# Buffer power supply PULSAR PSB-48V3A for embedded systems, 48 V, 3 A

**URL:** https://aio.lv/en/product--pulsar-5902135318713--11661555
**Data updated:** 2026-03-08 08:43 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** PULSAR
**Manufacturer code:** 5902135318713
**EAN:** 5902135318713
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 51.49 €
**Prices and availability valid until:** 2026-07-25 23:59
**Price without VAT (21%):** 42.55 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--pulsar-5902135318713--11661555

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 13.07.2026 | free |
| Pickup points | 16.07.2026 | 1.89 EUR |
| Courier delivery to door | 16.07.2026 | 4.99 EUR |

## Summary description

PULSAR PSB-48V3A is a buffer power supply designed for embedded and integrated installations. It provides 48 V output at up to 3 A to support continuous operation of connected devices and to stabilise power during transient events. Suitable for security, telecom or automation equipment that require a reliable 48 V supply; helps prevent unexpected shutdowns and ensures stable performance.

## Long description

PULSAR PSB-48V3A is a buffer power supply designed for embedded and integrated installations. It delivers a regulated 48 V DC output with a maximum current of 3 A to support continuous operation of connected equipment and to stabilise voltage during transient events. The unit is intended for use where a compact, reliable 48 V source is required to maintain system uptime and prevent interruptions caused by brief power disturbances.
Advantages
The device provides a stable 48 V output with up to 3 A current capacity in a compact form factor suitable for embedded systems. Its design focuses on uninterrupted operation and integration into security, telecom and automation racks or enclosures. Built to maintain consistent voltage under load changes, it reduces the risk of unexpected shutdowns and supports reliable performance of connected devices.
Suitable for
Security systems such as access control and surveillance cameras
Telecommunications equipment and network devices requiring 48 V
Automation controllers and embedded industrial modules
Backup circuits and systems needing temporary buffering during power events
Key specifications
Nominal output voltage: 48 V DC
Maximum output current: 3 A
Function: buffer/standby power supply for embedded installations
Form factor: compact unit suitable for integration in racks or enclosures
Primary use: stabilisation of supply voltage and prevention of short interruptions
How to use
Install the PULSAR PSB-48V3A according to site electrical safety standards and the mounting requirements of the enclosure or rack. Connect the input supply and the 48 V output lines to the intended devices, observing correct polarity and secure terminal connections. Verify load currents do not exceed the 3 A rating and ensure adequate ventilation around the unit. Perform initial power-up checks and monitor output voltage to confirm stable operation before placing connected equipment into service.
Usage recommendations
Use the unit in environments within the manufacturer’s specified temperature and humidity ranges and protect it from direct exposure to moisture and dust. For reliable buffering, avoid continuous operation at peak current and provide periodic maintenance checks of terminals and ventilation to prolong service life.

## FAQ

### How much does the PULSAR PSB-48V3A buffer power supply 48V 3A cost, and is it available for purchase?

The price is 51.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 6 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 13.07.2026 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 PULSAR 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 PULSAR 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/11661555/66951190_large.webp