# Power Supply Adapter 12V 300mA NA model 12V/300MA/J-ESPE (MPN 12V/300MA/J-ESPE)

**URL:** https://aio.lv/en/product--na-12v300maj-espe--11988126
**Data updated:** 2026-03-11 18:21 (EET)
**Category:** Portable Device Chargers
**Manufacturer:** NA
**Manufacturer code:** 12V/300MA/J-ESPE
**EAN:** 5904139604182
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 13.99 €
**Prices and availability valid until:** 2026-07-26 23:59
**Price without VAT (21%):** 11.56 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--na-12v300maj-espe--11988126

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

Switching power supply adapter NA, model 12V/300MA/J-ESPE, delivers 12 V DC at up to 300 mA output. Designed for low-power electronic devices, sensors, and small LED installations, it provides regulated DC output with typical protections found in switching supplies. Use for replacing compatible 12V/300mA adapters or powering compact equipment requiring stable low-current supply.

## Long description

Power Supply Adapter 12V 300mA NA model 12V/300MA/J-ESPE is a compact switching power supply that provides a regulated 12 V DC output with a maximum current of 300 mA. It is intended for low-power electronic devices, sensors, small LED installations and other compact equipment that require a stable low-current supply. The adapter's switching topology delivers efficient voltage regulation and typically includes built-in protections against overcurrent, short-circuit and thermal events common to switching supplies.
Advantages
The adapter offers a compact form factor and low weight suitable for installations with limited space. Its regulated 12 V output ensures stable operation of connected devices within the 300 mA current limit. Switching design improves energy efficiency and reduces heat generation compared with linear supplies. Standard safety features typically present in switching adapters—such as overcurrent and short-circuit protection—help protect both the adapter and connected equipment during abnormal conditions.
Suitable for
 Low-power electronic devices and modules
 Environmental and industrial sensors
 Small LED strips, indicator lights and single LEDs with appropriate resistors
 Embedded systems, microcontroller boards and development kits requiring 12 V/≤300 mA
 Replacement for compatible 12 V, 300 mA adapters
Key specifications
 Output voltage: 12 V DC
 Maximum output current: 300 mA
 Supply type: switching (SMPS) topology
 Intended application: low-power devices, sensors, small LED installations
 Typical protections: overcurrent, short-circuit and thermal protection (as common for switching adapters)
 Form factor: compact external adapter suitable for space-constrained setups
How to use
Connect the adapter to a compatible mains outlet using the supplied power plug or cord, observing local mains voltage and grounding requirements. Verify the polarity and connector type match the target device before connecting. Plug the adapter's DC output into the device's power input and confirm the device's rated input accepts 12 V DC and up to 300 mA. Avoid overloading the adapter by ensuring the connected device's current consumption remains within the 300 mA limit. If the device includes polarity markings, match positive and negative accordingly.
Usage recommendations
Use this adapter in dry, well-ventilated locations and avoid covering the unit to prevent heat buildup. Check the connected device's power requirements before use, and replace the adapter if it shows signs of damage or overheating. For installations with LED strips or sensitive electronics, add appropriate current-limiting resistors or regulation circuitry if required to ensure stable operation within the 12 V/300 mA envelope.

## FAQ

### How much does the Power Supply 12V 300mA NA 12V/300MA/J-ESPE cost, and is it available for purchase?

The price is 13.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 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 14.07.2026 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 NA 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 NA 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/11988126/67443582_large.webp