# Fan Speed Controller Rittal 3235450 for EC fans, sensor-based speed regulation

**URL:** https://aio.lv/en/product--rittal-3235450--10743220
**Data updated:** 2026-04-29 13:47 (EEST)
**Category:** Computer Component Accessories
**Manufacturer:** Rittal
**Manufacturer code:** 3235450
**EAN:** 4028177696617
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 89.49 €
**Prices and availability valid until:** 2026-07-20 23:59
**Price without VAT (21%):** 73.96 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--rittal-3235450--10743220

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 23.07.2026 | free |
| Pickup points | 28.07.2026 | 1.99 EUR |
| Courier delivery to door | 28.07.2026 | 4.99 EUR |

## Summary description

Rittal 3235450 is a rack-mounted fan speed controller designed for EC (electronically commutated) fans. The unit provides sensor-based regulation of fan speed to maintain optimal airflow and temperature control in enclosures and server cabinets. It is intended for use in industrial and IT cabinet cooling systems where automatic speed adjustment improves energy efficiency and noise management.

## Long description

The Rittal 3235450 fan speed controller is a rack-mounted unit for EC (electronically commutated) fans that provides sensor-based regulation to maintain target airflow and enclosure temperature. Designed for industrial and IT cabinet cooling applications, this controller automatically adjusts fan speed according to temperature or differential sensors, helping to balance cooling performance, energy consumption and audible noise in server racks and control cabinets.
Advantages
The controller enables automatic, sensor-driven modulation of EC fan speed to deliver steady temperature control without constant manual adjustment. Its rack-compatible form factor and integration with common cabinet environments simplify installation and maintenance. By matching fan output to actual thermal demand, the unit can reduce power use and lower operational noise compared with fixed-speed solutions.
Suitable for
Cooling of server racks and IT cabinets in data centers and telecom rooms
Ventilation and temperature control in industrial control cabinets and switchgear
Applications where dynamic regulation of airflow improves energy efficiency and noise management
Retrofitting existing cabinets with EC fans that support sensor-based speed control
When it may not be suitable
This controller is specifically intended for use with EC (electronically commutated) fans and relies on sensor inputs for automated regulation. It may not be compatible with conventional AC fans or systems that lack appropriate sensor interfaces. For very small enclosures with minimal heat load or for installations that require only simple on/off fan operation, a dedicated speed controller may be unnecessary.
Key specifications
Mounting: Rack-mounted design suitable for cabinet installation
Fan type supported: EC (electronically commutated) fans
Control: Sensor-based automatic speed regulation (temperature/differential inputs)
Primary functions: Automatic modulation of fan speed for airflow and temperature control
Application environment: Industrial enclosures, IT/server cabinets, control cabinets
How to use
Install the controller in a compatible rack position inside the cabinet following cabinet layout and ventilation planning. Connect EC fans to the controller using the specified fan connectors and wire the temperature or differential sensors to the appropriate inputs. Configure sensor thresholds and control parameters according to the enclosure’s thermal profile so the controller increases or decreases fan speed in response to measured temperatures. Verify operation during initial commissioning by monitoring fan response across expected temperature ranges.
What to consider before purchase
Confirm fan compatibility: ensure your EC fans support sensor-based speed control
Check cabinet space and rack mounting requirements for proper fit
Ensure available sensor types and wiring in your system match the controller inputs
Evaluate thermal load to determine whether automatic regulation will provide benefits over fixed-speed fans
Usage recommendations
For reliable performance, pair the controller with EC fans from the same or compatible product families and use temperature sensors placed where they represent the critical temperature of the equipment. Periodically inspect sensor wiring and fan connections, and adjust control thresholds after operational testing to balance cooling, energy use and noise levels.

## FAQ

### How much does the Rittal 3235450 Fan Speed Controller 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 — 138 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 23.07.2026 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. 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/10743220/66005500_large.webp