4 Channel Relay Module with Optocoupler Isolation Supports High and Low Trigger 5V 12V 24V

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    2.70 2.70 Piece 2.7 USD

    ¥ 18.70

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    Parameters:

    • Maximum load:AC 250V/10A, DC30V/10A

    • SMD optocoupler isolation, strong driving ability, stable performance; trigger current 5mA

    • The module voltage 12V

    • Each channel module can be set high or low triggered by jumper

    • Fault-tolerant design, even if the control line is broken, the relay will not operate

    • Power indicator (green), 4 relay state indicator (red)

    • Interface design user-friendly, all interfaces are available through the wiring terminal direct connection leads, very convenient