2-Channel Solid State Relay Module High-Low Level Trigger 3A Optocoupler Isolation
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2-Channel Solid State Relay Module High-Low Level Trigger 3A Optocoupler Isolation
LM YN 2-Channel Solid State Relay Module can be widely used in a variety of power Or signal control cases.
2-Channel Solid State Relay Module High-Low Level Trigger 3A Optocoupler Isolation
제품번호 #: 40575527

2-Channel Solid State Relay Module High-Low Level Trigger 3A Optocoupler Isolation

제품번호 #: 40575527

KRW 40393

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LM YN 2-Channel Solid State Relay Module can be widely used in a variety of power Or signal control cases.
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Note: Step Down Voltage Transformer required for using electronics products of 미국 store (110-120). Recommended power converters 지금 구매.

What Stands Out

High Isolation
The optocoupler isolation ensures safe and reliable operation, protecting sensitive components from voltage spikes, enhancing system longevity.
Flexible Triggering
Supports both high and low level triggering, making it adaptable for various control applications, simplifying integration into different circuit designs.
Robust Load Capacity
With a 3A load capacity, this relay module efficiently controls higher power devices, offering versatility for a range of automation projects.

제품 세부 정보

Shop 2-Channel Solid State Relay Module High-Low Level Trigger 3A Optocoupler Isolation online at a best price in South Korea. B072Z3SWDR
  • DC 5-32V wide voltage power supply with anti-reverse power supply capacity
  • Output rated load: AC / DC 0-50V / 2A; maximum load: AC / DC 0-60V / 3A (within 100ms)
  • Selectable high or low trigger with minimum 0.1mA trigger current
  • Stable performance with anti-interference ability
  • Power indicator (red) and relay status indicator (blue)
  • Can be used for signal or resistive load control; precautions for inductive loads provided
Item Weight0.5 lbs (230 grams)

Who Should Buy?

Suitable For
  • Home Automation

    Ideal for controlling home appliances remotely with a microcontroller, enhancing automation setups and reducing manual effort.

  • DIY Electronics Projects

    Perfect for hobbyists creating circuits that require a way to switch higher power devices safely and effectively.

  • Industrial Control Systems

    Useful in industrial applications where reliable switching of loads with electrical isolation is necessary for safety.

Not Suitable For
  • High Power Loads

    Not suitable for devices exceeding its 3A rating, which could lead to overheating or failure.

  • Unprotected Environments

    Should not be used in harsh or unprotected environments where moisture or dust could damage the components.

  • Non-Electric Use

    Inapplicable for situations requiring mechanical switching, as it is strictly an electronic relay solution.

제품 설명

2-Channel Solid State Relay Module High-Low Level Trigger 3A Optocoupler Isolation

질문이 있으십니까? 채팅하기

고객 질문 및 답변

  • 의문: What is a 2-Channel Solid State Relay Module?

    답변: A 2-Channel Solid State Relay Module is a device that allows you to control high-voltage appliances using a low-voltage signal, effectively acting as an electronic switch. This module typically features two independent relay channels that can be individually operated, providing flexibility in control applications. It is especially beneficial in automation systems, allowing for safe isolation between the control circuit and the load. For example, you can use this module to control lights or motors in a home automation project.
  • 의문: How does the High-Low Level Trigger feature work?

    답변: The High-Low Level Trigger feature lets you operate the relay based on the voltage level you apply, allowing for versatile control modes. In a High-Level Trigger setup, the activation occurs when the input signal is high (+3V to +32V), while a Low-Level Trigger activates when the input is low (0V). This dual functionality can be particularly useful in various electronic projects, such as interfacing with microcontrollers that output different voltage levels. It provides greater adaptability for integrating with existing systems.
  • 의문: What are the advantages of Optocoupler Isolation in this module?

    답변: Optocoupler Isolation offers significant safety benefits by electrically isolating the control signal from the load. This prevents any high voltage from affecting sensitive control circuitry, which is essential when working with various electrical devices. The isolation helps protect your microcontroller and other components from voltage spikes or electrical noise. Typical use cases include industrial automation and robotics, where safety and reliability in high-voltage environments are paramount.
  • 의문: What is the maximum load capacity of the relay?

    답변: The relay in this module is designed to handle a maximum load of 3A at AC or DC voltage levels, making it suitable for numerous applications involving lights, fans, and small motors. This capability allows users to control devices that do not require heavy current, ensuring effective operation without overheating or damage. Practical applications include activating a 12V DC fan or running small LED light systems in hobby projects, ensuring efficiency and reliability during operation.
  • 의문: Can I use this module with Arduino or Raspberry Pi?

    답변: Yes, this relay module is compatible with both Arduino and Raspberry Pi platforms. It can be easily integrated into your DIY projects, allowing you to control high-power devices directly from these microcontrollers. Many enthusiasts use it in home automation systems or robotic applications, where remote control of appliances is required. The clear and straightforward connections make prototyping and experimentation hassle-free, whether you're a beginner or an experienced maker.
  • 의문: How can I connect the module to my microcontroller?

    답변: To connect the module to your microcontroller, you typically need to wire the input terminals to the output pins of your microcontroller while ensuring the load connections are also made correctly. For example, when using an Arduino, you can connect digital output pins to the input side of the relay module. This allows the microcontroller to send control signals to activate or deactivate the relay. It’s important to refer to the specific pin configuration in the module's datasheet for accurate connections.
  • 의문: What precautions should I take while using this relay module?

    답변: When using the relay module, it’s essential to observe electrical safety practices to prevent accidents. Ensure that you are working with voltages within the specified limits to avoid damage to the relay or your microcontroller. Additionally, always double-check your connections to prevent shorts and use heat sinks if necessary for high loads. These precautions are critical during projects involving motors or other inductive loads, where back EMF can occur, potentially damaging components.
  • 의문: What types of devices can be controlled with this relay module?

    답변: This relay module is versatile and can control a variety of devices, including household appliances such as lamps, fans, and even small generators. Its ability to handle both AC and DC loads makes it compatible with a wide range of equipment. For example, in a home automation setup, you could use it to turn on and off different lighting systems throughout your house, allowing for customizable and efficient energy use. This flexibility broadens its application across various project types.
  • 의문: Is there a specific driver circuit needed for this relay module?

    답변: Generally, the relay module is designed to operate directly with microcontrollers without requiring a separate driver circuit. However, to improve performance or when using long wire lengths, implementing a transistor driver circuit might be useful. This helps ensure strong signal transmission and prevents issues like voltage drop. Utilizing driver circuits enhances reliability, especially in situations where maintaining signal integrity is critical, such as in extensive automation setups.
  • 의문: Where can I buy a 2-Channel Solid State Relay Module High-Low Level Trigger 3A Optocoupler Isolation in South Korea?

    답변: You can purchase the 2-Channel Solid State Relay Module High-Low Level Trigger 3A Optocoupler Isolation from Ubuy in South Korea. Ubuy offers a convenient online shopping platform where you can find a wide selection of electronic components, including this relay module. Shopping on Ubuy ensures that you receive quality products along with reliable service, making it an excellent choice for your electronic project needs.

LM YN Solid State Relays Editorial Review

LM YN 2-Channel Solid State Relay Module with high-low level trigger and 3A optocoupler isolation is a useful product, especially for those who require level-triggered relay operation. It is a 2-channel relay, and XM (equivalent to the COM port of a conventional relay) is the common port of the trigger terminal, which allows users to select high level or low level trigger. When a high-level trigger is selected, 3-32V is the effective high-level voltage, and when a low-level trigger is selected, 0-2V is the effective low-level voltage. The relay output has NO1-NO2 (normally open interface), while the relay is suspended before it is closed, and it is short-circuited with COM after being closed, and C0M1-COM2 (relay Common port). In terms of installation, it can fit M3 PCB standoffs. Also, the package comes with one product that has two solid-state relays, which is useful for those requiring two DPDT. However, there is no USB version of this product, and there's no USB parallel output card that can control it.

Customer Reviews & Ratings

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다른 고객들과 의견을 공유하세요.

장점

  • Has optocoupler isolation
  • Has both high and low trigger voltage for selection
  • Comes with 2-channel relay
  • Fits M3 PCB standoffs

단점

  • No USB version

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“The product received very good packaging & safe…Thank You”

16 June 2026 · via Trustpilot
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12 June 2026 · via Trustpilot
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  • Ubuy는 글로벌 검색 엔진이므로 Ubuy에 나열된 모든 제품이 판매용은 아닙니다. 제품은 수출/무역 규정을 따릅니다.

KRW 40393

지금 주문하시면 도착 예정일 화요일, 7월 14

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특징 및 장점

  • DC 5-32V wide voltage power supply, with power supply anti-reverse ability
  • Output Rated load: AC / DC 0-50V / 2A
  • Maximum load: AC / DC 0-60V / 3A (within 100ms)
  • Module size: 50x45x10mm(LWH), hole diameter 3mm, hole center distance 35x25mm(LW)
  • Solid-state relay output resistance is very small which can replace mechanical relay contacts
  • Fast action time with long working life characteristics

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