# Control Unit for EC Filter Fan Rittal 3235440, compatible with Rittal EC filter fans

**URL:** https://aio.lv/en/product--rittal-3235440--10978720
**Data updated:** 2026-04-29 13:47 (EEST)
**Category:** Computer Component Accessories
**Manufacturer:** Rittal
**Manufacturer code:** 3235440
**EAN:** 4028177670716
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 155.49 €
**Prices and availability valid until:** 2026-07-17 23:59
**Price without VAT (21%):** 128.50 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--rittal-3235440--10978720

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 20.07.2026 | free |
| Pickup points | 23.07.2026 | 1.99 EUR |
| Courier delivery to door | 23.07.2026 | 4.99 EUR |

## Summary description

Rittal control unit (model 3235440) for EC filter fans provides centralized control and regulation of compatible Rittal EC filter fan units. Designed to manage fan operation, this controller handles start/stop commands and speed regulation for ventilation in electrical enclosures and control cabinets. Use it to ensure reliable cooling, filtered airflow management and system integration within industrial and IT cabinets.

## Long description

The Rittal control unit for EC filter fans is a compact controller designed to centralize operation and speed regulation of compatible EC filter fan modules in electrical enclosures and control cabinets. It accepts start/stop commands and adjusts fan speed to maintain required ventilation and filtered airflow. The control unit integrates with standard cabinet installations to support reliable cooling of electronic and electrical components while helping to manage energy use through efficient EC motor control.
Advantages
This control unit provides steady and adjustable speed control for EC filter fans, enabling precise ventilation management in cabinet and enclosure environments. It simplifies wiring and system integration by centralizing fan commands and offers consistent operation under varying load or ambient conditions. The design focuses on compatibility with Rittal EC filter fans and aims to support quiet, efficient airflow that protects internal components from overheating and dust ingress.
Suitable for
Ventilation and cooling of electrical enclosures and control cabinets
Data centre and IT rack cooling where filtered airflow is required
Industrial control panels and switchgear requiring regulated fan operation
Retrofit projects replacing manual or unregulated fan controls
When it may not be suitable
This control unit is intended for use with compatible Rittal EC filter fans and may not function correctly with unrelated fan types or non-EC motors. It is not a standalone cooling solution for large open spaces or rooms; its purpose is confined to enclosed cabinets and similar small-volume applications. Confirm electrical compatibility and mounting space within the target enclosure before installation.
Key specifications
Function: centralized start/stop control and speed regulation for EC filter fans
Application: ventilation of electrical cabinets, enclosures, and IT racks
Control type: electronic speed control suited for EC motor technology
Integration: designed for cabinet-mounted installation and system wiring
Performance focus: stable ventilation, filtered airflow management, and energy-efficient operation
How to use
Install the control unit inside the cabinet according to the enclosure layout and manufacturer mounting recommendations. Connect the unit to the compatible EC filter fan modules and to the cabinet power supply following standard electrical safety practices. Use the control inputs to send start/stop signals and set required speed levels or link to a higher-level control system for automated regulation. Verify operation by observing fan response to commands and checking airflow through the filter fan modules.
What to consider before purchase
Confirm compatibility with the specific model of EC filter fans installed in your cabinets
Ensure available internal space and appropriate electrical connections within the enclosure
Verify that the intended control signals and integration options match your system architecture
Assess whether airflow and cooling capacity of the connected fans meet your thermal management needs
Usage recommendations
For reliable cabinet cooling, pair the control unit with Rittal EC filter fans of matching specifications, follow Rittal installation guidelines, and routinely inspect filters and fan operation to maintain airflow and component protection.

## FAQ

### How much does the Rittal Control Unit 3235440 for EC Filter Fans cost, and is it available for purchase?

The price is 155.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 224 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 20.07.2026 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/10978720/66006572_large.webp