# Uninterruptible Power Supply UPS Siemens 6EP1931-2DC21

**URL:** https://aio.lv/en/product--siemens-6ep1931-2dc21--1627591
**Data updated:** 2026-01-13 17:30 (EET)
**Category:** UPS
**Manufacturer:** Siemens
**Manufacturer code:** 6EP1931-2DC21
**EAN:** 4025515151012
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 247.49 €
**Prices and availability valid until:** 2026-07-22 23:59
**Price without VAT (21%):** 204.54 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-6ep1931-2dc21--1627591

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 23.07.2026 | free |
| Pickup points | 28.07.2026 | 1.89 EUR |
| Courier delivery to door | 28.07.2026 | 4.99 EUR |

## Summary description

The Siemens 6EP1931-2DC21 is a reliable uninterruptible power supply (UPS) designed to provide backup power for critical applications. It features a compact design, high efficiency, and advanced battery management for optimal performance. With a wide input voltage range and short circuit protection, this UPS ensures continuous operation during power outages, safeguarding your equipment and data.

## Long description

The Siemens 6EP1931-2DC21 uninterruptible power supply (UPS) provides reliable short-term backup power for critical equipment. Designed with a compact footprint and efficient power conversion, this UPS supports continuance of operation during brief mains interruptions and helps protect connected devices from voltage fluctuations. It includes battery management features and protective circuits intended to extend battery life and reduce risk to sensitive electronics.
Advantages
This UPS offers compact dimensions that suit constrained installation spaces and energy-efficient operation to minimise heat generation and running costs. Integrated battery management optimises charge cycles and helps maintain battery health. Built-in protection against short circuits and wide input voltage tolerance improves resilience to unstable mains supply, reducing downtime risk for connected equipment.
Suitable for
 Backup for industrial control units and PLCs
 Protection of communication and networking equipment
 Short-term power support for measurement and instrumentation devices
 Uninterrupted supply for point-of-sale and small server systems
Key specifications
 Form factor: compact, DIN-rail or panel-mountable compatible dimensions for control cabinets
 Output type: DC backup output suitable for industrial electronics
 Input voltage range: wide tolerance to accommodate voltage fluctuations
 Battery management: built-in charge and discharge control to extend battery life
 Protection features: short circuit protection and overcurrent safeguards
 Efficiency: designed for low losses during normal operation
How to use
Install the UPS in a dry, ventilated area inside an appropriate control cabinet or enclosure with easy access to the battery and wiring terminals. Connect the mains input and the DC output according to the equipment wiring diagram, ensuring correct polarity and secure connections. Verify that the connected load is within the UPS power and runtime capabilities and perform an initial battery charge cycle if required. Regularly check status indicators and test the UPS under simulated mains failure to confirm proper operation.
Usage recommendations
For reliable operation, use matching battery types recommended by the equipment manufacturer, maintain ambient temperature within specified ranges, and perform periodic testing and preventive maintenance. Keep wiring tidy and protected from mechanical stress and verify connection tightness after initial installation and during scheduled inspections.

## FAQ

### How much does the Uninterruptible Power Supply UPS Siemens 6EP1931-2DC21 cost, and is it available for purchase?

The price is 247.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 6 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 23.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Siemens products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Siemens service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

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