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  1. High and Low Level Trigger Relay Module with Optocoupler for 8 Channel Control

    Each adopts optocoupler isolation, which has strong anti-interference ability. Trigger mode: low level trigger, high level trigger. There is an LED indicator on each relay switch. Material: PCB circuit board.

    eBay

  2. 1 Pcs DC 24V 4 Channel Relay Module Board Shield 30A High/Low Level Trigger

    What is this?This multi channel relay module equipped with high current relays ensures electrical safety and stable control. Suitable for various microcontrollers, it features an easy to install design, offering high and low-level trigger mode options maintains stability, making it suitable for home automation, industrial control, and more, providing an efficient and reliable solution for your projects. What will I get?Material: Circuit boardChannel: 4Working Voltage: DC24VColor: GreenMaximum load: 250VAC/30VDCQuiescent Current: 5mAMaximum Load Current: 30ASize: 129 x 72 x 22mm/5.1 x 2.8 x 0.9inch (LxWxH)In the package: 1 Pcs x Relay ModuleAre there any advantages of the product?Designed with a PCB layout, our multi-channel relay module features a high-current relay, housed in a durable ABS shell for resistance.

    eBay

  3. High and Low Level Trigger Relay Control Module with Optocoupler Isolation

    Each adopts optocoupler isolation, which has strong anti-interference ability. Trigger mode: low level trigger, high level trigger. There is an LED indicator on each relay switch. Material: PCB circuit board.

    eBay

  4. Relay Module 2 Channel Button Self Locking Interlock High Low Level Trigger BST

    There is a signal light for each channel to clearly know which switch is working. Adopts single chip design, possess stable and performance, strong anti interference, no false trigger with superior performance.

    eBay

  5. 10x 12V Relay Module 1-Channel with Optocoupler Isolation High/Low Level Trigger

    【Load Range】NO(Normally open) maximum load < AC 250V/10A, < DC 30V/10A. Trigger current of opto-isolator: 5mA. - Trigger Current: 3 - 5mA. - Relay Type: 12V 1-Channel. - Relay Status Indicator: Red.

    eBay

  6. 1 Channel High Low Level Trigger Relay 24V with Optocoupler Isolation (1S 24V)

    Optocoupler Isolation: The high and low level relay module utilizes optocoupler isolation, providing increased stability and preventing interference between the input and output signals. 1 Channel High Or Low Level Trigger DC 24V High Low Level Trigger Relay Switch with Optocoupler Isolation for Arduino.

    eBay

  7. 3.3V 5V 12V 24V 1 Channel Relay Module High and low Level Trigger Relay Boar GF

    When com is shorted to low, the corresponding relay is a low level trigger. When com is shorted to high, it is a high level trigger. Using double optocoupler isolation, strong drive capability, stable performance; trigger current 5mA;.

    eBay

  8. High and Low Level Trigger Relay Control Module with Optocoupler Isolation

    Each adopts optocoupler isolation, which has strong anti-interference ability. Trigger mode: low level trigger, high level trigger. There is an LED indicator on each relay switch. Material: PCB circuit board.

    eBay

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