# Finder OPTA PLUS Programmable Logic Relay 12-24V DC with RJ45 Ethernet and MODBUS TCP/IP

**URL:** https://aio.lv/en/product--finder-8a0490248310--12458989
**Data updated:** 2026-05-18 09:30 (EEST)
**Category:** Control Systems
**Manufacturer:** Finder
**Manufacturer code:** 8A.04.9.024.8310
**EAN:** 8012823445403
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 220.99 €
**Prices and availability valid until:** 2026-07-15 23:59
**Price without VAT (21%):** 182.64 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--finder-8a0490248310--12458989

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.99 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

The Finder OPTA PLUS 8A.04.9.024.8310 is a high-performance programmable logic relay designed for industrial automation. It operates on 12-24V DC and features an integrated RJ45 port for seamless Ethernet connectivity and MODBUS TCP/IP communication. This versatile controller is ideal for managing complex logic tasks, monitoring systems, and integrating into networked industrial environments requiring reliable data exchange and precise control.

## Long description

The Finder OPTA PLUS is a high-performance programmable logic relay engineered for advanced industrial automation and control tasks. Operating on a 12-24V DC power supply, this compact controller integrates seamlessly into modern industrial networks through its dedicated RJ45 Ethernet port, supporting MODBUS TCP/IP communication protocols for reliable data exchange and system monitoring.
Advantages
This programmable logic relay offers exceptional flexibility for automation engineers by combining traditional relay reliability with modern networking capabilities. Its robust design ensures stable operation in demanding environments, while the integrated Ethernet connectivity allows for remote management and integration into larger industrial control systems. The device simplifies complex logic implementation, reducing the need for extensive external wiring and improving overall system efficiency.
Suitable for
Industrial automation and machine control systems
Building management and smart facility monitoring
Data acquisition and remote system diagnostics
Integration into MODBUS TCP/IP network architectures
Complex logic control tasks requiring reliable relay switching
When it may not be suitable
This device is not intended for high-voltage power distribution or applications requiring safety-rated PLC functions. It may also be unsuitable for environments exceeding the specified operating temperature or humidity ranges defined in the technical documentation.
Key specifications
Supply voltage: 12-24V DC
Communication interface: RJ45 Ethernet port
Supported protocols: MODBUS TCP/IP
Mounting type: DIN rail mountable
Application: Industrial logic control
How to use
The Finder OPTA PLUS is designed for installation on standard DIN rails within an electrical cabinet. Connect the 12-24V DC power supply to the designated terminals, ensuring correct polarity. Use a standard Ethernet cable to connect the RJ45 port to your network switch or controller. Programming and configuration are performed via the compatible software environment, allowing you to define logic sequences and communication parameters according to your specific application requirements.
What to consider before purchase
Verify that your existing control network supports MODBUS TCP/IP communication.
Ensure the 12-24V DC power supply meets the current requirements of your installation.
Check that the physical dimensions and DIN rail mounting space are available in your control panel.
Confirm that your programming environment is compatible with the device's configuration software.
Usage recommendations
Always ensure that the device is installed by qualified personnel in accordance with local electrical regulations. Regularly inspect network connections and power terminals to maintain optimal performance and prevent communication interruptions.

## FAQ

### How much does the Finder OPTA PLUS Programmable Logic Relay 8A.04.9.024.8310 cost, and is it available for purchase?

The price is 220.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 06.07.2026 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, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Finder OPTA PLUS Programmable Logic Relay 8A.04.9.024.8310 be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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 Finder 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 Finder 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/12458989/68761092_large.webp