# DIN rail power supply QOLTEC 50920, single-phase, for industrial installations

**URL:** https://aio.lv/en/product--qoltec-50920--4214363
**Data updated:** 2025-12-29 15:46 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** QOLTEC
**Manufacturer code:** 50920
**EAN:** 5901878509204
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 34.49 €
**Prices and availability valid until:** 2026-07-13 23:59
**Price without VAT (21%):** 28.50 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--qoltec-50920--4214363

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.99 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

QOLTEC 50920 is a DIN-rail power supply designed for mounting in control cabinets and industrial electrical panels. As a single-phase unit from QOLTEC it provides a compact and robust solution for powering automation equipment, PLCs, sensors and small drives. Its rail-mount form factor simplifies installation and wiring, making it suitable for machine control, building automation and maintenance setups.

## Long description

QOLTEC 50920 is a single-phase DIN-rail power supply engineered for mounting in control cabinets and industrial electrical panels. The unit delivers 12 V DC at up to 4.5 A (54 W) in a compact, rail-mounted enclosure, supplying power to automation equipment such as PLCs, sensors and small drives. Its design focuses on reliable operation in machine control, building automation and industrial maintenance systems.
Advantages
The QOLTEC 50920 offers a standardized DIN-rail form factor for easy installation and secure mounting in control cabinets. It provides stable 12 V DC output with a maximum power of 54 W and overload protection suitable for typical automation loads. The compact, gray enclosure saves panel space and supports tidy wiring in industrial environments.
Suitable for
 Powering PLCs and control modules
 Supplying sensors and field devices
 Small drives and actuators
 Machine control panels and building automation
Key specifications
 Output voltage: 12 V DC
 Maximum current: 4.5 A
 Maximum output power: 54 W
 Mounting: DIN-rail
 Phase: single-phase
 Manufacturer: QOLTEC, model 50920
 EAN: 5901878509204
How to use
Mount the QOLTEC 50920 on a standard DIN rail inside a suitably rated control cabinet. Connect the single-phase AC supply to the input terminals following the manufacturer's wiring diagram and local electrical codes. Connect the DC output (+12 V and 0 V) to the load, ensuring the total current does not exceed 4.5 A. Verify correct polarity and secure all terminal connections before applying power.
Usage recommendations
Use appropriate overcurrent protection on the AC input and ensure ventilation space around the unit. For reliable operation, keep the operating temperature and installation environment within the limits specified by the equipment manufacturer and perform periodic inspections of connections and load conditions.

## FAQ

### How much does the DIN rail power supply QOLTEC 50920 cost, and is it available for purchase?

The price is 34.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 377 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 09.07.2026 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, Bank cards on-line, Apple Pay, Google Pay. 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 QOLTEC 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 QOLTEC 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

https://aio.lv/img/cache/product/4214363/51750904_large.webp