The 1-Channel 12V Relay Module with Optocoupler is a powerful and reliable switching solution designed to control high-power devices with low-voltage microcontrollers. Featuring an optocoupler for electrical isolation, this module provides safe and efficient control of AC and DC loads such as motors, lights, and solenoids. It is compatible with 12V systems, making it perfect for use with Arduino, Raspberry Pi, and other microcontroller platforms.
Features:
Relay Ratings: Switches AC devices up to 250V @ 10A and DC devices up to 30V @ 10A
Operating Voltage: 12V DC for high-power control
Optocoupler Isolation: Ensures safety by providing electrical isolation between the control and load circuits
Low Trigger Current: Compatible with TTL logic (works with microcontroller pins)
LED Indicators: Shows the ON/OFF status of the relay
Screw Terminals: Easy connection with Common (COM), Normally Open (NO), and Normally Closed (NC) terminals
Flyback Diode Protection: Safeguards your microcontroller from voltage spikes during relay switching
Mounting Holes: 4 × 3.1mm pre-drilled holes for simple installation
Wide Compatibility: Works with Arduino, ESP32, ESP8266, Raspberry Pi, and other development boards
Package Includes:
1 × 12V 1-Channel Relay Module with Optocoupler
1-Channel 12V Relay Module with Optocoupler – Ideal for Arduino & Microcontrolle
Warranty
Specifications
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Relay Type: 1-Channel Mechanical Relay
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Operating Voltage: 12V DC
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Trigger Type: Low-level trigger (TTL compatible)
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Switching Capacity:
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AC: 250V @ 10A
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DC: 30V @ 10A
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Control Signal Voltage: TTL (3.3V or 5V logic)
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Output Terminals: Common (COM), Normally Open (NO), Normally Closed (NC)
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Protection Circuit: Includes flyback diode and transistor driver for safe operation
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Optocoupler Isolation: Yes
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LED Indicator: Yes (indicates relay ON/OFF status)
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Mounting Holes: 4 × 3.1mm
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Dimensions: Approx. 50mm x 26mm x 18mm
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Weight: ~12g
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Operating Temperature: -40°C to +85°C
