# Power supply Black Box EMD4000-PSU 12V DC, replacement PSU for EMD4000 series

**URL:** https://aio.lv/en/product--black-box-emd4000-psu--10954016
**Data updated:** 2026-02-13 15:43 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** black box
**Manufacturer code:** EMD4000-PSU
**EAN:** 5715063460627
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 21.99 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 18.17 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--black-box-emd4000-psu--10954016

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.99 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

Black Box EMD4000-PSU is a 12 V DC power supply designed as the replacement PSU for the EMD4000 product family. It provides necessary regulated 12V power for compatible network and electronic devices, ensuring stable operation and protecting equipment from power interruptions. Suitable for service, maintenance, and onsite hardware replacement.

## Long description

Black Box EMD4000-PSU is a 12 V DC replacement power supply engineered for the EMD4000 series. It delivers regulated 12 V DC output to compatible network and electronic devices, providing the stable voltage required for continuous operation during service, maintenance, or onsite hardware replacement. The unit is intended to match the electrical characteristics of EMD4000-family equipment and to restore reliable power where the original supply is unavailable or defective.
Advantages
The replacement PSU offers regulated 12 V output to minimize voltage fluctuation and protect connected electronics from brownouts and transient spikes. Its compact design allows easy installation in rack or field environments and supports quick swap-out during maintenance tasks. The supply is manufactured to meet common safety and reliability expectations for network-support components, ensuring consistent performance for compatible devices.
Suitable for
 Onsite replacement of a failed power supply in EMD4000 series equipment
 Field maintenance and repair tasks requiring a compatible 12 V DC source
 Service technicians needing a spare PSU for network and electronic modules matching EMD4000 electrical requirements
 Temporary power restoration during troubleshooting of EMD4000-family systems
Key specifications
 Output voltage: regulated 12 V DC
 Intended use: replacement power supply for EMD4000-series devices
 Form factor: compact external/internal module suitable for field swapping
 Protection features: built-in regulation to reduce voltage fluctuations and transients
 Compatibility: designed to match electrical characteristics of EMD4000 product family
How to use
Before installation, disconnect the equipment from mains power and verify the voltage and polarity requirements of the target device. Remove the defective PSU according to the device manufacturer’s service instructions and install the replacement unit, ensuring secure electrical and mechanical connections. Reconnect mains power and confirm the target device powers on and operates normally. If the device does not start, recheck connections and verify the replacement PSU output with a multimeter before further troubleshooting.
Usage recommendations
Use the replacement power supply in environments that meet the original equipment’s temperature and humidity specifications. Store spares in a dry, dust-free location and perform visual inspections for damage prior to installation. For critical network systems, keep a tested spare PSU available to minimize downtime during maintenance.

## FAQ

### How much does the Power supply Black Box EMD4000-PSU 12V DC cost, and is it available for purchase?

The price is 21.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 06.07.2026 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: Cash payment, 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 black box 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 black box 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/10954016/68528229_large.webp