SKU: TH0962
This is a 4 channel relay module with load capacity of 250V/10A for AC and 30V/10A for DC, making it suitable for handling a wide range of power inputs on its load terminal. It has an optocoupler isolation to ensure that there is no electrical connection between the input terminal and the load control ciruits, thus protecting the relay module and the connected devices from damage.
This is a 4 channel relay module with load capacity of 250V/10A for AC and 30V/10A for DC, making it suitable for handling a wide range of power inputs on its load terminal. It has an optocoupler isolation to ensure that there is no electrical connection between the input terminal and the load control ciruits, thus protecting the relay module and the connected devices from damage.
The relay module has a working voltage of 5V or 12V or 24V depending on the model, offering compatibilty with wide range of input control devices. Also, each channel of the module can be set to either high-level or low-level trigger mode using a jumper. This allows you to customize the module's working to suit your specific application.
It includes a fault-tolerant design, meaning that it will not activate the relay if the control line is broken. This prevents accidental acctivation of relay. The module is equipped with indicator lights: a green light shows power status, while four red lights display the status of each relay.
The relay module has a user-friendly interface that allows you to connect all input and load terminal directly through a terminal blocks.
Technical specification for relay module
| Rated Voltage | 5V | 12V | 24V |
|---|---|---|---|
| Quiescent Current | 5 mA | ||
| Current | 190 mA | 80 mA | 50 mA |
| Trigger Voltage (HIGH) | 4 - 5V | 4.5 - 12V | 8.5 - 24V |
| Trigger Voltage (LOW) | 0 - 1.5V | 0 - 4V | 0 - 8V |
| Trigger Current | 3 - 5 mA | ||
| AC Load | AC 250V / 10A | ||
| DC Load | DC 30V / 10A | ||
Pinout for 4 channel relay module.
| Input Terminal | |
|---|---|
| D+ | Connect to the positive terminal of the power supply w.r.t to rated relay voltage: 5V PSU for 5V rated relay module 12V PSU for 12V rated relay module. 24V PSU for 24V rated relay module. *PSU = Power Supply |
| D- | Connect to the negative terminal of the power supply. |
| IN1 | Control signal input terminal (LOW or HIGH) w.r.t to the set position of the trigger jumper. |
| Load Terminal | |
| NO | Normally Open |
| NC | Normally Closed |
| COM | Common Terminal |
Setting the jumper position sets the trigger to HIGH or LOW
| Jumper Position | Trigger |
|---|---|
| HIGH + COM |
HIGH Trigger jumper set to high. |
| COM + LOW |
LOW Trigger jumper set to low. |
| The relay's trigger level is determined by the position of the jumper. A low-level trigger occurs when COM is shorted to LOW, while a high-level trigger results from a short circuit to HIGH. | |
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