ANMBEST MD416N Relay Module Optocoupler High Level Trigger High/low Arduino 3V

( Brand: Anmbest ), ( Manufacturer Part Number: MD416N ), ( Part Type: Module ), ( Style: 3v Relay 1 Channel ), ( Country Of Origin: China )

Review ANMBEST Relay Module Optocoupler High/low Level Trigger Arduino 3v

The ANMBEST MD416N Relay Module is an optocoupler-isolated design well-suited for Arduino projects that require electrical isolation between the control circuit and the load. This versatile relay module operates on a 3V DC power supply, making it an excellent choice for microcontroller-based projects.

The MD416N features a single-channel optocoupler design, ensuring the electrical isolation of the input and output circuits. The high/low level trigger input accepts signals ranging from 3V to 12V DC, providing flexibility in connection to various control sources. The module comes with an integrated diode for coil protection, safeguarding the relay against inductive kickback.

The optocoupler relay uses an infrared emitting diode and a phototransistor, which allows for the signal to be transmitted through air or an insulating barrier without direct contact between the input and output circuits. This isolation ensures the safety of users and equipment, particularly when working with potentially hazardous voltages or currents.

The ANMBEST MD416N relay module has a maximum load capacity of 30A at 250V AC or 15A at 30V DC. The NO (Normally Open) configuration is pre-wired, but the NC (Normally Closed) and COM (Common) terminals are easily accessible for custom wiring configurations. The module dimensions are compact at 53mm x 26mm x 12mm (2.09 inches x 1.02 inches x 0.47 inches), making it convenient for space-constrained projects.

The relay module comes with a conveniently-mounted LED indicator, which illuminates when the relay is activated, providing a visual confirmation of the switch status. The module is also equipped with a mounting hole, allowing for easy mounting on a perfboard, PCB, or other mounting surfaces.

Overall, the ANMBEST MD416N Relay Module with optocoupler isolation is an essential component for Arduino projects requiring electrical isolation and safe operation. Its versatile input voltage range, compact size, and robust design make it a reliable and efficient solution for various applications.

The AMBEST MD416N relay module is an optocoupler-based relay solution designed for Arduino projects. Optocouplers provide electrical isolation between control and load circuits, making this relay module suitable for applications where safety and galvanic isolation are essential. Let's discuss some pros and cons of using this relay module for your Arduino project:

1. Galvanic isolation: The optocoupler design ensures that no direct electrical contact occurs between the control and load circuits, making it safer and reducing the risk of electrical interference or damage to sensitive components.

2. Versatile triggering: The MD416N can be triggered using both high and low levels, providing flexibility for various project requirements.

3. Arduino compatibility: The module is specifically designed to be used with Arduino boards, making it convenient and easier to integrate into your projects.

4. Relatively small size: Compared to other relay modules, the MD416N is relatively compact, which can be advantageous for space-constrained projects.

1. Limited current handling: The MD416N can only handle a maximum of 500mA and 30VAC/DC, which may not be suitable for high-power applications.

2. Sensitivity: The optocoupler may require a well-defined trigger signal to function correctly, which might require additional circuitry or calibration to ensure reliable operation.

3. Cost: Compared to other relay solutions, such as solid-state relays or mechanical relays, the MD416N may be more expensive due to its optocoupler design.

In conclusion, the AMBEST MD416N relay module offers the advantages of galvanic isolation and versatile triggering, making it a suitable choice for projects where safety and electrical isolation are crucial. However, it may have limitations in terms of current handling, sensitivity, and cost.

Based on the provided information, I would recommend the AMBEST MD416N relay module for projects where safety and electrical isolation are essential, and the current requirements are within its capacity. If you need to handle higher currents or are looking for a more cost-effective solution, you might want to consider other relay options like solid-state relays or mechanical relays.

Details:

Brand Name: ANMBEST. The working status indicator lights are conducive to the safe use. Contact Type: Normally Open. Brand: ANMBEST.

Operation Mode: Off. With indication Leds for Relay output status. RELIABLE: Fault-tolerant design, even if the control line breaks, relay will not move; With optical coupling isolation, triggering more reliable, stable. Very convenient.

Coil Resistance: 100 Millions. All interfaces can be connected directly via terminal wiring leads. Coil voltage : 3 volts . Contact Current Rating: 10 Amps.

Connector Type: Screw. Manufacturer: ANMBEST. Mounting Type: Screw Mount.

part #: md416n prices

• $19.45-$22.39

specifications aiactuato:

• brand: Anmbest
• mpn: Md416n
• part type: Module
• style: 3v Relay 1 Channel
• country of origin: China

general aiactuato:

• Electrical Equipment Supplies > Relays > Control Machine Tool Relays
• condition: New

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• sold: 0
• quantity: 4
• options: Ship-to-home
• started: May 25, 2026
• availability: In Stock

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• policy: Returns Accepted
• time: 30 Days
• paid by: Seller
• method: Money back

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• service: Expedited
• type: Fixed
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• city: San Bernardino, California
• # reviews: 10
• rating: 100.0%