Siemens 6AG1931-2EC21-2AA0 SIPLUS PS DC-UPS 24 V/15 A Uninterruptible Power Supply Module
Siemens 6AG1931-2EC21-2AA0 SIPLUS PS DC-UPS 24 V/15 A Uninterruptible Power Supply Module
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Brand:Siemens Item No.:6AG1931-2EC21-2AA0 Product Origin: Germany Product Dimensions:12.5 × 5.0 × 12.5 cm Product Weight:0.469 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Siemens 6AG1931-2EC21-2AA0 is a SIPLUS PS DC-UPS 24 V/15 A module based on the 6EP1931-2EC21. It provides uninterrupted 24 V DC power buffering for industrial automation and control systems by using connected rechargeable battery modules.
The module accepts a 22 to 29 V DC input and provides a 24 V DC output with a rated current of 15 A. It includes adjustable buffer response voltage and selectable battery charging current, allowing the DC UPS system to be configured according to the connected load and battery arrangement.
With conformal coating and an operating temperature range of -25 °C to +60 °C, the SIPLUS version is designed for demanding industrial environments. The unit mounts directly onto an EN 60715 DIN rail and uses screw terminals for power, battery, control, and status connections.
Technical Specifications
Parameter
Specification
Brand
Siemens
SIPLUS Order Number
6AG1931-2EC21-2AA0
Standard Base Product
6EP1931-2EC21
Product Family
SIPLUS PS DC UPS Module 15 A
Product Type
Uninterruptible DC power supply / DC UPS module
Rated Supply Voltage
24 V DC
Input Voltage Range
22–29 V DC
Rated Output Voltage
24 V DC
Rated Output Current
15 A
Peak Current
15.7 A
Buffering Method
Rechargeable battery modules
Buffer Response Voltage
22–25.5 V DC, adjustable in 0.5 V increments
Factory Response Voltage
22.5 V DC
Charging Current
0.35 A or 0.7 A
Typical Active Power
Approx. 360 W
Output Short-Circuit Protection
Yes
Mounting
DIN rail EN 60715 35 × 7.5/15
Connection Type
Screw terminals
Conformal Coating
Yes
Operating Temperature
-25 °C to +60 °C
Dimensions (L × W × H)
Approx. 12.5 × 5.0 × 12.5 cm
Net Weight
Approx. 0.469 kg
Recommended Companion Models
Model
Product Name
6EP1931-2EC21
Siemens SITOP DC UPS 24 V/15 A Module
6EP1935-6MD11
Siemens SITOP BAT 24 V/7 Ah Battery Module
6EP1935-6MF01
Siemens SITOP BAT 24 V/12 Ah Battery Module
6EP1935-6MG01
Siemens SITOP BAT 24 V/20 Ah Battery Module
Frequently Selected Alternatives
Model
Product Name
6EP1931-2DC21
Siemens SITOP DC UPS 24 V/6 A Module
6EP1931-2FC21
Siemens SITOP DC UPS 24 V/40 A Module
6EP4137-3AB00-0AY0
Siemens SITOP UPS1600 40 A Uninterruptible Power Supply
6AG1931-2DC21-2AA0
Siemens SIPLUS PS DC-UPS 24 V/6 A Module
Where It Fits in Industrial Applications
• Designed for industrial automation systems requiring uninterrupted 24 V DC power during temporary supply interruptions.
• Provides DC power buffering using connected 24 V rechargeable battery modules.
• Suitable for SIMATIC, PLC, industrial control, instrumentation, and other automation applications requiring reliable DC power continuity.
• Based on the Siemens 6EP1931-2EC21 SITOP DC UPS module with SIPLUS conformal coating.
• Intended for demanding industrial environments with an extended operating temperature range of -25 °C to +60 °C.
Key Strengths at a Glance
• Provides a rated output current of 15 A for 24 V DC loads.
• Supports 24 V DC buffering with connected rechargeable battery modules.
• Adjustable buffer response voltage from 22 V to 25.5 V in 0.5 V increments.
• Provides adjustable battery charging current of 0.35 A or 0.7 A.
• Includes screw-terminal connections for input, output, battery, and control/status circuits.
• DIN-rail mounting supports straightforward installation in industrial control cabinets.
• Conformal coating enhances suitability for demanding environmental conditions.
Technical FAQs
1. What is Siemens 6AG1931-2EC21-2AA0?
6AG1931-2EC21-2AA0 is a SIPLUS PS DC-UPS 24 V/15 A uninterruptible DC power supply module based on the Siemens 6EP1931-2EC21.
2. What is the main function of this DC UPS module?
The module buffers a 24 V DC power supply with connected rechargeable batteries, allowing connected automation equipment to continue operating during a temporary interruption of the primary DC supply.
3. What input voltage does the module require?
The rated supply voltage is 24 V DC, with an operating input range of 22 to 29 V DC.
4. What is the rated output current?
The module provides a rated output current of 15 A in both normal operation and battery-buffering operation.
5. What type of energy storage does the module use?
The DC UPS is designed to operate with rechargeable battery modules connected to its dedicated battery terminals.
6. Can the battery response voltage be adjusted?
Yes. The buffer connection response voltage can be adjusted from 22 V to 25.5 V in 0.5 V increments, with a factory preset value of 22.5 V.
7. What charging current settings are available?
The charging current can be configured for 0.35 A or 0.7 A, with approximately 0.7 A as the factory setting.
8. How is the module mounted?
The unit snaps onto an EN 60715 35 × 7.5/15 DIN rail and can be installed alongside compatible control-cabinet components.
9. What environmental characteristics distinguish the SIPLUS version?
The SIPLUS version features conformal coating and an extended operating temperature range of -25 °C to +60 °C, supporting use in more demanding industrial environments.
10. What should be verified before ordering this DC UPS module?
The 24 V DC supply voltage, 15 A load requirement, compatible battery module, required buffering time, control-circuit connections, and available DIN-rail installation space should be verified before ordering.
