---
product_id: 265639476
title: "sainsmartUSB Eight Channel Relay Board for Automation - 12 V"
brand: "sainsmart"
price: "€ 50.20"
currency: EUR
in_stock: true
url: https://www.desertcart.ie/products/265639476-sainsmartusb-eight-channel-relay-board-for-automation-12-v
store_origin: IE
region: Ireland
---

# Supports up to 120W high current loads 8 SPDT relays for versatile control Extra PCB openings for superior voltage isolation sainsmartUSB Eight Channel Relay Board for Automation - 12 V

**Brand:** sainsmart
**Price:** € 50.20
**Availability:** ✅ In Stock

## Summary

> 🤖 Elevate your smart home game with precision and power!

## Quick Answers

- **What is this?** sainsmartUSB Eight Channel Relay Board for Automation - 12 V by sainsmart
- **How much does it cost?** € 50.20 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/265639476-sainsmartusb-eight-channel-relay-board-for-automation-12-v)

## Best For

- sainsmart enthusiasts

## Why This Product

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

## Key Features

- • **Software-Ready:** Fully supported by SainSmart’s intuitive software for smooth automation control.
- • **Power Without Limits:** Handles high current loads up to 120 watts, perfect for demanding setups.
- • **Engineered for Safety:** Extra PCB openings ensure enhanced voltage isolation, protecting your devices.
- • **Master Your Automation:** Control 8 independent channels seamlessly with robust SPDT relays.
- • **Plug & Play Simplicity:** PCB mount design integrates effortlessly into your custom projects.

## Overview

The SainSmart USB Eight Channel Relay Board is a 12V automation powerhouse featuring 8 SPDT relays capable of handling up to 120 watts. Designed with extra PCB openings for improved voltage isolation and doubled high current tracks, it ensures reliable and safe operation. Lightweight and compact, it mounts easily on PCBs and is fully supported by dedicated software, making it ideal for personal home automation projects.

## Description

sainsmartUSB Eight Channel Relay Board for Automation - 12 V

## Features

- 8 SPDT relays SRD-12VDC-SL-C
- Supported by our software
- Extra PCB openings for better voltage isolation
- Doubled high current tracks

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | SainSmart |
| Part number | 11601 |
| Item Weight | 118 g |
| Product Dimensions | 12.19 x 9.4 x 3.2 cm; 118 g |
| Item model number | 8541582310 |
| Material | Copper |
| Wattage | 120 watts |
| Item Package Quantity | 1 |
| Measurement System | Metric |
| Plug Profile | PCB Mount |
| Specific uses | personal |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Connector type:** Solder
- **Contact material:** Copper
- **Contact type:** spdt
- **Current rating:** 10 Amps
- **Mounting type:** PCB Mount

## Images

![sainsmartUSB Eight Channel Relay Board for Automation - 12 V - Image 1](https://m.media-amazon.com/images/I/6162rh6ZAGL.jpg)
![sainsmartUSB Eight Channel Relay Board for Automation - 12 V - Image 2](https://m.media-amazon.com/images/I/51bTjbzGQBL.jpg)
![sainsmartUSB Eight Channel Relay Board for Automation - 12 V - Image 3](https://m.media-amazon.com/images/I/517IdSxrE0L.jpg)
![sainsmartUSB Eight Channel Relay Board for Automation - 12 V - Image 4](https://m.media-amazon.com/images/I/51kca8xlFbL.jpg)
![sainsmartUSB Eight Channel Relay Board for Automation - 12 V - Image 5](https://m.media-amazon.com/images/I/41zSHDCt-bL.jpg)

## Questions & Answers

**Q: The unit is functioning as expected. However, after it's use more, the unit cause computer to crash, when turning the on/Off a few time, the program hang up on the write command. The computer needed to reboot to recover. Any idea about this issue ? There are posts on the web that shows the similar issues. Do you have  …**
A: i know this question is old, but other people might be having the same problem. 
I had the same problem after so much iteration of write. what i did was clear the cache. the memory can only hold so much write before it hangs. I clear the cache before every write. it worked for me

**Q: Do they provide a tool to control the board through command line?**
A: You can download a sample tool from them which controls it via gui.  I never saw a command line tool.  It wasnt hard to integrate their commands into my own platform so a basic coder could probably make you a command line tool.

**Q: Can this be used to give nc / no contacts?**
A: I'm not sure of your question. This card has eight relays. Each relay has three screw clamp terminals where one is normally open, one is normally closed and the last is the common. So you can wire your device(s) to any or all relays in either normally open or closed position as you like. I hope this clarifies things.

**Q: I want use as programmable sequential controller for  my business led street sign, this unit need computer for program only or need computer to run.**
A: You would need it connected to a computer. This unit does not have any sort of programmable timers or states. It is more or less a light switch you control via a computer button.

## Frequently Bought Together

- SainSmart USB Eight Channel Relay Board for Automation - 12 V
- MILAPEAK 8pcs (4 Sets) 8 Positions Dual Row 600V 25A Screw Terminal Strip Blocks with Cover + 400V 25A 8 Positions Pre-Insulated Terminals Barrier Strip (Black & Red)

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**Shop now:** [https://www.desertcart.ie/products/265639476-sainsmartusb-eight-channel-relay-board-for-automation-12-v](https://www.desertcart.ie/products/265639476-sainsmartusb-eight-channel-relay-board-for-automation-12-v)

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-03-02*