
- Dimensions
- 13.5 x 15.00 x 11.00 cm
- Net weight
- 1.078 Kg
- Source category
- SIPLUS PS DC UPS module 40 A
Product Overview
The Siemens 6AG1931-2FC21-7AA0 is a specialized DC UPS module within the SIPLUS product line, engineered for robust performance in demanding industrial settings. It provides reliable power continuity for critical control systems during voltage interruptions.
Based on the 6EP1931-2FC21 platform, this module integrates a 24 V DC output rated at 40 A. The design ensures stable operation for connected devices requiring uninterrupted direct current power supply.
Technical Review Notes
- Input voltage specification is recorded as 24 V DC, ensuring standard industrial power application context for the module's internal circuitry and operational requirements.
- Output capability is listed as 24 V DC with a maximum current of 40 A, supporting continuous load operations for connected industrial equipment.
- The module operates within an extended ambient temperature range of -25 to +70 degrees Celsius, listed for harsh environmental conditions.
- Conformal coating is applied to the internal components to protect against moisture, dust, and corrosive agents common in industrial environments.
- Physical dimensions are documented as 13.5 x 15.00 x 11.00 cm, allowing for compact integration into standard control cabinet layouts.
- Net weight is specified at 1.078 Kg, facilitating manageable handling and installation procedures during system maintenance or setup phases.
Model Identification
- The part number 6AG1931-2FC21-7AA0 identifies this specific variant within the SIPLUS DC UPS family of products.
- Lifecycle status is noted as Phase Out Announce, indicating potential future discontinuation of this specific model configuration.
- Product class B designation implies review restrictions, requiring direct contact with designated Siemens review contacts for handling inquiries.
- The base model reference 6EP1931-2FC21 serves as the foundational platform for this enhanced SIPLUS version.
Technical Parameters
| Product type | Power Supplies |
|---|---|
| Lifecycle | Phase Out Announce |
| Dimensions | 13.5 x 15.00 x 11.00 cm |
| Net weight | 1.078 Kg |
| Source category | SIPLUS PS DC UPS module 40 A |
Parameters are factual source fields retained for model review.
Parameter Review
- Review the submitted model number 6AG1931-2FC21-7AA0 to verify alignment with specific project technical requirements and constraints.
- Source parameter review confirms the 24 V DC input/output configuration matches standard industrial power distribution networks.
- Check the temperature rating of -25 to +70 °C against the intended installation environment's thermal conditions.
- Verify the 40 A output capacity meets the peak and continuous load demands of the connected control systems.
- Confirm the presence of conformal coating is necessary for the specific environmental exposure levels of the deployment site.
Catalog Classification
Image & Label Review
- Inspect the product image for the Siemens branding and SIPLUS labeling to confirm visual identification of the unit.
- Review the physical form factor shown in images against the stated dimensions of 13.5 x 15.00 x 11.00 cm.
- Check terminal block configurations visible in images to ensure they match the expected 24 V DC connection points.
- Examine the housing material and coating appearance in images to assess suitability for the specified harsh environment conditions.
Product Image Gallery

Inquiry Preparation
- Prepare detailed project documentation specifying the required 24 V DC/40 A output for the uninterruptible power supply module.
- Include environmental data sheets confirming the need for -25 to +70 °C operating range and conformal coating protection.
- Document the specific application context to justify the selection of the SIPLUS series over standard power supply units.
- List all relevant technical constraints and interface requirements to facilitate accurate assessment during the inquiry review process.
Category Context
This module falls under the broader category of industrial power supplies designed for critical infrastructure protection.
It is specifically classified within the SIPLUS DC UPS segment, focusing on enhanced durability and environmental resistance.
The product supports applications requiring high reliability in challenging industrial settings where standard units may fail.
Review Notes
- Note the Phase Out Announce status when planning long-term system upgrades or expansions involving this component.
- Consider the review restriction policy associated with Product Class B when evaluating logistics and handling procedures.
- Ensure all technical specifications align with the actual operational needs before proceeding with formal inquiry submission.
- Consult technical resources regarding the base 6EP1931-2FC21 model for additional context on the underlying hardware architecture.



