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relay module with optocoupler isolation trigger: enhanced performance and safety logo

Relay Module with Optocoupler Isolation Trigger: Enhanced Performance and Safety Review

3

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Poor

Revainrating 2 out of 5  
Rating 
2.0
🔌 Electrical Controls & Indicators, 💡 Industrial Electrical

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Description of Relay Module with Optocoupler Isolation Trigger: Enhanced Performance and Safety

◇ ANTI-INTERFERENCE---Made of the high quality miniature optocoupler, the relay module is of anti-interference ability, stable performance. ◇ STABLE AND RELIABLE---Adopting 9.5mm black barrier terminal and standard 30A terminal, the relay module is stable and reliable. ◇ HIGH/LOW LEVEL TRIGGER---The high/low level trigger of the relay module can be switched. ◇ DC5V/DC12V/DC24V---There are 3 styles for you: DC5V, DC12V, DC24V, you can choose one according to your preference. ◇ MAIN FEATURE---Product Name: Optocoupler Isolation Relay Module; Output Capability: AC 250V/30A, less than DC 30V/30A; Optional Style: DC5V, DC12V, DC24V.

Reviews

Global ratings 3
  • 5
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  • 4
    0
  • 3
    1
  • 2
    0
  • 1
    2

Type of review

Revainrating 3 out of 5

Defective and Unsafe Optocoupler Module

This optocoupler module is extremely defective and unsafe to use for any industrial and scientific purposes. My analysis of this product showed that it doesn't function as advertised, and it's poorly designed with dangerous hardware that could cause fatal accidents or electrical fires.

Pros
  • None, it's a complete waste of time and money.
Cons
  • The hardware is cheaply made, the instructions are confusing, and the product is potentially deadly. Stay away from this product at all costs.

Revainrating 1 out of 5

Not working as expected

Failed to load media. When applying a 5V signal, the relay module will switch the relay, then the LEDs and relays will go out, after a few seconds they will come on again and start over.

Pros
  • Industrial Electrical
Cons
  • Requires outlet

Revainrating 1 out of 5

This is not what I ordered

Not what was sent in the photo. First, with dimensions of 52mm x 77mm, it is too large. The photos show 40mm x 67mm. This alone means that it is not suitable for the required application. Second, without instructions or the ability to read Chinese characters, I have no idea what a switch, potentiometer, or "set" knob is for. It might be a decent component but I have no idea and can't use it.

Pros
  • Industrial & Scientific
Cons
  • Some small things