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Best Micro Relays of 2026
Last updated on 03/04/2026
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1
MICTUNING 12V Fuse Relay Switch Harness Set - 30A ATO/ATC Blade Fuse, 5-Pin SPST Automotive Electrical Relays with Heavy Duty 14 AWG Wires - 6 Pack
MICTUNING
Why we love it
Upgraded version saves space.
Easy color-coded wiring.
Neat mounting design feature.
Main Highlights
✔Upgraded Version - Automotive relays built in fuse socket with included 30A blade fuse, no need of a separate fuse holder, saving space and money. Heavy duty 14AWG wires for main contact
✔Easy Wiring - The relay sockets come with color-labeled wires for loads/accessories convenient wiring. Black - Ground (85), Red - VDC (30), White - Trigger (86), Blue - Output N/O (87)
✔Neat Mounting Design - The interlocking design of unique male-female slot on each socket edge, easy to connect all relays together, offering clean and neat installation
✔Good Construction - 12V DC (Max@14V DC) and 30A High Switching Capability. Bosch style 5-Pin SPST (Single Pole Single Throw) Relay. Metal mounting bracket on the electrical relay promotes easy installation
✔Wide Application - Wide range of use, greatly used for car lights, fog lamps, wiper, starter, fans, speakers, traction control systems, etc
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9.7
Exceptional
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9.7
Exceptional
MICTUNING
MICTUNING 12V Fuse Relay Switch Harness Set - 30A ATO/ATC Blade Fuse, 5-Pin SPST Automotive Electrical Relays with Heavy Duty 14 AWG Wires - 6 Pack
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Show More
Why we love it
Upgraded version saves space.
Easy color-coded wiring.
Neat mounting design feature.
Main Highlights
✔Upgraded Version - Automotive relays built in fuse socket with included 30A blade fuse, no need of a separate fuse holder, saving space and money. Heavy duty 14AWG wires for main contact
✔Easy Wiring - The relay sockets come with color-labeled wires for loads/accessories convenient wiring. Black - Ground (85), Red - VDC (30), White - Trigger (86), Blue - Output N/O (87)
✔Neat Mounting Design - The interlocking design of unique male-female slot on each socket edge, easy to connect all relays together, offering clean and neat installation
✔Good Construction - 12V DC (Max@14V DC) and 30A High Switching Capability. Bosch style 5-Pin SPST (Single Pole Single Throw) Relay. Metal mounting bracket on the electrical relay promotes easy installation
✔Wide Application - Wide range of use, greatly used for car lights, fog lamps, wiper, starter, fans, speakers, traction control systems, etc
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Value for Money
2
The Lord of the Tools 4pcs 303-1AH-C-R1-U01-12VDC 4 Pin Automotive Relays 12V 20A SPST Micro Relay For Automotive Electronics Industrial Control And Power Management
The Lord of the Tools
Why we love it
Compact size for tight spaces.
Reliable performance in various applications.
High current capacity and stability.
Main Highlights
Replaceable OE part number: 303-1AH-C-R1-U01,303-1AH-C-R1-U01-12VDC,710001778
This 12VDC, 20A ultra-small micro relay features a SPNO (single-pole, single-throw, normally open) design, providing high reliability and stability.
Its compact size and high current carrying capacity make it an ideal current control device in automotive electronics, industrial control, home appliances and communication equipment.
Its design is suitable for environments that require high load current control, and has a high switching frequency and response speed. It is suitable for use scenarios with limited space but high current load, such as car lights, power switches and home appliance control.
Application: Automotive electronics: Control electrical equipment such as car lights, door locks, windows, etc. Industrial equipment: Used in factory automation control systems.
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9.7
Exceptional
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9.7
Exceptional
The Lord of the Tools
The Lord of the Tools 4pcs 303-1AH-C-R1-U01-12VDC 4 Pin Automotive Relays 12V 20A SPST Micro Relay For Automotive Electronics Industrial Control And Power Management
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Why we love it
Compact size for tight spaces.
Reliable performance in various applications.
High current capacity and stability.
Main Highlights
Replaceable OE part number: 303-1AH-C-R1-U01,303-1AH-C-R1-U01-12VDC,710001778
This 12VDC, 20A ultra-small micro relay features a SPNO (single-pole, single-throw, normally open) design, providing high reliability and stability.
Its compact size and high current carrying capacity make it an ideal current control device in automotive electronics, industrial control, home appliances and communication equipment.
Its design is suitable for environments that require high load current control, and has a high switching frequency and response speed. It is suitable for use scenarios with limited space but high current load, such as car lights, power switches and home appliance control.
Application: Automotive electronics: Control electrical equipment such as car lights, door locks, windows, etc. Industrial equipment: Used in factory automation control systems.
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3
Be In Your Mind 2Pcs Micro Relay 5 Contacts Changeover CO 12V 15A 25A 40A Vehicle With Diode Relay Switch 5Pin Automotive Power Relay 95225-2D000,25422819, 6555HJ
Be In Your Mind
Why we love it
Wide compatibility with various brands.
Reliable performance in extreme temperatures.
Includes two durable micro relays.
Main Highlights
Compatibility: Compatible with CASE 4120472, Compatible with DEUTZ-FAHR 1145036,Compatible with FENDT D26732913,Compatible with HYUNDAI 95225-2D000,Compatible with MERCEDES-BENZ 25422819,Compatible with PEUGEOT 6555HJ,Compatible with PEUGEOT 9620220980,Compatible with RENAULT 7700414484,Compatible with ROLLS-ROYCE UD71214,Compatible with SAME 26732913.
Contacts: 5 : 2x 6.3mm + 3x 4.8mm.
Nominal voltage: 12V. Nominal current: 15/25A. Temperature range: -40°C to +125°C.
Relay function: changeover contact (CO)
Scope of delivery: 2x Micro relay 5-contact changeover contact 12V 15/25A.
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9.6
Superb
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9.6
Superb
Be In Your Mind
Be In Your Mind 2Pcs Micro Relay 5 Contacts Changeover CO 12V 15A 25A 40A Vehicle With Diode Relay Switch 5Pin Automotive Power Relay 95225-2D000,25422819, 6555HJ
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Why we love it
Wide compatibility with various brands.
Reliable performance in extreme temperatures.
Includes two durable micro relays.
Main Highlights
Compatibility: Compatible with CASE 4120472, Compatible with DEUTZ-FAHR 1145036,Compatible with FENDT D26732913,Compatible with HYUNDAI 95225-2D000,Compatible with MERCEDES-BENZ 25422819,Compatible with PEUGEOT 6555HJ,Compatible with PEUGEOT 9620220980,Compatible with RENAULT 7700414484,Compatible with ROLLS-ROYCE UD71214,Compatible with SAME 26732913.
Contacts: 5 : 2x 6.3mm + 3x 4.8mm.
Nominal voltage: 12V. Nominal current: 15/25A. Temperature range: -40°C to +125°C.
Relay function: changeover contact (CO)
Scope of delivery: 2x Micro relay 5-contact changeover contact 12V 15/25A.
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4
AITRIP 3pcs W1209 12V DC Digital Temperature Controller Board with 10A One-channel Relay and Waterproof Micro Digital Thermostat -50-110°C Electronic Temperature Temp Control Module Switch
AITRIP
Why we love it
Highly accurate temperature control.
Bright, easy-to-read display.
Waterproof sensor for versatility.
Main Highlights
The W1209 thermostat module has a STM8S controller, a sensor input, keys, LED display, and a relay. It can be reprogrammed for control, timing, or counting.
Temperature Measurement Range: -50~110℃. Control Precision: 0.1 celsius.
Electronic digital thermostat with a 3-digit LED display, extremely bright. Operation both in heating and cooling to easily control equipment and devices.
The NTC probe is waterproof and allows to control the temperature even of fluids, allowing the controlled heated or cooling
The output is electronically controlled by a microprocessor, to guarantee the utmost precision of intervention and an excellent resolution of reading temperature
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9.4
Superb
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9.4
Superb
AITRIP
AITRIP 3pcs W1209 12V DC Digital Temperature Controller Board with 10A One-channel Relay and Waterproof Micro Digital Thermostat -50-110°C Electronic Temperature Temp Control Module Switch
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Why we love it
Highly accurate temperature control.
Bright, easy-to-read display.
Waterproof sensor for versatility.
Main Highlights
The W1209 thermostat module has a STM8S controller, a sensor input, keys, LED display, and a relay. It can be reprogrammed for control, timing, or counting.
Temperature Measurement Range: -50~110℃. Control Precision: 0.1 celsius.
Electronic digital thermostat with a 3-digit LED display, extremely bright. Operation both in heating and cooling to easily control equipment and devices.
The NTC probe is waterproof and allows to control the temperature even of fluids, allowing the controlled heated or cooling
The output is electronically controlled by a microprocessor, to guarantee the utmost precision of intervention and an excellent resolution of reading temperature
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5
JOREST 180Pcs Car Fuse Assortment Kit, 60 Mini Blade Automotive + 60 Standard Auto Fuses + 60 Micro Fuses + Fuse Puller – for Car/RV/Truck/Motorcycle(2Amp 3A 5A 7.5A 10A 15A 20A 25A 30A 35A 40A)
Jorest
Why we love it
High cost-effective fuse kit.
Reasonable quantity matching.
Abundant types and protection.
Main Highlights
【High cost-effective fuse kit】-- The kit includes micro size 60pcs, mini size 60pcs and standard size 60pcs. Three styles of fuses have 11 current specifications (2A /3A / 5A/ 7.5A/ 10A/ 15A/ 20A/ 25A / 30A/ 35A/40A), equipped with a fuse puller.
【Reasonable quantity matching】-- According to market research data, we have increased the number of fuses with commonly used current specifications of 10A/ 15A/ 20A/ 25A, and reduced the number of other less-used fuses. The number is reasonable and and the use time of fuses is extended.
【Abundant types and precise protection】-- Three different types of fuses are suitable for most vehicles and meet the different needs of consumers. It is recommended that you use the original car fuse to compare with our fuse size or search the car fuse type on the Internet.
【Installation Instructions】-- The kit contains fuse installation instructions to help you replace and install the fuse correctly. The fuse kit is suitable for cars/RVs/truck/motorcycles/boats, etc.
【High quality, easy to identify】-- The fuse is made of environmentally friendly plastic and zinc alloy. The fuse of each current specification is distinguished by different colors, and the current specification number is marked on the top of each fuse, which is easy to identify.
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9.3
Superb
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9.3
Superb
Jorest
JOREST 180Pcs Car Fuse Assortment Kit, 60 Mini Blade Automotive + 60 Standard Auto Fuses + 60 Micro Fuses + Fuse Puller – for Car/RV/Truck/Motorcycle(2Amp 3A 5A 7.5A 10A 15A 20A 25A 30A 35A 40A)
Check Price
Show More
Why we love it
High cost-effective fuse kit.
Reasonable quantity matching.
Abundant types and protection.
Main Highlights
【High cost-effective fuse kit】-- The kit includes micro size 60pcs, mini size 60pcs and standard size 60pcs. Three styles of fuses have 11 current specifications (2A /3A / 5A/ 7.5A/ 10A/ 15A/ 20A/ 25A / 30A/ 35A/40A), equipped with a fuse puller.
【Reasonable quantity matching】-- According to market research data, we have increased the number of fuses with commonly used current specifications of 10A/ 15A/ 20A/ 25A, and reduced the number of other less-used fuses. The number is reasonable and and the use time of fuses is extended.
【Abundant types and precise protection】-- Three different types of fuses are suitable for most vehicles and meet the different needs of consumers. It is recommended that you use the original car fuse to compare with our fuse size or search the car fuse type on the Internet.
【Installation Instructions】-- The kit contains fuse installation instructions to help you replace and install the fuse correctly. The fuse kit is suitable for cars/RVs/truck/motorcycles/boats, etc.
【High quality, easy to identify】-- The fuse is made of environmentally friendly plastic and zinc alloy. The fuse of each current specification is distinguished by different colors, and the current specification number is marked on the top of each fuse, which is easy to identify.
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6
OTOTEC 2pcs DC 12V Micro 4 PIN Automobile Relay ACV31012 Compatible with Renault Compatible with Nissan
OTOTEC
Why we love it
Compatible with popular models.
Heat-resistant and corrosion-resistant.
Includes two relays for convenience.
Main Highlights
Relay OEM: ACV31012, 11209-0911, M07 11209-0911, 41119-1915 12VDC.
This relay is compatible with Renault Clio from 1998 to 2012 and also compatible with Nissan from 2003 to 2014.
Supports 12V DC circuit, 4-pin design, stable load capacity, suitable for controlling automotive electrical systems such as car lights, fans, and audio systems.
The relay adopts a plastic casing and metal contacts, which are heat-resistant and corrosion-resistant, and can adapt to the harsh environment of the engine compartment.
The package includes: 2pcs automotive relay, which can solve the circuit interruption problem caused by relay failure.
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9.2
Superb
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9.2
Superb
OTOTEC
OTOTEC 2pcs DC 12V Micro 4 PIN Automobile Relay ACV31012 Compatible with Renault Compatible with Nissan
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Show More
Why we love it
Compatible with popular models.
Heat-resistant and corrosion-resistant.
Includes two relays for convenience.
Main Highlights
Relay OEM: ACV31012, 11209-0911, M07 11209-0911, 41119-1915 12VDC.
This relay is compatible with Renault Clio from 1998 to 2012 and also compatible with Nissan from 2003 to 2014.
Supports 12V DC circuit, 4-pin design, stable load capacity, suitable for controlling automotive electrical systems such as car lights, fans, and audio systems.
The relay adopts a plastic casing and metal contacts, which are heat-resistant and corrosion-resistant, and can adapt to the harsh environment of the engine compartment.
The package includes: 2pcs automotive relay, which can solve the circuit interruption problem caused by relay failure.
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7
24V Micro Automotive Changeover Relay 35A 5-Pin SPDT Car Auto (Pack of 5)
Switch Electronics
Why we love it
Reliable SPDT contact configuration.
Efficient 24VDC coil voltage.
High maximum switching current.
Main Highlights
Contact Configuration: SPDT
Coil Voltage: 24VDC
Power Consumption: 1.6W
Maximum Switching Current: 30A
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9.1
Superb
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9.1
Superb
Switch Electronics
24V Micro Automotive Changeover Relay 35A 5-Pin SPDT Car Auto (Pack of 5)
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Why we love it
Reliable SPDT contact configuration.
Efficient 24VDC coil voltage.
High maximum switching current.
Main Highlights
Contact Configuration: SPDT
Coil Voltage: 24VDC
Power Consumption: 1.6W
Maximum Switching Current: 30A
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8
OTOTEC 1x DC 12V Micro 4 PIN Automobile Relay ACV31012 Compatible with Renault Compatible with Nissan
OTOTEC
Why we love it
Compatible with multiple car models.
Durable heat-resistant construction.
Solves circuit interruption issues.
Main Highlights
Relay OEM: ACV31012, 11209-0911, M07 11209-0911, 41119-1915 12VDC.
This relay is compatible with Renault Clio from 1998 to 2012 and also compatible with Nissan from 2003 to 2014.
Supports 12V DC circuit, 4-pin design, stable load capacity, suitable for controlling automotive electrical systems such as car lights, fans, and audio systems.
The relay adopts a plastic casing and metal contacts, which are heat-resistant and corrosion-resistant, and can adapt to the harsh environment of the engine compartment.
The package includes: 1PC automotive relay, which can solve the circuit interruption problem caused by relay failure.
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8.9
Excellent
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8.9
Excellent
OTOTEC
OTOTEC 1x DC 12V Micro 4 PIN Automobile Relay ACV31012 Compatible with Renault Compatible with Nissan
Check Price
Show More
Why we love it
Compatible with multiple car models.
Durable heat-resistant construction.
Solves circuit interruption issues.
Main Highlights
Relay OEM: ACV31012, 11209-0911, M07 11209-0911, 41119-1915 12VDC.
This relay is compatible with Renault Clio from 1998 to 2012 and also compatible with Nissan from 2003 to 2014.
Supports 12V DC circuit, 4-pin design, stable load capacity, suitable for controlling automotive electrical systems such as car lights, fans, and audio systems.
The relay adopts a plastic casing and metal contacts, which are heat-resistant and corrosion-resistant, and can adapt to the harsh environment of the engine compartment.
The package includes: 1PC automotive relay, which can solve the circuit interruption problem caused by relay failure.
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9
10Pcs PCB Mount Power Relay Coil DPDT DC 8 Pins Micro Relay
winwill
Why we love it
High-quality PCB power relays.
Versatile for many applications.
Compact size for easy installation.
Main Highlights
10Pcs pcb power relay in a pack, HK19F Relay has 8 soldering terminal, DPDT type, PCB mount.
Coil Voltage: DC 9V; Contact Capacity: 1A 125VAC/2A 30VDC; Contact Resistance: Maximum 100m at initial value; 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).
Can adjust automatically, protect and transform the electric circuit.
Widely used in the remote control, communication, automatic control system, electronic equipment's, etc.
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8.8
Excellent
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8.8
Excellent
winwill
10Pcs PCB Mount Power Relay Coil DPDT DC 8 Pins Micro Relay
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Why we love it
High-quality PCB power relays.
Versatile for many applications.
Compact size for easy installation.
Main Highlights
10Pcs pcb power relay in a pack, HK19F Relay has 8 soldering terminal, DPDT type, PCB mount.
Coil Voltage: DC 9V; Contact Capacity: 1A 125VAC/2A 30VDC; Contact Resistance: Maximum 100m at initial value; 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).
Can adjust automatically, protect and transform the electric circuit.
Widely used in the remote control, communication, automatic control system, electronic equipment's, etc.
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10
10Pcs PCB Mount Power Relay - DPDT DC 8 Pins Micro Relay
winwill
Main Highlights
10Pcs pcb power relay in a pack, HK19F Relay has 8 soldering terminal, DPDT type, PCB mount.
Coil Voltage: DC 3V; Contact Capacity: 1A 125VAC/2A 30VDC; Contact Resistance: Maximum 100m at initial value; 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).
Can adjust automatically, protect and transform the electric circuit.
Widely used in the remote control, communication, automatic control system, electronic equipment's, etc.
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8.7
Excellent
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8.7
Excellent
winwill
10Pcs PCB Mount Power Relay - DPDT DC 8 Pins Micro Relay
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Main Highlights
10Pcs pcb power relay in a pack, HK19F Relay has 8 soldering terminal, DPDT type, PCB mount.
Coil Voltage: DC 3V; Contact Capacity: 1A 125VAC/2A 30VDC; Contact Resistance: Maximum 100m at initial value; 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).
Can adjust automatically, protect and transform the electric circuit.
Widely used in the remote control, communication, automatic control system, electronic equipment's, etc.
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