---
product_id: 313980884
title: "USB to RS485 Converter Industrial Adapter Original FT232RL and SP485EEN Fast Communication Embedded Protection Circuits Resettable Fuse ESD Protection"
brand: "waveshare"
price: "125 Lei"
currency: RON
in_stock: true
reviews_count: 5
category: "Waveshare"
url: https://www.desertcart.ro/products/313980884-usb-to-rs485-converter-industrial-adapter-original-ft232rl-and-sp485een
store_origin: RO
region: Romania
---

# 600W lightning & surge protection 1.2km RS485 transmission range 921600bps max baudrate USB to RS485 Converter Industrial Adapter Original FT232RL and SP485EEN Fast Communication Embedded Protection Circuits Resettable Fuse ESD Protection

**Brand:** waveshare
**Price:** 125 Lei
**Availability:** ✅ In Stock

## Summary

> ⚡ Power your industrial network with unstoppable speed and bulletproof protection!

## Quick Answers

- **What is this?** USB to RS485 Converter Industrial Adapter Original FT232RL and SP485EEN Fast Communication Embedded Protection Circuits Resettable Fuse ESD Protection by waveshare
- **How much does it cost?** 125 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/313980884-usb-to-rs485-converter-industrial-adapter-original-ft232rl-and-sp485een)

## Best For

- waveshare enthusiasts

## Why This Product

- Trusted waveshare brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Plug & Play Versatility:** Seamlessly compatible with Linux, Android, Windows (XP to 11), and Mac—future-proof your multi-OS workflows.
- • **Unmatched Surge Defense:** Built-in TVS, resettable fuse & ESD protection shield your devices from voltage spikes and electrostatic shocks.
- • **Industrial-Grade Stability:** Original FT232RL & SP485EEN chips ensure rock-solid, high-speed communication for mission-critical setups.
- • **Extended Reach Connectivity:** Supports RS485 transmission up to 1.2km—perfect for sprawling industrial networks without signal loss.
- • **Real-Time Status Indicators:** Triple LED indicators keep you instantly informed on power, data send, and receive status for hassle-free monitoring.

## Overview

The Waveshare USB to RS485 Industrial Converter leverages original FT232RL and SP485EEN chips to deliver ultra-stable, bidirectional communication at speeds up to 921600bps. Engineered for harsh environments, it features onboard 600W lightning-proof surge suppression, resettable fuses, and 15KV ESD protection, ensuring reliable operation over distances up to 1.2km. Compatible across major OS platforms, this compact adapter is the go-to solution for professionals demanding robust, long-range serial connectivity with real-time status feedback.

## Description

Features Support USB to RS485 bidirectional conversion Onboard Original FT232RL and SP485EEN chip. Fast communication, stable and reliable, better compatibility Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightningproof & anti-electrostatic Onboard resettable fuse and protection diodes, ensures the current/voltage stable outputs, provides over-current/over-voltage proof, improves shock resistance 3 LEDs for indicating the power and transceiver status Specifications Product type: industrial converter Baudrate: 300-921600bps Host port: USB Device port: RS485 USB Operating voltage: 5V Connector: USB-A Protection: 200mA self-recovery fuse, ESD protection Transmission distance: about 5m RS485 Connector: screw terminal Pins: A+, B-, GND Direction control: hardware automatic control Protection: 600W lightning-proof and surge-suppress, 15KV ESD protection (onboard 120R balancing resistor) Transmission distance: about 1200m (low rate) Transmission mode: point-to-multipoints (up to 32 nodes, it is recommended to use repeaters for 16 nodes or more) LED indicators PWR: red power indicator, light up when there is USB connection and voltage is detected TXD: red TX indicator, light up when the USB port sends data RXD: red RX indicator, light up when the device ports send data back Operating environment Temperature: -15℃ ~ 70℃ Humidity: 5%RH ~ 95%RH Operating system: Mac, Linux, Android, WinCE, Windows 10 / 8.1 / 8 / 7 / XP PACKAGE CONTENT 1.USB TO RS485 x1 2.USB-A male to female cable x1 3.Screwdriver x1

Review: I bought this to connect my PowMr all in one solar inverter to Solar Assistant on an Orange Pi. I was using the USB port on my inverter but it suddenly stopped working one day. At first I thought maybe my USB cable was bad so I tried a couple others but no luck. The price is very reasonable and not much more than a USB cable. Very easy to hook up. My inverter uses an Ethernet port for RS485 - I just cut the end off of an old Ethernet cable and hooked up 2 wires to the Waveshare and plugged everything in. Build quality appears to be good. It's been working fine for about a month now.
Review: I use it to connect on BACnet MS/TP devices and networks to change settings on job sites and it's very easy to use. Just make sure of your polarity! If reversed, nothing shows up. I use it with YABE, a free software and it's just perfect, I can see all the BACnet points and change everything I need without issues.

## Features

- Industrial USB to RS485 bidirectional converter with original FT232RL and SP485EEN chip. Due to its stable communication, it is an ideal choice for industrial control equipments and/or applications with high communication requirement.
- Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightningproof & anti-electrostatic.
- Onboard resettable fuse and protection diodes, ensures the current/voltage stable outputs, provides over-current/over-voltage proof, improves shock resistance.
- Transmission distance up to 1.2km--- The USB signal can be converted into a balanced differential RS485 signal and the transmission rate is stable. The reliable speed is 300-921600bps, the transmission distance is about 1.2km for RS485, and about 5 meters for USB.
- Multi system Support: Supports Linux, Android, WinCE, Win11/10/8.1/8/7/XP, etc.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B081MB6PN2 |
| Best Sellers Rank | #18,393 in Computers ( See Top 100 in Computers ) #34 in Serial Adapters |
| Item model number | Industrial USB to RS485 Converter |
| Manufacturer | Waveshare |
| Product Dimensions | 3.05 x 1.78 x 0.28 cm; 80 g |

## Product Details

- **Colour:** FT232RL Version
- **Compatible devices:** PC
- **Connector type:** USB Type A
- **Item dimensions L x W x H:** 30 x 18 x 3 millimeters
- **Specific uses for product:** PC

## Images

![USB to RS485 Converter Industrial Adapter Original FT232RL and SP485EEN Fast Communication Embedded Protection Circuits Resettable Fuse ESD Protection - Image 1](https://m.media-amazon.com/images/I/71yNeQMaSIL.jpg)

## Questions & Answers

**Q: Do you need a driver for this?**
A: Hi,Yes, you can get the Driver installation  from our wiki link:
https://www.waveshare.com/wiki/USB_TO_RS485

**Q: Connecting to a conductivity system (analog eval-cn0359-eb1z) power led comes on, yet neither transceiver led. are drivers needed? can i test system?**
A: Hi,please check this way:
1) Disconnect the connection with analog eval-cn0359-eb1z first, send data to the host computer, and check whether TXD is on.
2) Try to test another USB port .
3) Change to another host computer and check whether the TX or RX lights are normal.

**Q: I need this to control the “iot relay”, but since the usb ports are always powered, how can i control the on/off effect with this usb adapter?**
A: This is a RS485 serial port adapter, the serial port is always on.  If you have a RS485 relay module, the module will alway be on to, that module will control a relay, that it turns on and off by command over the RS485 serial connection.

**Q: Will this work with the usb 2.0 on an rpi 3b? currently, when i hook plug it in, the os finds the adapter but then crashes the rs485 bus.**
A: Hi,it can work with the usb 2.0 on an rpi 3b.
If it is crushed ,it can be caused by low electricity

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by K***I on 17 April 2025*

I bought this to connect my PowMr all in one solar inverter to Solar Assistant on an Orange Pi. I was using the USB port on my inverter but it suddenly stopped working one day. At first I thought maybe my USB cable was bad so I tried a couple others but no luck. The price is very reasonable and not much more than a USB cable. Very easy to hook up. My inverter uses an Ethernet port for RS485 - I just cut the end off of an old Ethernet cable and hooked up 2 wires to the Waveshare and plugged everything in. Build quality appears to be good. It's been working fine for about a month now.

### ⭐⭐⭐⭐⭐ Review
*by M***R on 11 May 2022*

I use it to connect on BACnet MS/TP devices and networks to change settings on job sites and it's very easy to use. Just make sure of your polarity! If reversed, nothing shows up. I use it with YABE, a free software and it's just perfect, I can see all the BACnet points and change everything I need without issues.

### ⭐⭐⭐⭐⭐ Review
*by と***ん on 11 January 2026*

問題なく動作しています。リピート予定です。

## Frequently Bought Together

- USB to RS485 Converter Industrial Adapter Original FT232RL and SP485EEN Fast Communication Embedded Protection Circuits Resettable Fuse ESD Protection
- DTECH USB to RS422 RS485 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 11 10 8 7 XP Mac -1.5 Feet
- DSD TECH SH-U10 USB to RS485 Converter for Modbus

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.ro/products/313980884-usb-to-rs485-converter-industrial-adapter-original-ft232rl-and-sp485een](https://www.desertcart.ro/products/313980884-usb-to-rs485-converter-industrial-adapter-original-ft232rl-and-sp485een)

---

*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-02-13*