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Price
$8.54
4 Channel Relay Module, Optocoupler Relay Module Board High & Low Trigger 5V/12V/24V for Automatic Control Switch(24V) โ€” image 1
RelaysBTIHCEUOTโœ“ In stock

4 Channel Relay Module, Optocoupler Relay Module Board High & Low Trigger 5V/12V/24V for Automatic Control Switch(24V)

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$8.54
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About this item
  • Adopt patch photocoupler isolation, strong driving ability, stable performance. Trigger current is 5mA.
  • Each path of the module can be triggered by the high level or low level through a jumper setting.
  • Module operating voltage is 5V,12V,24V for choice.
  • Fault-tolerant design,even if the control line breaks,the relay will not move.
  • Power indicator light (green), 4-way relay state indicator light (red).
Product description

Specification: Weight: 60g/2.1oz Common interface load: AC 250V/10A, DC 30V/10A Module Size (L*W*H): 73*50*18.5mm/2.9*2*0.7inch Bolt Hole: 3.1 mm; 67*44.5mm (spacing) Voltage: 5V, 12V, 24V (Optional) Module interface: 1. DC + : connected to the positive pole of power supply (voltage is required for relay, 5V, 12V and 24V for choice) 2. DC- : connect to the power negative pole. 3. IN1-IN4: according to the setting of each circuit, the corresponding relay can be controlled with high or low level to suck in. Relay output terminal: with 12 lines of interfaces, all interfaces can be directly connected to lead, convenient for users to use 1. NO1--NO4: the relay normally opens the interface, and the relay is suspended before it is sucked in, and is connected with COM after it is sucked in. 2. Common interface of relay COM1--COM4. 3. NC1--NC4: relay normally closed interface. The relay is short connected with COM before it is sucked in and suspended after it is sucked in. High and low level trigger selection terminal: 1. S1-S4 is the high-low level trigger selection of relay 1-4 channels successively; 2. Com and low short connection, the corresponding relay for low level trigger, com and high short connection for high level trigger. Package List: 1 x Relay Module

Product details
Brand
BTIHCEUOT
Manufacturer
BTIHCEUOT

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

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Excellent
4.5 average rating
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Sigalit
๐Ÿ‡ฎ๐Ÿ‡ฑ ยท January 2026
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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
๐Ÿ‡ฆ๐Ÿ‡บ ยท November 2025
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The package was here in Australia from England in a few days โ€” so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.

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