The Best 3.3V Relay Module of 2022 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best 3.3V Relay Module of 2022. Check our ranking below.
2,174 Reviews Scanned
- Original Songle Relay
- 30VDC 250VAC Load：The power switch is compatible with 10A 250VAC and 10A 30VDC load.
- Optocoupler Isolator:3V/3.3V power relay module supports photocoupler isolation control.
- Indicator with output signal
- The signal input port can be connected to the IO port of the single chip microcomputer, and the high-level signal is driven
- Dual power supply selection design has strong anti-interference ability and high reliability of photoelectric isolation protection
- Onboard 3V,10A/250VAC; 10A/30V DC relay, which can be continuously closed for 100,000 times, with diode laxative protection, short response time
- The external connection adopts rotary crimping terminal to make the connection firmer, With fixed mounting holes for easy installation
- 【30VDC 250VAC Load】 Equiped with high-current relay, AC250V 10A ; DC30V 10A, each relay has normally open and normally closed contact. Can be selected by jumper relay and TTL or ground.
- 【High Level Trigger】The relay module is triggered by high level signal, which can be input from microcontroller IO.
- 【 3V/3.3V power relay module】- This Relay Board provides a single relay that can be controlled by any 3V/3.3V digital input from your microcontroller IO.
- 【Wide Application】- These 3v relay board works well with ARM /PIC /AVR /MCU/Raspberry/CNC machine/ PS4/3.3V /NodeMCU/ ESP8266 module etc.
- 【Long Life】 - Fast response time less than 20ms and long lifetime up to 100,000 times snap action with diode freewheel protection.
- 3V Relay Module: Working Voltage: DC 3-3.3V; Working Current: 65mA; Trigger Current: 3mA;Load: 10A 250VAC / 10A 30VDC;Load Current: 10A max
- Optocoupler Isolator: 3V/3.3V Power Relay Module Supports Photocoupler Isolation Control
- High Level Trigger: The Relay Module is Triggered by High Level Signal, Which Can Be Input From Microcontroller IO
- Jumper Caps: By Removing the Jumper Caps on the Pins,You can Select Whether the Relay and the Signal Share the Same Power Supply or Not,But We Are Recommended to Share the Same Power Supply
- Wide Application: These 3V Relay Power Switch Module Works Well With ARM /PIC /AVR /MCU/CNC Machine/ PS4 etc.
- 3.3V Relay Module：Compatible with for Power Switching LED Lights Small Motors Circuit Isolation Signal Conversion
- Size：70*17*20mm
- Voltage: DC 3V/3.3V
- Load：10A 250VAC；10A 30VDC
- Commodities include：6Pcs 3V/3.3V Relay Module
- 5PCS DC 3V/3.3V 1 Channel Optocoupler 3V 3.3V Relay High Level Driver Module Isolated Drive Control Board 3V Relay Module for Arduino
- Relay isolation drive control module
- Relay isolation drive control module, the core is the electronic control device relay, with control
- Dual power supply selection design has strong anti-interference ability and high reliability of photoelectric isolation protection
- Onboard 3V, 10A/250V AC; 10A/30V DC relay, which can be connected continuously 100,000 times, with diode effusion protection, short response time
- DC 5V 3 Channel Relay Module Relay Expansion Board with Optocoupler Insulation for Arduino
- 3-Channel Relay Module With Optocoupler Isolation Compatible 3.3V 5V Signal
- Size:63*42*20mm
- Trigger Level:3V-7V trigger,Trigger Current:5mA
- Control Voltage:AC 0-250V or DC 0-30V,Control Current:0-7A
- [With LED light]: This relay module LED light is used to indicate the output status of the relay, and the standard interface can be directly controlled by the microcontroller.
- [Good performance]: This relay module is small in size, easy to carry and store, easy to use, and good in performance
- [Load ]: The maximum AC voltage load of this relay module is 250V, AC 10A, DC voltage maximum load 30V, DC 10A, output normally open or normally closed
- [Scope of application]: This relay module supports all MCU control, industrial fields, PLC control, home control, VCC system power supply, etc.
- [High safety factor]: This relay module adopts strict quality control and quality assurance, high safety factor, and can be used with confidence
- The 1-channel relay module utilizes relay control, supporting AC voltage up to 250V and current up to 10A, as well as DC voltage up to 30V and current up to 10A.
- The 3V relay module features a powerful 8550 transistor drive, this relay module ensures strong and efficient operation. Whether deploying in hobby projects or professional settings, this module guarantees reliable contact and switching.
- Operating at 5V/12V/24V, this 3.3V relay module accepts a 5V input on the VCC pin. It offers 10 ports for MCU control via the 1N1 relay control interface (active low).This ensures broad applicability for both DIY enthusiasts and technical experts.
- Measuring a compact 2.7x4.4 cm, this relay module is designed for ease of integration. Equipped with pre-drilled mounting holes, it ensures secure and stable installation, saving time and effort during your project setups.
- The module includes a green power indicator and a dedicated red status light for each relay, enhancing operational safety and providing clear visual feedback on relay status. This feature makes the module user-friendly and highly intuitive.
Last update on 2025-10-30 / Affiliate links / Images from Amazon Product Advertising API
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Potential sources can include buying guides for 3.3V Relay Module, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible 3.3V Relay Module. Make sure that you are only using trustworthy and credible websites and sources.
We provide an 3.3V Relay Module buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available 3.3V Relay Module currently available on the market.
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- Brand Value: Every brand of 3.3V Relay Module has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
- Features: What bells and whistles matter for an 3.3V Relay Module?
- Specifications: How powerful they are can be measured.
- Product Value: This simply is how much bang for the buck you get from your 3.3V Relay Module.
- Customer Ratings: Number ratings grade 3.3V Relay Module objectively.
- Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 3.3V Relay Module.
- Product Quality: You don’t always get what you pay for with an 3.3V Relay Module, sometimes less, and sometimes more.
- Product Reliability: How sturdy and durable an 3.3V Relay Module is should be an indication of how long it will work out for you.
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FAQ:
Q: How to power a 3-3v relay?
A: Usually, you’re ging to power the 3.3V device from something like 5V USB or 9V plug. These sources can often provide the power required to energize the coil of your relay. You will have to make the control signal of your board and switch the “input power” over the coil of your relay.
Q: What power source do I need for a relay?
A: Check the specs to find one that fits your needs. Usually, you’re ging to power the 3.3V device from something like 5V USB or 9V plug. These sources can often provide the power required to energize the coil of your relay. You will have to make the control signal of your board and switch the “input power” over the coil of your relay.
Q: How does a 220U relay work?
A: The 220u charges via the 2k2 and bottom diode. When an input above 1.5v is applied to the input of the circuit, both transistors are turned ON and the 5v across the electrolytic causes the negative end of the electro to go below the 0v rail by about 4.5v and this puts about 10v across the relay. ”
Q: What does a monitor relay do?
A: Monitoring relay for monitoring 1-phase voltages of 0…300 V AC/DC, overvoltage/undervoltage or window, error memory, wide range power supply unit, 2 changeover contacts Save money: Best price starts from {0} pieces!