# F&F ZI-21 Switching Power Supply 100-264VAC/DC to 24VDC 12W 0.5A

**URL:** https://aio.lv/en/product--ff-zi-21--12464308
**Data updated:** 2026-05-18 09:29 (EEST)
**Category:** Power Supplies (PSU)
**Manufacturer:** FF
**Manufacturer code:** ZI-21
**EAN:** 5908312596318
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 36.99 €
**Prices and availability valid until:** 2026-07-11 23:59
**Price without VAT (21%):** 30.57 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ff-zi-21--12464308

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.07.2026 | free |
| Pickup points | 07.07.2026 | 1.99 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

The F&F ZI-21 is a compact switching power supply designed for industrial and automation applications. It converts an input voltage range of 100-264VAC/DC into a stable 24VDC output. With a power rating of 12W and a maximum current of 0.5A, this unit provides reliable power for control systems, sensors, and low-voltage electronic devices, ensuring efficient performance in various electrical installations.

## Long description

The F&F ZI-21 is a high-performance switching power supply engineered for industrial and automation environments. This compact unit efficiently converts a wide input voltage range of 100-264VAC or DC into a steady, reliable 24VDC output. Designed for demanding electrical installations, it provides a stable power source for sensitive electronic components, ensuring consistent operation and protection against voltage fluctuations.
Advantages
This power supply unit stands out due to its versatile input voltage compatibility, allowing it to function seamlessly across various global power standards without the need for manual adjustments. Its compact design facilitates easy integration into control cabinets and tight spaces where mounting surface area is limited. Furthermore, the device offers high energy efficiency and reliable thermal management, which contributes to a longer service life and reduced operational costs in continuous duty cycles.
Suitable for
Powering industrial automation control systems
Supplying voltage to sensors and transducers
Operating low-voltage relays and contactors
Supporting small-scale electronic control panels
When it may not be suitable
This power supply is not intended for high-power applications that exceed its 12W rating or 0.5A current limit. It should not be used in environments where the ambient temperature exceeds the manufacturer's specified operating range or in locations with high levels of moisture or corrosive gases that could compromise the internal components.
Key specifications
Input voltage range: 100-264VAC/DC
Output voltage: 24VDC
Maximum power output: 12W
Maximum output current: 0.5A
Compact industrial design
How to use
Installation should be performed by a qualified professional in accordance with local electrical regulations. The unit is typically mounted on a standard DIN rail or a flat surface within an enclosure. Connect the input power lines to the designated input terminals, ensuring the polarity is correct if using DC input. Connect the output terminals to the load, verifying that the total power consumption of the connected devices does not exceed the 12W limit. Always ensure proper ventilation around the unit to prevent overheating during operation.
What to consider before purchase
Verify that the total load current does not exceed 0.5A
Ensure the installation environment meets the required IP rating for the enclosure
Check that the input voltage source is within the specified 100-264V range
Confirm that the physical dimensions fit your intended mounting space
Usage recommendations: Regularly inspect the terminal connections for tightness and ensure the ventilation slots remain free of dust or debris to maintain optimal thermal performance.

## FAQ

### How much does the F&F ZI-21 Switching Power Supply 24VDC 12W cost, and is it available for purchase?

The price is 36.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 26 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 02.07.2026 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 FF 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 FF 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/12464308/68765971_large.webp