The Best 3 Volt Relay of 2025 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best 3 Volt Relay of 2025. Check our ranking below.
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- 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
- 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.
- 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/Raspberry/CNC machine/ PS4/3.3V /NodeMCU/ ESP8266 Module etc.
- Product Name: PCB Electromagnetic Power Relay;Model: JQC-3F(T73)
- Coil Voltage : DC 3V
- Contact Capacity: 7A 240VAC, 10A 125VAC/28VDC
- Number of pins: 5 Pins; Contact: SPDT Type
- Content : 10 x PCB Power Relay
- 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；1Pcs Screwdriver
- Product Name : PCB Power Relay; Model : HK19F
- Coil Voltage : DC3V; Contact Ratings: 1A 125VAC/2A 30VDC; 2NO 2NC
- Number of Pins : 8; Size (Approx.) : 2 x 1 x 1.4cm / 0.8" x 0.4" x 0.6"(L*W*H); Weight : 51g; Package Content : 6 Pcs
- Compact and sealed construction. Long operational life. The relay can automatically adjust, protect and transform the circuit.
- Warranty for 1 year. If there are any issues with your order, please contact us.
- 【High Reliability】: Double power selection design anti-interference ability is strong, photoelectric isolation protection of high reliability.
- 【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.
- 【High Level Trigger】: The relay module is triggered by high level signal, which can be input from microcontroller IO.
- 【Jumper Caps】: You are free to select whether the relay and the signal share the same power supply or not by removing the jumper caps on the pins or not. It is recommended to share the same power supply, because that is more convenient for using.
- Input:3-32Vdc,Output:5-60Vdc
- Without a heatsink installed, the maximum current is 1A.
- Long lifespan: uses optocoupler isolation and is contactless, so there's no mechanical lifespan limit.
- Fast response,high trigger,no noise.
- Commonly used for development boards like ESP32 and Raspberry Pi.
- 【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.
Last update on 2026-06-21 / Affiliate links / Images from Amazon Product Advertising API
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