
Siemens 6AG1931-2EC21-2AA0 SIPLUS PS DC-UPS Unit
This listing presents the Siemens SIPLUS PS DC-UPS module designed for robust industrial environments. The unit provides stable power backup with specialized environmental protections.
Quick Facts
- Part number
- 6AG1931-2EC21-2AA0
- Brand
- Siemens
- Category
- Power Supplies
- Product type
- SIPLUS PS DC-UPS 24 V/15 A based on 6EP1931-2EC21 with conformal coating, -25…+60 °C
- Lifecycle
- Active Product
- Dimensions
- 13.5 x 14.00 x 7.00 cm
- Net weight
- 0.469 Kg
- Source category
- SIPLUS PS DC UPS module 15 A
Product Overview
The Siemens 6AG1931-2EC21-2AA0 is a specialized uninterruptible power supply module engineered for demanding operational conditions. It integrates conformal coating technology to protect internal components from harsh environmental factors. Review Siemens 6AG1931-2EC21-2AA0 as power supplies with source category SIPLUS PS DC UPS module 15 A, recorded lifecycle Active Product, and submitted model identity.
This device operates within an extended temperature range of -25 to +60 degrees Celsius, ensuring reliability in extreme climates. The design supports continuous operation where standard units might fail due to thermal stress.
Technical Review Notes
- Output voltage is rated at 24 volts direct current for consistent power delivery to connected control systems.
- Maximum current capacity reaches 15 amperes, supporting high-load applications within the specified industrial automation framework.
- Conformal coating is applied to the circuit board to shield against moisture, dust, and corrosive chemical exposure.
- Operating temperature range spans from -25 degrees Celsius up to +60 degrees Celsius for broad environmental adaptability.
- Physical dimensions measure approximately 13.5 by 14.00 by 7.00 centimeters for compact panel mounting integration.
- Net weight is recorded at 0.469 kilograms, facilitating easy handling and installation without requiring heavy support structures.
Model Identification
- Base model reference includes the 6EP1931-2EC21 configuration upon which the SIPLUS enhanced version is constructed.
- The SIPLUS designation indicates specific enhancements for industrial use cases requiring higher durability and environmental resistance.
- Part number 6AG1931-2EC21-2AA0 uniquely identifies this specific variant with its extended temperature and coating specifications.
- Lifecycle status is listed as Active Product, indicating ongoing manufacturing or support review details for project planning.
Technical Parameters
| Product type | SIPLUS PS DC-UPS 24 V/15 A based on 6EP1931-2EC21 with conformal coating, -25…+60 °C |
|---|---|
| Lifecycle | Active Product |
| Dimensions | 13.5 x 14.00 x 7.00 cm |
| Net weight | 0.469 Kg |
| Source category | SIPLUS PS DC UPS module 15 A |
Parameters are factual source fields retained for model review.
Parameter Review
- Voltage specification confirms a steady 24 VDC output listed for standard PLC and I/O module power requirements.
- Current rating of 15 A allows for powering multiple devices simultaneously without exceeding the unit's capacity limits.
- Temperature tolerance ensures functionality in unheated enclosures or outdoor installations subject to significant seasonal fluctuations.
- Coating type provides essential protection against condensation and airborne contaminants common in heavy industrial processing areas.
- Dimensional data assists in verifying physical fit within existing control cabinet layouts and mounting rail configurations.
Catalog Classification
Image & Label Review
- Visual inspection should confirm the presence of labeling indicating the full part number and Siemens branding.
- Check for any visible signs of physical damage or corrosion on the housing before initiating an inquiry.
- Verify connector types and pin configurations match the specific wiring diagrams for your target application setup.
- Ensure the conformal coating appears intact and uniform across the visible surfaces of the internal circuitry.
Product Image Gallery

Inquiry Preparation
- Gather project documentation specifying the required voltage, current load, and environmental conditions for accurate matching.
- Prepare technical drawings showing the intended mounting location and recorded space within the control enclosure.
- List any specific certification or compliance requirements that must be met for your regional industrial standards.
- Define the timeline for project implementation to align with potential manufacturing or logistical scheduling constraints.
Category Context
This unit falls under the broader category of power supplies designed for industrial automation and control systems.
It is specifically classified within the SIPLUS DC UPS segment, focusing on uninterruptible power solutions.
The module belongs to the SIPLUS PS DC UPS series, offering 15 A capacity for critical loads.
Review Notes
- Confirm the product class indicates review restrictions and requires direct contact with designated Siemens representatives.
- Review the submitted model number to ensure it matches the exact specifications needed for your application.
- Source parameter review should validate that the 24V/15A output meets the electrical demands of your equipment.
- Project document review helps identify any additional accessories or mounting hardware required for proper installation.



