# Buffer Power Supply Atte APS-90-550-OF, model APS-90-550-OF

**URL:** https://aio.lv/en/product--atte-aps-90-550-of--12101899
**Data updated:** 2026-03-17 20:27 (EET)
**Category:** UPS
**Manufacturer:** Atte
**Manufacturer code:** APS-90-550-OF
**EAN:** 5902143691129
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 40.49 €
**Prices and availability valid until:** 2026-07-17 23:59
**Price without VAT (21%):** 33.46 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--atte-aps-90-550-of--12101899

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 08.07.2026 | free |
| Pickup points | 13.07.2026 | 1.99 EUR |
| Courier delivery to door | 13.07.2026 | 4.99 EUR |

## Summary description

Atte APS-90-550-OF is a buffer (backup) power supply designed to provide uninterrupted power to connected devices. The APS-90-550-OF model delivers stable output for backup applications, protecting equipment during mains interruptions and facilitating controlled shutdowns. Suitable for security, telecommunications, and industrial control systems requiring reliable temporary power.

## Long description

Atte APS-90-550-OF is a buffer (backup) power supply engineered to deliver temporary, stable power to connected equipment during mains interruptions. The unit provides a controlled power source that maintains operation for a limited time, enabling orderly shutdowns or uninterrupted function for critical systems. Designed for installations where short-term autonomy and reliable voltage output are required, this model integrates with security, telecommunications and industrial control setups.
Advantages
The buffer power supply offers stable output voltage under varying load conditions and supports automatic switching between mains and backup operation, ensuring minimal disruption. Its design focuses on consistent performance for backup scenarios, providing predictable hold-up time and protection against unexpected power loss. The device is compact for its class and intended for straightforward integration into existing systems.
Suitable for
 Security systems and alarm panels
 Telecommunications equipment and network hardware
 Industrial control panels and PLCs requiring short-term backup
 Access control, CCTV and monitoring installations
 Any application needing controlled shutdown or temporary power hold-up
Key specifications
 Function: Buffer / backup power supply providing temporary power during mains failure
 Output characteristics: stable regulated output suitable for connected loads
 Integration: designed for installation in security, telecom and industrial environments
 Form factor: compact unit suitable for rack, cabinet or DIN-rail-adjacent mounting in control enclosures
 Operational focus: automatic switching between mains and backup to enable controlled shutdowns
How to use
Install the unit in a suitable technical enclosure following local electrical codes and the manufacturer's mounting recommendations. Connect the mains input and the required outputs to the loads, taking care to verify polarity and wiring quality. If batteries or external storage are required for extended autonomy, connect them as specified by the system design and ensure proper battery maintenance. After installation, perform a functional test to confirm automatic switching and verify that connected devices receive continuous power during simulated mains interruptions.
Usage recommendations
Place the buffer supply in a ventilated area with stable ambient temperature and protect it from moisture and dust. Periodically check connections and any connected battery or storage components for corrosion or wear. For critical installations, include routine testing of the automatic transfer operation and battery capacity verification to ensure continued availability of temporary power.

## FAQ

### How much does the Buffer Power Supply Atte APS-90-550-OF cost, and is it available for purchase?

The price is 40.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 15 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 08.07.2026 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 Atte 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 Atte 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/12101899/67633732_large.webp