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Description: 1. Four-Channel Design: This 12V 4CH Relay Board comes with four independently controlled relays, enabling users to switch on or off separate devices or circuits using a single board. 2. Compatibility: Suitable for 12V DC power sources and compatible with various microcontrollers, single-board computers, and automation systems, such as Arduino, Raspberry Pi, and PLCs. 3. Versatile Applications: Ideal for various IoT projects, including home automation, security systems, HVAC control, industrial process control, and remote monitoring applications. 4. Normally Open (NO) or Normally Closed (NC): Users can configure each relay as either NO or NC depending on the intended use case and application requirements. 5. LED Indicators: Each channel comes with an LED indicator that shows the status of the corresponding relay, allowing for visual confirmation of device control and quick troubleshooting. 6. Low Power Consumption: The board consumes minimal power when not in use, making it energ
| Specification | Details |
|---|---|
| Voltage Input | 12V DC (compatible with 10-14V DC) |
| Relay Type | SPDT (Single Pole Double Throw) |
| Number of Relays | 4 Relay Channels |
| Switching Capacity | 16A at 250VAC or 30A at 28VDC |
| Load Control | Can be controlled by digital signal |
| Operating Temp | -20°C to +60°C (operation) |
| Storage Temp | -40°C to +90°C (storage) |
| Relay Life Expectancy | >1 million switching cycles |
| Dimensions | approximately 7.5 x 6.2 x 1.8 cm |
| Weight | around 50g |
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