# Eltako FSU14 RS485 bus switching actuator, 8-channel DIN-rail (MPN 30014015)

**URL:** https://aio.lv/en/product--eltako-30014015--3512276
**Data updated:** 2026-03-07 11:07 (EET)
**Category:** Control Systems
**Manufacturer:** Eltako
**Manufacturer code:** 30014015
**EAN:** 4010312313831
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

Eltako FSU14 is an RS485 bus switching actuator with 8 switching channels designed for DIN-rail mounting. It communicates over an RS485 bus and provides independent channel control for switching loads in building automation, lighting circuits, or motor control. Suitable for integration into bus-based control systems requiring multiple relay outputs and centralized operation.

## Long description

The Eltako FSU14 RS485 bus switching actuator is an 8-channel DIN-rail device designed for centralized switching in bus-based building automation systems. It connects to an RS485 communication bus to receive control commands and drives eight independent switching outputs for loads such as lighting circuits, heaters, or motors. The compact DIN-rail form factor allows integration into distribution cabinets and electrical panels where multiple relay outputs are required and controlled remotely.
Advantages
The actuator provides eight independently addressable switching channels with reliable RS485 communication, enabling scalable installation and central control of multiple loads. Its DIN-rail housing facilitates installation in standard electrical enclosures and helps maintain a tidy wiring layout. Designed for use in professional automation environments, the unit supports integration into existing bus systems and allows for coordinated switching of lighting and other electrical circuits.
Suitable for
Centralized switching of lighting circuits in commercial and residential buildings
Control of resistive and inductive loads such as heaters, pumps, or small motors
Integration into RS485-based building automation or control systems
Distribution cabinet installations where multiple relay outputs are consolidated
Key specifications
Number of switching channels: 8 independent channels
Mounting type: DIN-rail compatible housing for electrical cabinets
Communication interface: RS485 bus connection for remote control and addressing
Output type: Relay switching outputs suitable for AC and DC loads within rated limits
Control mode: Individual channel control via bus commands
Installation environment: Indoor electrical distribution and automation panels
How to use
Mount the actuator on a standard DIN-rail inside the distribution cabinet and connect the RS485 bus wiring according to the system topology and polarity requirements. Wire the loads to the appropriate relay outputs following applicable electrical safety standards. Assign unique addresses or channel identifiers on the RS485 network so a central controller or bus devices can send switching commands. Verify wiring and perform functional tests to confirm each channel responds to control commands before final commissioning.
Usage recommendations
Use the device within specified load ratings and observe manufacturer guidance for wiring and surge protection. Place the unit in an environment protected from moisture and excessive dust, and ensure proper ventilation in densely populated cabinets. For reliable operation, integrate with compatible RS485 controllers and follow local electrical codes when installing and commissioning the actuator.

## FAQ

### 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 Eltako 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 Eltako 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

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