# Uninterruptible Power Supply UPS Siemens 6EP1935-6ME21

**URL:** https://aio.lv/en/product--siemens-6ep1935-6me21--1627606
**Data updated:** 2026-01-13 17:30 (EET)
**Category:** UPS
**Manufacturer:** Siemens
**Manufacturer code:** 6EP1935-6ME21
**EAN:** 4025515150497
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 188.49 €
**Prices and availability valid until:** 2026-07-31 23:59
**Price without VAT (21%):** 155.78 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-6ep1935-6me21--1627606

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 29.07.2026 | free |
| Pickup points | 03.08.2026 | 1.89 EUR |
| Courier delivery to door | 03.08.2026 | 5.34 EUR |

## Summary description

The Siemens 6EP1935-6ME21 is a reliable uninterruptible power supply (UPS) designed to provide continuous power to critical systems. 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 the safety and reliability of your equipment during power outages.

## Long description

The Siemens 6EP1935-6ME21 uninterruptible power supply (UPS) provides stable backup power for critical electrical and electronic devices. Its compact design and efficient operation are intended to maintain continuity of supply during short outages and voltage fluctuations. The unit includes advanced battery management and short-circuit protection to protect connected equipment and extend battery life.
Advantages
This UPS delivers continuous power with a compact footprint suited for control cabinets and small installations. High-efficiency conversion reduces heat generation and energy loss. Integrated battery management optimizes charge cycles and monitors battery status to help maintain reliable backup time. Built-in short-circuit protection and an extended input voltage range improve resilience against unstable mains supply.
Suitable for
 PLC systems and industrial controllers
 Control cabinets and automation panels
 Network equipment and communication devices
 Sensor and actuator installations requiring uninterrupted supply
Key specifications
 Form factor: compact DIN-rail compatible unit for cabinet mounting
 Backup source: sealed lead-acid or valve-regulated battery supported with built-in management
 Input characteristics: wide input voltage range to tolerate mains fluctuations
 Protection features: short-circuit protection on the output
 Efficiency: designed for high conversion efficiency to minimize heat and energy loss
 Monitoring: onboard battery status and charge control
How to use
Install the UPS inside an appropriate control cabinet on a DIN rail or other suitable mounting surface, ensuring adequate ventilation and ambient temperature within the manufacturer's recommended range. Connect the mains input and the battery supply according to the electrical wiring standards and the device’s connection diagram. Attach critical loads to the output terminals so that they receive continuous power during mains disturbances. Verify battery connection and charge status before commissioning, and perform initial functional checks to confirm correct operation.
Usage recommendations
Inspect the battery periodically and replace it according to the expected service life and measured capacity. Keep ventilation openings clear and maintain ambient temperature within the recommended limits to preserve efficiency and battery longevity. For installations with higher runtime requirements, consider sizing the external battery capacity or an additional battery module consistent with the UPS's supported configuration. Follow local electrical codes and Siemens installation instructions for safe and compliant setup.

## FAQ

### How much does the Uninterruptible Power Supply Siemens 6EP1935-6ME21 cost, and is it available for purchase?

The price is 188.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 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 29.07.2026 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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