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Best Relays - Holiday Sale

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Last Updated - 16.12.2025

Best Choice

01

Waveshare

Industrial 8-Ch ESP32-S3 WiFi Relay Module, Onboard RS485, Digital Input, Relay, Ethernet Port and Multiple Insulation Protection Circuits, Supports RS485 and Bluetooth/WiFi Remote Control

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9.8

Exceptional

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Main highlights

Supports RS485 and Bluetooth / WIFi Remote Control, onboard 8-ch relays and 8-ch digital inputs, contact rating of the onboard relay up to 10A 250V AC / 30V DC, directly controlling 220VAC home appliances, or devices below 30V DC
Supports Arduino IDE, comprehensive SDK, online development resources, tutorials, and technical support are provided, please feel free to contact us if you need
Industrial 8-Channel ESP32-S3 WiFi Relay Module, based on ESP32-S3 microcontroller, built-in 32-bit LX7 dual-core processor, up to 240MHz, integrated 2.4GHz Wi-Fi and Bluetooth LE dual-mode wireless communication
Industrial 8-Ch WiFi Network Relay Module, onboard digital input, RS485, and ethernet port interfaces. Built-in multiple isolation protection circuits such as power isolation and optocoupler isolation, more safe, stable and reliable
Digital Input, supports passive (dry contact) and active (wet contact) digital input, with bi-directional optocoupler isolation

61,43 €
02

MICTUNING

Mictuning 30/40A 12V Car Relay for Car, Additional Headlights, Pack of 5

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9.7

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Safely processed, material is 221 ¨H (105 ¡æ) heat resistant, it is better resistance to burning
Package contents: 5 x relays for and 5 x harness sockets with great multi-coloured packaging. PURCHASE WITH GUARANTEE
Max. 40A Kontakt-Switching-Ffähigkeit, Open 40A / 14V DC Normalerweise und Schlie?en 30A / 14V DC Normalerweise
It can be closer/opener, suitable for car lamp, fog lamp, speaker, fan etc.
Easy wiring - the relay sockets come with colour coded wires for loads/accessories. White (common), black (usually closed) and yellow (usually open)

17,49 €
Value for Money

03

GTIWUNG

GTIWUNG Pack of 10 One Channel Relay Module 5 V, 1 Channel Relay Board with Optocoupler Isolation, High Level Trigger Relay Module, Low Level Trigger Expansion Board, Relay Switch Module for Arduino

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9.6

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

★Stable Performance: The relay module adopts patch optocoupler isolation, strong driving ability, stable performance, and 5mA trigger current.
★Easy to Use The interface design is a humanized interface design, all interfaces can be connected directly via the terminal block, very convenient.
★1 Channel Relay Module Board: The 1 channel relay module works with 5V.The module uses a real high quality relay, the maximum load of the normally open interface: AC 250V/10A, DC 30V/10A.
★ Insulation design: the relay board is insulated with a patch optocoupler, and the insulation circuit prevents the relay switching current from damaging the I/O port.
★ Box contents: 10 x Arduino kits module 5V.

10,99 €
04

ICQUANZX

ICQUANZX 5PCS 5V One Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino Relay

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9.3

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

This product contains 5 modules
New 5V relay module
Name: Arduino kits module
5V relay module 1-way relay module ARDUINO

5,99 €
05

ELEGOO

ELEGOO 8 Channel DC 5V Relay Module with Optocoupler for Arduino UNO R3 1280 DSP ARM PIC AVR STM32 Blue

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9.2

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

√ Note: Many microcontrollers may cause the IO to be pulled to high when booting, so we recommend you choose a low level trigger to avoid accidental triggering. On the other hand, a low-level trigger has the advantage that it does not work under load when resetting the system voltage, thus providing greater safety.
√ Application: MCU control, PLC control, industrial area, smart home.
LEDs to indicate the relay status, can be switched with a low level.
Can be controlled directly with a microcontroller (Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic)
5 V 8-channel relay module, each relay requires 70 mA for switching (switching capacity AC: max. 250 V / 10 A; DC: max. 30 V / 10 A DC)

9,99 €
06

Heschen

Heschen Household AC Contactor, HS1-25, 2 Pole, 1NO, 1NC, AC 220V/240V, Coil Voltage, 35mm DIN Rail Mount (1)

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8.9

Very Good

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Main highlights

Total size (approx.): 82 x 65 x 18 mm / 3.2 x 2.6 x 0.7 inches (L x W x D)
Rated power: 220 V / 230 VAC, 25 amps
Product Name: Household AC Contactor
Mounting type: 35mm DIN rail
Contact type: 1NO 1NC, 2 pole

7,99 €
07

Gebildet

Gebildet 2pcs JD1912 12V 40A 4-Pin SPST 12AWG Car Relay Wiring Harness Sockets with Built-in Diode for Cars, Trucks, Vans, Motorcycles, Boats

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8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Small size / low power consumption / high contact voltage / high sensitivity
Minimum operating voltage 8V, corresponding minimum operating current is 100mA; standard operating voltage 12V, corresponding standard operating current is 150mA.
Life expectancy electric: 100,000 operations, life expectancy mechanical: 10,000,000 operations
Integrated Diode: Each relay has a built-in diode that suppresses the induced voltage when switching and thus protects your electrical components from possible damage.
Contact material: Ag alloy / contact resistance: ≤ 100 MΩ

8,99 €
08

AYWHP

SSR-40DA Solid State Relay AYWHP SSR Relay Solid State Relay SSR 40DA Single-Phase Solid State Relay Input 3-32V DC Output 24-380V AC

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8.7

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

【Wide Compatibility】The input voltage range is 3-32V DC and the output voltage range is 24-380V AC, suitable for a variety of industry and household appliances.
High performance solid state relay: the solid state relay uses advanced semiconductor technology with stable performance, is suitable for high frequency switching scenarios and provides reliable temperature control and power management.
High load capacity: Supports load currents of up to 40A, can drive devices with high power and is widely used in industrial control, heating, cooling and other scenarios.
Easy to install: Equipped with standard DIN rail mounting holes and wiring clamps, it can be easily and quickly integrated into different control systems.
Durable shell design: the robust shell made of technical plastic has good heat resistance and insulation, ensuring long-term and reliable use.

6,99 €
09

Gebildet

Gebildet Pack of 3 12 V Fuse Relay Switch, 12 AWG Wiring Harness Set with Built-in Diode - 30A ATO/ATC Blade Fuse, 4-Pin SPST Automotive Electrical Relay

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8.5

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Wide application - Wide application, especially for car lights, fog lights, windscreen wipers, starters, fans, speakers, traction control systems, etc
Upgraded Version - Built-in fuse socket for car relay with built-in 30A blade fuse, no separate fuse holder required, saves space and money. Strong 12AWG cable for main contact
Neat mounting design - The interlocking design of the unique slot on each base edge, which allows all relays to be easily connected together, provides a clean and tidy installation
Integrated Diode: Each relay has a built-in diode that suppresses the induced voltage when switching and thus protects your electrical components from possible damage.
Good construction - 12 V DC (max. 14V DC) and 30A high switching capacity. Bosch Style 4-Pin SPST (Single Pole Single Throw) Relay The metal bracket on the electric relay makes installation easier

12,49 €
10

RAKUTE

RAKUTE SRD-05VDC-SL-C Relay 5-Pin Power Relay T73 5V DC Relay, 5 Pin Electrical Relay for Household Appliance Boards Pack of 12

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8.2

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Widely Used This 5V DC power relay is used in household appliances. Relays are widely used in remote control, telemetry, communication, automatic control, mechatronics and power electronics, and are one of the most important control components.
Safety of Protection Circuit When multiple currents pass through the relay at the same time, the relay can be used by converting the current, using the principle of small currents to control the large currents to achieve the automatic rectification, safety protection circuit and circuit conversion effect.
Multiple charging options: the circuit board power relays are highly compatible and can accept a variety of currents, e.g. B. 7A, 10A, 15A, and the maximum charging current can reach 15A.
High Quality The arduino relays are made of plastic and metal, specially treated to be extremely shock resistant and can withstand impacts up to 980 m/s for continuous and efficient operation.
Advantages: srd-05vdc-sl-c relays have a large number of contacts, no main or auxiliary contacts, no interruption device, small size, fast and accurate action, sensitive and reliable control, etc. They are commonly used in low voltage control systems.

9,49 €