# PULSAR PSB-12V5A buffer switching power supply for installation, 12 V DC, 5 A

**URL:** https://aio.lv/en/product--pulsar-31196--11988151
**Data updated:** 2026-03-11 18:21 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** PULSAR
**Manufacturer code:** 31196
**EAN:** 5902135317747
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 25.49 €
**Prices and availability valid until:** 2026-07-11 23:59
**Price without VAT (21%):** 21.07 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--pulsar-31196--11988151

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 03.07.2026 | free |
| Pickup points | 08.07.2026 | 1.99 EUR |
| Courier delivery to door | 08.07.2026 | 4.99 EUR |

## Summary description

PULSAR PSB-12V5A is a buffer (standby) switching power supply designed for built-in installation. It provides 12 V DC output at up to 5 A and includes buffering functionality to support connected devices during power disturbances. Suitable for powering security systems, access control, alarms and other low-voltage equipment where uninterrupted 12 V supply and integration into enclosures is required.

## Long description

PULSAR PSB-12V5A buffer switching power supply is a compact unit designed for built-in installation that provides a regulated 12 V DC output with a maximum current of 5 A. The device integrates buffering (standby) capability to maintain output during brief mains interruptions and supports continuous delivery of low-voltage power for professional systems. The supply is intended for integration into cabinets and enclosures where a stable 12 V source and automatic buffering are required.
Advantages
The power supply offers regulated 12 V DC output with up to 5 A current and an integrated buffer mode to support connected devices during short power disturbances. Its switching topology ensures efficient energy conversion and reduced heat generation compared with linear designs. The built-in format and mounting provisions simplify installation inside cabinets or control enclosures, and standard electrical protections contribute to reliable operation in daily use.
Suitable for
 Security systems (CCTV cameras, DVR/NVR accessories)
 Access control panels and electric locks
 Alarm panels and sensors
 Low-voltage professional electronics installed in cabinets
Key specifications
 Output voltage: 12 V DC regulated
 Maximum output current: 5 A
 Built-in buffering (standby) function to support load during mains interruptions
 Switching power supply topology for improved efficiency
 Designed for built-in / cabinet installation
 Protection features typical for installed power supplies (overload/short-circuit and thermal protection)
How to use
Mount the PSB-12V5A inside a suitable enclosure or cabinet following electrical safety standards and local regulations. Connect the AC input to the mains supply using appropriate wiring and protective devices. Connect devices requiring 12 V DC to the output terminals, ensuring the total connected current does not exceed 5 A. Verify correct polarity before powering connected equipment. If buffering is required, ensure any external battery or buffer module recommended by the installer is connected and configured according to system requirements. Regularly inspect connections and ventilation openings to maintain reliable operation.
Usage recommendations
Use the unit within its specified current and ambient temperature ranges, provide adequate ventilation inside the enclosure, and follow local wiring codes. For critical installations, pair the power supply with compatible battery backup and routine maintenance checks to ensure uninterrupted 12 V DC delivery.

## FAQ

### How much does the PULSAR PSB-12V5A 12V 5A buffer switching PSU cost, and is it available for purchase?

The price is 25.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 62 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 03.07.2026 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/11988151/67443606_large.webp