# Power Supply Unit MEAN WELL NDR-120-48

**URL:** https://aio.lv/en/product--mean-well-ndr-120-48--1621200
**Data updated:** 2025-12-29 07:43 (EET)
**Category:** Other goods
**Manufacturer:** mean well
**Manufacturer code:** NDR-120-48
**EAN:** 4021087026017
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 35.49 €
**Prices and availability valid until:** 2026-08-03 23:59
**Price without VAT (21%):** 29.33 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--mean-well-ndr-120-48--1621200

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Thursday | free |
| Pickup points | 14.07.2026 | 1.89 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

The MEAN WELL NDR-120-48 is a 120 W metallic power supply unit with an AC input voltage range of 115 - 230 V and a frequency of 47 - 63 Hz. It features a compact design with dimensions of 40 mm width, 113.5 mm depth, and 125.2 mm height. With an impressive MTBF of 456300 hours, this unit is UL508 and TUV EN60950-1 approved, ensuring safety and reliability for various applications.

## Long description

The MEAN WELL NDR-120-48 is a 120 W metal DIN-rail power supply with a universal AC input (115–230 V, 47–63 Hz) and convection cooling. Its compact housing (40 mm W × 113.5 mm D × 125.2 mm H) is designed for installation on TS-35/7.5 or 15 DIN rails. The unit is safety certified (UL508, TUV EN60950-1), undergoes 100% full-load burn-in testing and offers a high MTBF of 456,300 hours.
Advantages
The NDR-120-48 provides stable 48 V output power in a compact metallic enclosure suitable for control cabinets. Universal AC input and full-range operation simplify deployment across regions. Convection cooling eliminates the need for additional fans, reducing maintenance and noise. The device meets international safety standards and is factory-tested at full load for reliability.
Suitable for
 Industrial control cabinets and automation systems
 DIN-rail installations (TS-35/7.5 or 15)
 Telecommunications and network equipment requiring 48 V
 Low-maintenance power supply applications
Key specifications
 Output power: 120 W
 Output voltage: 48 V
 Input: AC 115–230 V, 47–63 Hz (universal)
 Cooling: convection (free air)
 Mounting: DIN rail TS-35/7.5 or 15
 Dimensions: 40 × 113.5 × 125.2 mm (W × D × H)
 Approvals: UL508, TUV EN60950-1
 MTBF: 456,300 hours
How to use
Mount the MEAN WELL NDR-120-48 on a TS-35/7.5 or 15 DIN rail inside a suitably ventilated enclosure. Connect the AC input to a proper mains supply within 115–230 V and attach the 48 V DC output to the load following polarity markings. Ensure appropriate wiring, fusing and grounding according to local electrical codes and the manufacturer’s installation instructions.
Usage recommendations
Install the unit where air can circulate freely to maintain convection cooling; avoid enclosed spaces without ventilation. Use correct cable cross-sections and protective devices at the input and output. Verify compatibility with connected equipment and observe safety approvals for the intended application.

## Specifications

| Feature | Value |
|---|---|
| Weight | 0.6 kg |
| Mean time between failures (MTBF) | 456300 h |
| Safety | Ul508, TUV EN60950-1 approved ;(meet EN60204-1) |
| Operating relative humidity (H-H) | 20 - 95 |
| Storage temperature (T-T) | -40 - 85 |
| Operating temperature (T-T) | -20 - 70 |
| Storage relative humidity (H-H) | 10 - 95 |
| Height | 125.2 mm |
| Width | 40 mm |
| Depth | 113.5 mm |
| Product colour | Metallic |
| Input current | 1.3 |
| Efficiency | 89 % |
| Hold time | 16 ms |
| Rise time | 60 ms |
| Power protection features | Overload, Short circuit, Overheating, Over voltage |
| AC input frequency | 47 - 63 |
| AC input voltage | 115 - 230 |
| Total power | 120 W |

## FAQ

### How much does the Power Supply Unit MEAN WELL NDR-120-48 cost, and is it available for purchase?

The price is 35.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 30 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 Thursday 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 mean well 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 mean well 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/1621200/64167383_large.webp

