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$40.99
Home/Business, Industry & Science/Industrial Electrical/Controls & Indicators/Relays/Electromechanical Relays
16-Channel 5V Relay Module Board with Isolated Optocoupler Strong Anti-Interference for Microcontroller Projects
★★★★★
$40.99
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1
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About this item
- Control voltage range: The trigger is low level 0-2V; the high level voltage cannot exceed 5V. Adopting the industry's top quality isolated optocoupler, it has strong anti-interference ability and stable performance; the trigger current only needs 3mA.
- 1-16 channels can be turned on/off at will, or any way. Output form: Directly connected to AC 220V 10A or DC30V 10A load. Each relay common terminal COM is independent, which is convenient for users to access different Each relay has a normally closed and normally open port. Each relay has an action indicator, which is illuminated and turned off.
- 5V relay contact capacity 10A 250V with optocoupler protection. The onboard power supply module does not require an external power supply. The I/O port drive is active low.
- The interface design is user-friendly, and all interfaces can be directly connected through the terminal block, which is very convenient. There are 4 fixing bolt holes for easy installation. PCB board size: 180MM (L) * 90MM (W) * 20MM (H)
- Can be used as a microcontroller development board module, can be used as home appliance control, can also be used as PLC expansion output.
Product details
Customer reviews
What customers say about Bigamart
10 Trustpilot reviews total, with 2 shown at a time.
Trustpilot
★★★★★
Excellent
4.5 average rating
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 1–2 of 10 reviews
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