# Buffered Switching Power Supply Atte AUPS-40-120-E

**URL:** https://aio.lv/en/product--atte-aups-40-120-e--11988208
**Data updated:** 2026-03-11 18:21 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** Atte
**Manufacturer code:** AUPS-40-120-E
**EAN:** 5902143691143
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 89.49 €
**Prices and availability valid until:** 2026-07-15 23:59
**Price without VAT (21%):** 73.96 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--atte-aups-40-120-e--11988208

## 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

Atte AUPS-40-120-E is a buffered switching (impulse) power supply designed to provide stable DC power with built-in buffering for short interruptions. As a compact module from Atte, it suits backup and uninterrupted power applications for control panels, alarm systems, access control and small industrial or commercial devices that require reliable DC supply.

## Long description

Atte AUPS-40-120-E is a buffered switching (impulse) power supply designed to deliver stable DC output with built-in buffering against short power interruptions. The compact Atte module combines a switching regulator with energy storage elements to keep connected control panels, alarm systems, access control units and small industrial or commercial devices powered during brief mains disturbances. The product is intended for applications requiring a reliable, regulated DC source with rapid response to load changes and transient events.
Advantages
The buffered switching design provides efficient DC conversion while maintaining output stability during short outages. Compact dimensions allow installation inside enclosures and control cabinets with limited space. The unit offers low ripple and quick load regulation typical of switching supplies, reducing stress on downstream electronics. Its buffering capability smooths transient loss of mains power without the need for a separate UPS for short interruptions.
Suitable for
 Alarm and security control panels
 Access control and door-entry systems
 Small industrial controllers and instrumentation
 Telemetry and communication modules requiring uninterrupted DC
 Backup power for low-power automation elements
Key specifications
 Type: Buffered switching (impulse) DC power supply
 Output: Regulated DC suitable for control and security devices
 Buffering: Built-in energy buffering for short mains interruptions
 Form factor: Compact module for enclosure or DIN-mounted installations
 Performance: Low ripple and fast transient response typical of switching regulators
How to use
Install the Atte AUPS-40-120-E inside an appropriate electrical enclosure or on a supported mounting surface according to relevant safety and wiring standards. Connect the input to a suitable AC supply and wire the regulated DC output to the load, observing polarity and recommended wiring practices for low-voltage DC systems. Ensure the device has adequate ventilation and that any backup batteries or external buffering elements are connected and maintained if used in the application. Verify output voltage under load and test buffering behaviour during controlled mains interruptions before commissioning the system.
Usage recommendations
Place the unit in a dry, ventilated location away from heat sources and corrosive atmospheres. Use appropriate fusing and overcurrent protection on input and output lines. Periodically inspect connections for corrosion or loosening and verify buffering performance as part of routine maintenance for alarm, access control, and automation systems.

## FAQ

### How much does the Atte AUPS-40-120-E buffered switching power supply cost, and is it available for purchase?

The price is 89.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 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: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Atte AUPS-40-120-E buffered switching power supply be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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/11988208/67443660_large.webp