LCUS-8 USB Relay Module 8 Channel with Overcurrent Protection for Home Automation, Serial Control, Intelligent USB Switch

Price: $13.97 - $12.57
(as of Oct 07, 2026 15:36:03 UTC – Details)

Product description

FEATURES1.Onboard 8-bit high-performance microcontroller chip;2.Onboard CH340 USB to serial control chip;3.Onboard power LED indicator and relay status LED indicator K light;4.Support relay switch status query,query command:OXFF;5.Onboard 85V,10A/250VAC,10A/30VDC relays,The electrical appliance has a long service life and can be connected continuously for 100,000 times;6.Power supply voltage:5V,support USB power supply/external power supply switch;7.Output type:relay switch signal;8.The module has overcurrent protection and relay diode freewheelingprotection functions.9.Board size:76.9*80.6MM

Onboard 8-bit microcontroller chip CH340 USB to serial control chip included

Power LED indicator and relay status LED indicator

Compatible with serial port debugging software at 9600 baud rate Onboard 85V, 250VAC, 30VDC

Supports relay switch status query with command: OXFFIncludes relay and power indicators 5V power supply

Long relay lifespan, connect continuously for 100,000 timesRecommended external power for multiple relays due to USB current limits Relay switch signal

USB/external power supply switch supportedExternal power supply port for DC5V connection Board size: 76.9*80.6MM

Overcurrent protection and relay diode freewheeling protectionUSB HOLDER for communication/power supply

1 USB HOLDER:USB COMMUNICATION/POWER SUPPLY; 2 EXTERNAL POWER SUPPLY PORT:CONNECT TO DC5V POWER SUPPLY.DUE TO THE LIMITED OUTPUT CURRENT OF USB,IT IS RECOMMENDEDTO USE EXTERNAL POWER SUPPLY WHEN USING MULTIPLE RELAYS; 3 RELAY INDICATOR; 4 POWER INDICATOR. 5 installation of serial port driver:the driver of ch340 USB to serial port chip shall beinstalled for the first time. 6 open the serial port debugging software such as stc-isp and ssc0m32,select thebaud rate of 9600, and send the relay switching command in hexadecimal(HEX)formto open or close the corresponding relay. You can choose to send manually orautomatically.

Electronic OK Wire & Solder Wire

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Customer Reviews

4.6 out of 5 stars 342

4.7 out of 5 stars 108

4.9 out of 5 stars 22

4.7 out of 5 stars 108

4.9 out of 5 stars 9

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4.8 out of 5 stars 15

Model

P/N B-30-1000

P/N B-30-1000

XH-100

P/N B-30-1000

XH-100

P/N B-30-1000

XH-100

External Wire Diameter

0.56mm

0.56mm

0.5mm

0.56mm

0.8mm

0.56mm

0.3mm

Core Sectional Area

0.2mm²

0.2mm²

none

0.2mm²

none

0.2mm²

none

Material

PVC

PVC

solder

PVC

solder

PVC

solder

Wire Gauge

30AWG

30AWG

none

30AWG

none

30AWG

none

Temperature

105℃

113℃

183 ℃

107℃

183 ℃

112℃

183 ℃

**High-Performance Microcontroller:** Equipped with an 8-bit microcontroller chip for efficient and reliable operation, perfect for home automation and intelligent USB switching needs.
**USB & External Power Supply:** Flexible power options with USB and external DC5V support, ideal for multi-relay use to ensure stable performance without overload.
**Durable Relays Built to Last:** Features 10A/250VAC or 10A/30VDC relays with an impressive lifespan of up to 100,000 cycles, ensuring long-term reliability and peace of mind.
**User-Friendly Operation:** Simple installation with the included CH340 USB to serial control chip, complete with power and relay status indicators for easy monitoring.
**Enhanced Safety Features:** Designed with overcurrent and diode freewheeling protection, safeguarding your devices and ensuring safe, continuous operation.