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AJMRTC 1-Bit AC220V Optocoupler Isolation Module, AC Voltage Detect Board, DC 3-5V TTL Output, Photoelectric Isolator Sensor for PLC, Arduino, Raspberry Pi, ESP32, Industrial Power Monitoring
- - 1-channel AC 220V voltage detection with optocoupler isolation, separates high voltage and low voltage circuits for safer industrial control
- - Adaptive DC 3V~5V TTL logic output, compatible with PLC, Arduino, Raspberry Pi, ESP32 and most microcontroller IO ports
- - Built-in photoelectric isolation design, effectively suppress interference and protect your control board from high-voltage surge damage
- - Simple screw terminal wiring, LED status indicator for quick AC power presence judgment, easy installation and debugging
- - Compact PCB size, ideal for power status monitoring, industrial automation, DIY electronic projects and equipment fault detection
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AJMRTC 1-bit AC220V optocoupler isolation detection module converts AC 220V power status into safe TTL digital signals. Adopting high-performance optocoupler for galvanic isolation, it isolates high-voltage AC side from low-voltage control side to prevent surge and noise interference, protecting your MCU and PLC system. The module supports DC 3-5V power supply and outputs high/low level signal according to AC 220V power on/off. Equipped with power indicator light and screw terminals, wiring is straightforward. Widely used in industrial power monitoring, automation equipment, DIY electronic projects, power failure alarm and signal acquisition.
- Brand: AJMRTC
- Channel: 1 Bit / 1 Channel
- Input Voltage: AC 220V
- Working Voltage: DC 3V ~ 5V
- Output Signal: TTL digital level
- Isolation Type: Optocoupler photoelectric isolation
- Board Material: FR-4 PCB
- Dimension: 73 x 15 mm
- Application: PLC, Arduino, Raspberry Pi, ESP32, Industrial Control
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by ThermalNest Return Policy
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