# Surge Protector No name SUG-RS485/DIN for RS-485 Differential Line, DIN-rail mount

**URL:** https://aio.lv/en/product--no-name-sug-rs485din--12071716
**Data updated:** 2026-03-12 21:50 (EET)
**Category:** Power Extension Cords & Surge Protectors
**Manufacturer:** No name
**Manufacturer code:** SUG-RS485/DIN
**EAN:** 5904041751752
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

Surge protector SUG-RS485/DIN (No name) for differential RS-485 communication lines. DIN-rail mount device provides transient overvoltage protection for balanced two-wire serial buses used in industrial automation and building networks. Protects data lines from surges and lightning-induced transients, helping preserve RS-485 transceivers and maintain reliable serial communication in installations.

## Long description

The surge protector SUG-RS485/DIN is designed for differential RS-485 communication lines and fits on standard DIN rails. It provides transient overvoltage protection for balanced two-wire serial buses commonly used in industrial automation and building networks. The device helps protect RS-485 transceivers and connected equipment from surges and lightning-induced transients, reducing the risk of communication failures and hardware damage while preserving signal integrity on the bus.
Advantages
The DIN-rail mount design allows easy installation in control cabinets and distribution panels without additional mounting hardware. The protector targets differential disturbances on balanced RS-485 lines, offering fast response to transient events while keeping the common-mode behavior compatible with serial data transmission. Its compact footprint conserves space in electrical enclosures and supports continued reliable serial communication in mixed industrial environments.
Suitable for
 Protection of RS-485 two-wire differential communication buses in industrial control systems
 Data line surge protection in building automation and access control networks
 Use in electrical distribution cabinets, PLC racks and DIN-rail mounted equipment enclosures
 Installations exposed to lightning-induced transients or switching surges
Key specifications
 Designed for differential two-wire RS-485 serial lines
 DIN-rail mount form factor suitable for standard EN rail profiles
 Transient overvoltage protection for balanced communication buses
 Compact housing to fit within control cabinets and enclosures
 Maintains signal integrity for high-speed serial communication
How to use
Mount the protector on a standard DIN rail inside the control cabinet or enclosure near the RS-485 termination point or distribution interface. Connect the two RS-485 signal conductors to the corresponding input and output terminals of the device following the line direction, and ensure a reliable earth/ground reference where required by the installation practice. Observe proper wiring polarity and maintain recommended cable routing and separation from high-voltage conductors to minimize induced interference.
Usage recommendations
Place surge protection devices close to the equipment they protect, use correct grounding practices, and combine with line terminations and shields where applicable to achieve optimal protection and communication reliability.

## FAQ

### What payment options are available?

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### 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 No name 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 No name 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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