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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 6EP1931-2EC21 |
| Alternative Part Number | 6EP19312EC21 |
| Manufacturer | Siemens |
| Category | General Automation |
| Input Voltage Range | 22 to 29 V DC |
| Output Voltage | 24 V DC |
| Output Current | 15 A DC |
| Charging Current | 0.35 A or 0.7 A (adjustable) |
| End-of-Charge Voltage | 26.3 to 29.3 V DC (adjustable) |
| Operating Temperature | -25°C to +60°C (with natural convection) |
| Storage Temperature | -40°C to +85°C |
| Installation Altitude | Up to 6,000 m above sea level |
| Protection Class | IP20 |
| Dimensions (H x W x D) | 125 mm x 50 mm x 125 mm |
| Mounting Method | DIN rail EN 60715 35x7.5/15 |
| Interface | No PC interface |
| Certifications | CE marking |
| EMC Standards | EN 55022 Class B, EN 61000-6-2 |
| Battery Compatibility | SITOP battery modules (e.g., 6EP1935-6MC01, 6EP1935-6MD11, 6EP1935-6ME21, or 6EP1935-6MF01) |
The Siemens 6EP1931-2EC21 is a robust power supply module from the renowned SITOP series. This module is designed to provide a reliable 24V DC power supply, making it an essential component for a wide range of industrial automation applications. The 6EP1931-2EC21 is equipped with reverse polarity protection, ensuring safety against energy storage unit polarity reversal and input voltage polarity reversal.
This power supply module also features a comprehensive signalling display version for normal operation and buffering mode, providing users with real-time status updates. It is designed to operate in a wide range of environmental conditions, with an operating temperature range of -25 to +60 degrees Celsius, making it suitable for use in challenging industrial environments.
The Siemens 6EP1931-2EC21 power supply module is not only reliable but also highly efficient, making it a valuable addition to your automation system. Please note that this part is designed for use with Siemens SITOP series and may not be compatible with other systems.
Commonly Asked Questions
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Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.
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Marvo is a highly credible supplier of industrial automation parts and components with dedicated hubs around the world offering industry-leading products and services. Marvo is committed to providing a quick, easy and reliable place to source your automation and control components. All purchases come as standard with a comprehensive 12-month return to base warranty meaning that, in just a few clicks, you can source critical parts more seamlessly than ever before. Click here to read an article on how Marvo is redefining convenience for automation and manufacturing professionals.
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Frequently Asked Questions
What is the main function of this part?
The Siemens 6EP1931-2EC21 is an Uninterrupted Power Supply (UPS) module designed to provide continuous power to connected devices in case of a power outage or fluctuations.
What are the key features of this UPS module?
The 6EP1931-2EC21 offers reverse polarity protection against energy storage unit polarity reversal and input voltage polarity reversal. It also provides various signaling options for normal operation, buffering mode, and battery status.
Is there any galvanic isolation between input and output?
No, the 6EP1931-2EC21 does not provide galvanic isolation between input and output.
What is the operating temperature range for this part?
The 6EP1931-2EC21 can operate in a temperature range of -25°C to +60°C with natural convection when mounted horizontally.
What is the protection class of this UPS module?
The Siemens 6EP1931-2EC21 has a protection class of IP20.
What are the EMC standards this part complies with?
The 6EP1931-2EC21 complies with EN 55022 Class B for emitted interference and EN 61000-6-2 for interference immunity.
Can this UPS module be used at high altitudes?
Yes, the 6EP1931-2EC21 can be used at altitudes up to 6,000 meters above sea level. However, output power derating of -7.5% per 1,000 meters or reduction of the ambient temperature by 5 K per 1,000 meters is required for operation at altitudes between 2,000 and 6,000 meters.
Part conditions explained
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New unsealed: The product is in its original packaging, but the packaging has been opened or unsealed. It has never been used and should be in near pristine condition.
New sealed: The product is sealed in its original packaging. It has never been opened or used, ensuring that it's in an untouched state.
New unboxed: The product does not come in its original packaging, but it has never been used and is in great working condition.
Refurbished: The product has been previously used, but it has undergone a thorough refurbishment process to restore it to a like-new or functional condition. Any defects or issues have been addressed, making it suitable for reuse.
Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.
