# UPS PULSAR SWB-300RACK buffered power supply for PoE switches 54V DC 300W 4×17Ah

**URL:** https://aio.lv/en/product--pulsar-swb-300rack--11855619
**Data updated:** 2026-03-09 17:31 (EET)
**Category:** UPS
**Manufacturer:** PULSAR
**Manufacturer code:** SWB-300RACK
**EAN:** 5902135319840
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 269.99 €
**Prices and availability valid until:** 2026-07-19 23:59
**Price without VAT (21%):** 223.13 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--pulsar-swb-300rack--11855619

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.99 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

Rack-mount buffered power supply PULSAR SWB-300RACK provides 54V DC output and up to 300W for powering PoE network switches. It includes four 17Ah batteries (4×17Ah) for backup autonomy and is designed for continuous DC supply, controlled shutdown and protection of network equipment. Suitable for server rooms, telecom closets and surveillance installations requiring reliable PoE power.

## Long description

UPS PULSAR SWB-300RACK buffered power supply is a rack-mount unit that delivers 54V DC and up to 300W of continuous power for PoE network switches. Designed to provide stable DC output and backup autonomy, it includes four 17Ah batteries to maintain operation during mains interruptions. The unit supports controlled shutdown and protection functions to preserve connected equipment and is intended for use in server rooms, telecom closets and surveillance systems that require uninterrupted PoE power.
Advantages
The PULSAR SWB-300RACK offers a compact rackable design that integrates buffered DC power and battery backup, minimizing installation footprint. Built-in battery capacity ensures sustained operation of PoE switches during power outages, while protective circuitry and controlled shutdown features reduce the risk of damage to network devices. The unit’s stable 54V DC output provides compatibility with standard PoE switch inputs and simplifies power distribution in rack environments.
Suitable for
 Feeding PoE network switches in server rooms and data cabinets
 Powering network equipment in telecom closets and MDF/IDF racks
 Supplying surveillance systems with continuous PoE power for cameras and NVRs
 Environments requiring controlled shutdown and short-term battery autonomy
Key specifications
 Output voltage: 54V DC
 Maximum output power: 300W
 Battery configuration: four sealed lead-acid batteries, each 17Ah
 Form factor: rack-mount housing suitable for standard server racks
 Functions: buffered DC supply, battery-backed operation, controlled shutdown and protective circuitry
How to use
Install the SWB-300RACK into a compatible 19-inch rack space and connect mains power according to the installation manual. Connect the 54V DC output to the PoE switch input or distribution bus using appropriate cabling and polarity. Verify battery connections and charge status before placing the unit into service. During normal operation the unit supplies stabilized DC power and charges the batteries; if mains fails the batteries automatically supply load current and controlled shutdown procedures can be executed if configured.
Usage recommendations
Place the unit in a well-ventilated rack location away from direct heat sources, ensure access for maintenance and periodic battery checks, and use cables and connectors rated for 54V DC and the expected current. Follow manufacturer guidance for battery replacement intervals and disposal. For critical installations, test failover behavior and load autonomy to confirm required backup time for your PoE devices.

## FAQ

### How much does the PULSAR SWB-300RACK UPS 54V DC 300W cost, and is it available for purchase?

The price is 269.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 999 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 14.07.2026 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 PULSAR SWB-300RACK UPS 54V DC 300W 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 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/11855619/67253918_large.webp