6EP1931-2FC21

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The Siemens 6EP1931-2FC21 is a robust and reliable power supply module from the SITOP series, designed to ensure uninterrupted power for a wide range of industrial applications. This module is engineered to provide a steady 24V DC output with a substantial current capacity of 40A, making it an ideal choice for systems that require a stable and continuous power supply.

Crafted with precision, the 6EP1931-2FC21 features an efficient design that maximises uptime and minimises power loss, boasting an impressive efficiency rate of 97.2% at full load. Its ability to maintain power through unexpected outages is facilitated by its battery charging capabilities, which include options for 1A and 2A charging currents, ensuring that energy storage devices are kept at optimal levels for immediate backup when needed.

Installation and integration are made simple with its snap-on DIN rail mounting method, and the module's compact dimensions allow for convenient placement within control cabinets. The screw-type terminals provide secure and reliable electrical connections for both input and output, accommodating a range of wire sizes.

The 6EP1931-2FC21 also includes protective features such as reverse polarity protection, ensuring the longevity and safety of both the power supply and the connected equipment. Signalling capabilities via LED indicators provide immediate visual feedback on the operational status, including normal operation, battery mode, and alarm conditions.

With a mean time between failures (MTBF) of over 522,000 hours at 40°C, this power supply module is a testament to Siemens' commitment to quality and durability. It is a suitable choice for those seeking a dependable power solution that can withstand the rigours of industrial environments while providing seamless power continuity for critical operations.
Specification Description
Part Number 6EP1931-2FC21
Alternative Part Number 6EP19312FC21
Manufacturer Siemens
Category General Automation
Description SITOP Series Power Supply Module with 24V dc output
Short Description Uninterruptible power supply module
Height (mm) 125.00
Width (mm) 125.00
Depth (mm) 70.00
Weight (kg) 1.1
Input Voltage (V dc) 24
Output Voltage (V dc) 24
Output Current (A) 40
Efficiency (%) 97.2 typical at rated output
Power Loss (W) 28.6 typical at rated output voltage for rated output current
Battery Operation Power Loss 33.6 W typical during battery operation
Ambient Operating Temperature (°C) -25 to +60 with natural convection
Ambient Storage Temperature (°C) -40 to +85
Protection Class IP20
Mounting Type Snaps onto DIN rail EN 60715 35x7.5/15
MTBF at 40 °C (hours) 522,739
Commodity Code 85049099

What is the purpose of the SITOP Series Power Supply Module?

The SITOP Series Power Supply Module is designed to provide an uninterruptible power supply, ensuring that connected devices continue to operate smoothly in the event of power interruptions or fluctuations. It's particularly useful in industrial environments where consistent power is critical for operations.

Can this power supply module be used with batteries?

Yes, the module is compatible with batteries and includes features for mains buffering with a charging current of 1A to 2A, allowing it to maintain power supply in the absence of a direct power source.

What are the input and output voltage ratings for this module?

The module has an input supply voltage rated at 24V DC and provides an output voltage of 24V DC in both network operation and buffering mode.

What is the efficiency rating of this power supply module?

The module boasts a high efficiency rating, with 97.2% efficiency at the rated output voltage and current in normal operation, and 96.9% efficiency during battery operation.

How is the module protected against incorrect wiring?

The module includes reverse polarity protection against both energy storage unit polarity reversal and input voltage polarity reversal, safeguarding the system from potential wiring errors.

What kind of signaling does the module provide?

The module features LED indicators for normal operation, buffering mode, and alarms, as well as floating changeover contacts for various states, providing clear and immediate status updates.

Is the module easy to install?

Yes, the module is designed for ease of installation with a snap-on feature onto DIN rail EN 60715 35x7.5/15, and it has screw-type terminals for secure electrical connections.

What is the ambient temperature range for operating this module?

The module can operate within an ambient temperature range of -25 to +60°C with natural convection, ensuring reliable performance in a variety of industrial environments.

Does the module have any certifications?

The module carries the CE marking, indicating compliance with the relevant European Union health, safety, and environmental protection standards.

What is the Mean Time Between Failures (MTBF) for this module?

The module has an impressive MTBF of 522,739 hours at 40°C, highlighting its reliability and durability over extended periods of use.

  • Backup power supply for industrial automation systems
  • Emergency power for critical process control equipment
  • Uninterruptible power source for PLCs (Programmable Logic Controllers)
  • Power continuity for HMI (Human Machine Interface) panels
  • Energy storage for robotic manufacturing lines
  • Power protection for sensitive electronic devices in harsh industrial environments
  • Buffering power supply for CNC (Computer Numerical Control) machinery
  • Maintaining power for process instrumentation and sensors
  • Ensuring operational uptime for SCADA (Supervisory Control and Data Acquisition) systems
  • Power backup for telecommunications equipment within industrial settings

This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.

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