DC 12V AC Current Detection Sensor Module – 5A Overcurrent Switch
DC 12V AC Current Detection Sensor Module – 5A Overcurrent Switch
DC 12V AC Current Detection Sensor Module with 5A Overcurrent Protection
Upgrade your electronics projects with this compact and reliable DC 12V AC Current Detection Sensor Module. Designed for makers, engineers, and hobbyists, this board monitors AC current in real time and automatically triggers a relay switch when current exceeds the 5A threshold — helping protect your circuits and connected devices from overcurrent conditions.
Whether you're building custom automation systems, integrating smart protection into DIY electronics, or developing Arduino-based projects, this sensor module delivers precise current switching performance in a small, easy-to-wire form factor.
Key Features
- Operating Voltage: DC 12V supply for stable, reliable operation
- Current Detection: Detects AC current with a 5A overcurrent threshold
- Built-in Relay Switch: Automatically switches output upon detecting overcurrent — ideal for automated circuit protection
- Switching Transducer Output: Clean digital output signal for straightforward integration
- Arduino Compatible: Plug-and-play compatibility with Arduino and other popular microcontroller platforms
- Compact Board Design: Space-saving PCB layout fits easily into enclosures and project boxes
- No High-Concern Chemicals: Built with safe mixed materials — no hazardous substances declared
- Customizable: Supports customized configurations to suit specific project requirements
Ideal Applications
- Arduino and microcontroller-based automation projects
- DIY home automation and smart switching systems
- Overcurrent monitoring and circuit protection boards
- Industrial and workshop electronics prototyping
- Educational electronics and STEM learning kits
Specifications
| Supply Voltage | DC 12V |
| Detected Current Type | AC |
| Overcurrent Threshold | 5A |
| Output Type | Switching Transducer (Relay) |
| Compatibility | Arduino, microcontrollers |
| Material | Mixed (PCB & components) |
| Country of Origin | Made in Mainland China |
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Frequently Asked Questions
Q: What supply voltage does this AC current detection sensor module require?
A: This sensor module operates on a DC 12V supply voltage. Ensure your power source provides a stable 12V DC output for reliable detection and relay switching performance.
Q: Is this current detection sensor module compatible with Arduino?
A: Yes, this module is fully compatible with Arduino and most popular microcontroller platforms. It provides a clean switching transducer output that can be read directly by digital input pins on your Arduino board, making it straightforward to integrate into your projects.
Q: What happens when the current exceeds 5A?
A: When the detected AC current reaches or exceeds the 5A threshold, the onboard relay automatically switches state, triggering your connected circuit or load. This makes it an effective automatic overcurrent protection switch for safeguarding electronics and appliances in your DIY systems.