# Built-in cooling unit Rittal SK 3303.518 — 550 W, 115 V, 60 Hz, steel housing, grey

**URL:** https://aio.lv/en/product--rittal-3303518--12400951
**Data updated:** 2026-04-29 13:49 (EEST)
**Category:** Server Parts & Components
**Manufacturer:** Rittal
**Manufacturer code:** 3303518
**EAN:** 4028177943681
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 2 462.99 €
**Prices and availability valid until:** 2026-07-13 23:59
**Price without VAT (21%):** 2 035.53 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--rittal-3303518--12400951

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 15.07.2026 | free |
| Pickup points | 20.07.2026 | 1.99 EUR |
| Courier delivery to door | 20.07.2026 | 4.99 EUR |

## Summary description

Rittal SK 3303.518 is a built-in cooling unit designed for electrical enclosures and control cabinets. It delivers 550 W cooling power at 115 V and 60 Hz, housed in a grey steel enclosure for durable protection. The unit is intended for temperature management of sensitive electrical components in industrial and commercial installations.

## Long description

The Rittal SK 3303.518 is a built-in cooling unit engineered for temperature control inside electrical enclosures and control cabinets. Delivering 550 W of cooling power at 115 V and 60 Hz, this unit helps maintain stable operating temperatures for sensitive electronic and electrical components. The housing is steel with a grey finish, designed to provide mechanical protection and easy integration into industrial and commercial installations.
Advantages
This cooling unit provides a rated cooling capacity of 550 W suitable for compact to medium-density installations. Its 115 V, 60 Hz electrical rating aligns with North American mains supplies for straightforward power compatibility. The steel housing offers durability and helps protect internal components from mechanical impact while the built-in design simplifies mounting within enclosures and cabinets.
Suitable for
 Cooling electrical enclosures and control cabinets in industrial environments
 Protecting sensitive electronic components from overheating
 Use in installations requiring 115 V / 60 Hz supply
 Indoor and protected outdoor enclosures when installed per enclosure rating
When it may not be suitable
This unit is intended for integration into enclosures; it is not a stand-alone room air conditioner and is not suitable for cooling large open spaces. Applications that require different mains voltages, frequencies, or higher cooling capacities than 550 W will need an alternative model. Also verify enclosure ingress protection and environmental requirements before selection.
Key specifications
 Cooling capacity: 550 W
 Supply voltage and frequency: 115 V, 60 Hz
 Housing material: Steel
 Housing colour: Grey
 Mounting type: Built-in for electrical enclosures/control cabinets
How to use
Mount the cooling unit into the designated cut-out or mounting position of the electrical enclosure according to the enclosure manufacturer and unit installation instructions. Connect to a compatible 115 V, 60 Hz power supply via appropriate wiring and protective devices. Set thermostat or control elements (if provided) to the desired setpoint and verify airflow and temperature drop across the enclosure. Perform commissioning checks to confirm stable operation and monitor for proper condensate drainage or filtration if applicable.
What to consider before purchase
 Required cooling capacity for the enclosure and heat-generating components
 Compatibility with 115 V / 60 Hz mains supply
 Enclosure cut-out and mounting dimensions for built-in installation
 Ingress protection and environmental conditions at installation site
Usage recommendations
Ensure regular maintenance such as cleaning filters, checking fans and airflow paths, and verifying electrical connections. Match the unit to the enclosure thermal load and follow the manufacturer's mounting and ventilation guidelines to achieve reliable temperature control.

## Specifications

| Feature | Value |
|---|---|
| Weight | 30.5 kg |
| Package weight | 36500 g |
| Height | 620 mm |
| Input voltage | 115 |
| Width | 285 mm |
| Depth | 298 mm |
| Input frequency | 60 |
| Manual | Yes |
| Package type | Box |
| Housing material | Steel |
| Input power | 550 W |
| Built-in display | Yes |
| Housing colour | Grey |
| Number of input phases | 1 |

## FAQ

### How much does the Rittal SK 3303.518 built-in cooling unit 550 W cost, and is it available for purchase?

The price is 2,462.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 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 15.07.2026 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, Leasing for legal entities. 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 Rittal 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 Rittal 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/12400951/68689847_large.webp