# Surge Protector Delta OPRS-1 for Symmetrical RS-485 Line — OPRS-1

**URL:** https://aio.lv/en/product--delta-oprs-1--12043735
**Data updated:** 2026-03-12 19:26 (EET)
**Category:** Network Equipment Accessories
**Manufacturer:** Delta
**Manufacturer code:** OPRS-1
**EAN:** 5902887016349
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 12.99 €
**Prices and availability valid until:** 2026-07-16 23:59
**Price without VAT (21%):** 10.74 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--delta-oprs-1--12043735

## 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

Delta OPRS-1 is a surge protector designed for symmetrical RS-485 communication lines. It provides transient overvoltage protection for data interfaces in industrial and building automation systems, preventing damage from voltage spikes on the RS-485 pair. Suitable for installation in control panels or near field devices to protect modems, converters and other RS-485 equipment.

## Long description

Delta OPRS-1 is a surge protector designed specifically for symmetrical RS-485 communication lines. It protects data interfaces against transient overvoltages and voltage spikes that can occur in industrial and building automation environments. The device is compact and intended for installation in control panels or close to field devices to protect modems, converters and other RS-485 equipment without affecting normal signal transmission.
Advantages
The surge protector provides fast response to transient events and clamps harmful voltages to safe levels to reduce the risk of equipment failure. Its design preserves differential signal integrity on RS-485 pairs while offering reliable protection in electrically noisy environments. The unit is suitable for mounting in electrical enclosures or near terminal connections, simplifying integration into existing installations.
Suitable for
Protection of RS-485 modems, converters and transceivers
Use in industrial automation and process control systems
Installation in building automation networks and access control systems
Mounting in control cabinets or next to field devices on-site
Key specifications
Type of protection: surge and transient overvoltage protection for differential RS-485 line
Line configuration: symmetrical (differential) two-wire RS-485 pair
Signal compatibility: supports standard RS-485 differential signaling without impedance alteration
Response behavior: rapid clamping of transient overvoltages to protect connected equipment
Installation: suitable for panel or near-device mounting within communication lines
Operating environment: designed for industrial and building automation electrical conditions
How to use
Install the surge protector in series with the RS-485 pair at the point of entry to the protected equipment or inside the control panel. Connect the differential A and B conductors to the corresponding input and output terminals of the device, ensuring secure termination. If applicable, connect the protector’s reference/ground terminal according to the system grounding practice to ensure proper diversion of surge currents. Verify that normal communication is maintained after installation and that wiring follows manufacturer and system grounding recommendations.
Usage recommendations
Place surge protection devices at both ends of long RS-485 runs or at locations where external cables enter an installation. Periodically inspect the protector and associated wiring after major electrical events. Ensure grounding and bonding practices are correct to maximize protection effectiveness while maintaining reliable RS-485 communication.

## FAQ

### How much does the Surge Protector Delta OPRS-1 RS-485 cost, and is it available for purchase?

The price is 12.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 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. 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 Delta 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 Delta 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/12043735/67530569_large.webp