# Digital/analogue I/O module Hager TXA304 — Digital input, 4 channels, 21–32 V DC, up to 230 V, 50–60 Hz

**URL:** https://aio.lv/en/product--hager-txa304--3437389
**Data updated:** 2026-04-02 14:24 (EEST)
**Category:** Control Systems
**Manufacturer:** Hager
**Manufacturer code:** TXA304
**EAN:** 3250616049277
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 149.99 €
**Prices and availability valid until:** 2026-07-11 23:59
**Price without VAT (21%):** 123.96 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--hager-txa304--3437389

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 13.07.2026 | free |
| Pickup points | 16.07.2026 | 1.99 EUR |
| Courier delivery to door | 16.07.2026 | 4.99 EUR |

## Summary description

Hager TXA304 is a digital/analogue I/O module providing four digital input channels. It accepts DC input voltages from 21 to 32 V and withstands maximum input voltages up to 230 V with a frequency range of 50–60 Hz. Compactly sized (71 × 69 × 90 mm), the module is suitable for building automation, signal acquisition, and integration with control systems.

## Long description

Hager TXA304 is a compact digital/analogue I/O module that provides four independent digital input channels for building automation and control systems. Designed for integration into KNX and modular installations, the unit accepts DC input voltages in the range 21–32 V and is rated to tolerate higher input conditions up to 230 V with a mains frequency of 50–60 Hz. The housing dimensions (71 × 69 × 90 mm) and modular form factor allow straightforward mounting within distribution boards or control cabinets where reliable signal acquisition and interface functionality are required.
Advantages
The module combines four binary input channels in a single compact device, which reduces wiring complexity and saves DIN-rail space. It supports both low-voltage DC signalling and higher-voltage tolerance for compatibility with a range of sensors and switch contacts. Robust electrical characteristics and a modular design facilitate stable operation in KNX-based automation systems and other control environments.
Suitable for
Integration into KNX home and building automation systems
Signal acquisition from switches, contacts and dry-coupled sensors
Distributed installations in distribution boards and control cabinets
Retrofitting existing control systems requiring additional digital inputs
Key specifications
Function: Digital (binary) input, 4 channels
Rated DC input voltage range: 21–32 V
Maximum withstand input: up to 230 V (AC) at 50–60 Hz
Form factor: Modular, DIN-rail compatible
Dimensions: 71 × 69 × 90 mm
How to use
Mount the TXA304 on a DIN rail inside a distribution board or control cabinet and connect each input channel to the corresponding switch, contact or sensor according to the installation diagram supplied by the system integrator. Ensure the DC supply voltage for the inputs is within the 21–32 V range when using low-voltage devices. When interfacing with higher-voltage AC signals, verify wiring and protective measures are in place and that the installation complies with local electrical regulations. After wiring, integrate the module into the KNX or control system configuration and test each channel for correct signal detection.
Usage recommendations
Use appropriately rated wiring and overcurrent protection. Verify polarity and supply voltage before powering the module. For installations involving mains voltages up to 230 V, follow safety standards and employ a qualified electrician for wiring and commissioning.

## Specifications

| Feature | Value |
|---|---|
| Storage temperature (T-T) | -20 - 70 |
| Operating temperature (T-T) | 0 - 45 |
| Height | 90 mm |
| Width | 71 mm |
| Depth | 69 mm |
| Product colour | Grey |
| Channels quantity | 4 channels |
| Frequency range | 50 - 60 |
| Signal direction | Input |
| Module type | Digital |
| DC input voltage | 21 - 32 |
| Maximum input voltage | 230 V |
| Digital input channels quantity | 4 channels |

## FAQ

### How much does the Hager TXA304 digital/analogue I/O module cost, and is it available for purchase?

The price is 149.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 9 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 13.07.2026 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 Hager 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 Hager 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

### Where can I download the instructions for Hager TXA304 digital/analogue I/O module?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/3437389/58387491_large.webp