# Power supply unit KERN & SOHN PFB-A02 — AC 100–240 V input, output 12 V 500 mA, black

**URL:** https://aio.lv/en/product--kern-sohn-pfb-a02--12367600
**Data updated:** 2026-04-26 18:55 (EEST)
**Category:** Home Goods Accessories
**Manufacturer:** kern & sohn
**Manufacturer code:** PFB-A02
**EAN:** 4045761106734
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 77.49 €
**Prices and availability valid until:** 2026-07-24 23:59
**Price without VAT (21%):** 64.04 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--kern-sohn-pfb-a02--12367600

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 23.07.2026 | free |
| Pickup points | 28.07.2026 | 1.89 EUR |
| Courier delivery to door | 28.07.2026 | 4.99 EUR |

## Summary description

External power supply unit KERN & SOHN PFB-A02 with AC input 100–240 V and a 12 V 500 mA DC output in a black enclosure. Designed to power compatible small electronic devices that require a 12 V/0.5 A adapter. Suitable for replacing or providing stable low-voltage supply for scales, instruments or other electronics with matching voltage and polarity.

## Long description

External power supply unit KERN & SOHN PFB-A02 provides a regulated 12 V DC output at 500 mA from a universal AC input of 100–240 V. Housed in a compact black enclosure, it is intended to supply low-power electronic devices that require a 12 V/0.5 A adapter and matching polarity. The adapter delivers a stable low-voltage source designed for continuous operation with small instruments and consumer electronics.
Advantages
The PFB-A02 offers wide input voltage compatibility (100–240 V AC) for use in different regions without a step-down transformer. Its regulated 12 V DC output and 500 mA current rating provide predictable performance for devices with those requirements. The compact black housing is space-saving and easy to install near instruments or wall outlets, and the adapter is suitable as a direct replacement for compatible power supplies.
Suitable for
 Powering compact scales and measuring instruments that need 12 V DC at up to 0.5 A
 Replacing lost or faulty 12 V/500 mA external adapters for small electronics
 Supplying continuous low-voltage power for desktop devices and peripherals with matching voltage and polarity
When it may not be suitable
This power supply should not be used with devices that require higher current than 500 mA or a different output voltage. It is also not suitable for equipment that needs isolated or medically approved power sources unless the device documentation specifically allows a standard external adapter.
Key specifications
 Input voltage: 100–240 V AC
 Output voltage: 12 V DC
 Output current: 500 mA (0.5 A)
 Enclosure color: black
 Form factor: external/plug-in power adapter
How to use
Confirm that your device requires a 12 V DC supply and draws 500 mA or less, and check the required polarity of the plug. Connect the adapter to the device’s DC input connector, then plug the adapter into an AC mains outlet within the 100–240 V range. Ensure the connection is secure and inspect the cable and connector for any signs of wear before regular use. If the device does not power up, immediately disconnect and verify voltage, polarity and compatibility.
What to consider before purchase
 Verify the required output voltage and current of your device (12 V DC, ≤500 mA)
 Check plug polarity and connector size for compatibility
 Confirm local mains voltage is within 100–240 V AC
Usage recommendations
Use the adapter in a dry environment with adequate ventilation. Avoid coiling the cable tightly during operation and disconnect from mains when not in use for extended periods. If the connected device is critical or requires specific safety approvals, consult the device manufacturer to confirm this adapter is appropriate.

## Specifications

| Feature | Value |
|---|---|
| Product colour | Black |
| AC input voltage | 100 - 240 |

## FAQ

### How much does the Power supply KERN & SOHN PFB-A02 12V 500mA cost, and is it available for purchase?

The price is 77.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 17 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 23.07.2026 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 kern & sohn 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 kern & sohn 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/12367600/68488998_large.webp