1 Channel 3V Relay Module 10A AC - Cover Expand

1 Channel 3V Relay Module 10A AC

DFRobot DFRobot



This versatile 1 Channel AC Relay Module offers a low 2.25V pick-up voltage, making it ideal for use with both 5V and 3.3V Microcontrollers!

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In the world of small scale electrical work – or Electronics to be more specific – we often find ourselves having to control circuits and wrangle electrons through the use of Transistors and other forms of switches. However, while this is relatively easy and par for the course, it becomes a lot more tricky when you want to integrate larger electrical devices into your low-voltage circuits – especially if you want to keep the AC and DC sides isolated from each other.

Fortunately, specialised devices like these 1 Channel 3V Relay Modules make it as simple as can be, and are built to handle up to 10A 250V AC, allowing you to integrate larger AC-powered devices into DC-circuits, so that you can finally control your ceiling fan via remote control, or integrate strong motors and other high-power components into lightweight home automation. These modules feature a really handy 2.25V coil pick-up voltage, which means that they can be natively used alongside both 5V and 3.3V microcontrollers, with a convenient Gravity Series 3-Pin Digital interface for sheer convenience and ease-of-use.

Although it is technically possible to use these relay modules for DC applications, they are primarily designed for AC, and as such, we suggest that you use them only for AC applications. However, if you’re looking for DC or AC/DC relays in varying control capacities and with multiple channels, be sure to check out our entire Relay Modules Category to find the ideal relays to cater to your needs.


1 Channel 3V Relay Module 10A AC  -  Technical Specifications:

  • Relay Type

– Electromechanical                                             

  • Number of Relays/Channels

– 1

  • Control Signal

– TTL Level (HIGH/LOW)

  • Contact Type

– NC | NO | N/A | COM

  • Input Voltage

– 2.8V to 5.5V DC

  • Max Control Capacity (AC)

– 10A 250V AC

  • Coil Pick-Up Voltage

– 2.25V DC

  • Coil Drop-Out Voltage

– 0.3V DC

  • Switching Rate

– 10ms Activate | 5ms Deactivate

  • Included Extras

– 1 x Gravity Series 3-Pin Digital Cable

  • Weight

– 20g

  • Dimensions

– 38 x 33mm


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1 Channel 3V Relay Module 10A AC

1 Channel 3V Relay Module 10A AC

As self-proclaimed “Robo-holics”, DFRobot is a company comprised of over 100 staff members, of which 30% are engineers who love to build robots. It was started in 2008 with the goal of embracing and promoting open-source hardware, with a core focus on Arduino, Raspberry Pi and their very own LattePanda development boards. Since then, DFRobot have manufactured over 1300 unique modules, sensors and components that all work together and complement each other, allowing users like us to enjoy a full spectrum of cutting edge robotics and electronics without having to pay premium prices.

With the primary goal of developing and manufacturing great quality products, while making them accessible to as many people as possible, DFRobot are rapidly becoming one of the most common-place brands in the world of open-source robotics and electronics. With more than 1300 products developed in-house, and an impressive range of different categories and specialisations, there are few brands in the world who can compete in terms of quality, accessibility and genuine innovation.