🌍 Worldwide shipping · 30-day returns · Rated Excellent on Trustpilot ★★★★½
Price
$10.02
4-Channel Relay Module, High & Low Trigger Optocoupler Relay Module Board, Multiple Voltage Support 5V 12V 24V, Compatible, Smart Home Automat — image 1
Electromechanical RelaysKeenso✓ In stock

4-Channel Relay Module, High & Low Trigger Optocoupler Relay Module Board, Multiple Voltage Support 5V 12V 24V, Compatible, Smart Home Automat

$10.02
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About this item
  • ▶【Double Edition Design】: It adopts PCB double board design, 4 channels of independent design, and does not interfere with each other. Adopt single-chip design, stable and performance, strong anti-interference, no false triggering, superior performance.
  • ▶【Isolation work】: Trigger optocoupler isolation, the trigger power supply can be an independent external power supply, truly completely isolated. (If you need external contact power supply: DC12V version of the trigger, a 5.1-6.8K resistor in series; DC24V version of the trigger, a 15-22K resistor in series; otherwise it will damage the chip)
  • ▶【Four tactile switches】: Use 4 tactile switches as product test to directly verify product stability (low level trigger is effective); with power indicator (green LED) and 4 switch indicators (red LED);
  • ▶【User-friendly interface design】: The 4-channel relay module adopts a user-friendly interface design, all interfaces can be directly connected through terminal leads, and four fixing bolt holes are provided.
  • ▶【Suitable for】: This module is widely used in the design and development of home and industrial electronics for most electronic enthusiasts. Suitable for electronic circuit design, automation equipment transformation, PLC industrial control, robot, intelligent products for college students.
Product details
Brand
Keenso
Manufacturer
Keenso
Colour
Shown as Picture
Size
5V

Customer reviews

What customers say about Bigamart

10 Trustpilot reviews total, with 2 shown at a time.

Trustpilot
Excellent
4.5 average rating
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S
Sigalit
🇮🇱 · January 2026

I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.

V
Verified buyer
🇦🇺 · November 2025

The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.

Showing 12 of 10 reviews

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