8 channel relay board

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We’ve spent hundreds of hours researching and comparing 8 channel relay board of all specifications to find the best one for any need (or budget). Here are the results.

The Best 8 channel relay board of 2020 – Top Rated & Reviewed

2,005 Reviews Scanned

Rank No. #1
SainSmart 8-Channel 5V Solid State Relay Module Board for Arduino Uno Duemilanove MEGA2560 MEGA1280 ARM DSP PIC
  • Has been assembled, and electrical test passed.
  • Led indicator for each relay.
  • FR-4 Fiber glass PCB (Double Layer); Size: 155 x 55 x 24 mm (approximately 6.1 x 2.17 x 0.95 inch)
  • Input control signal voltage: 0V - 0.5V Low stage (SSR is OFF), 0.5V - 2.5V (unknown state), 2.5V - 20V High state (SSR is ON); SSR Output (each channel); Load voltage range: 75 to 264VAC (50/60Hz); Load current: 0.1 to 2 AMP
  • Standard interface that can be controlled directly by microcontroller (Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic)
Rank No. #2
SainSmart 8-Channel Relay Module
  • 5V 8-Channel Relay interface board, and each one needs 15-20mA Driver Current
  • Equipped with high-current relay, AC250V 10A ; DC30V 11A
  • Standard interface that can be controlled directly by microcontroller (Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP432, TTL logic)
  • Indication LED's for Relay output status
Rank No. #3
ELEGOO 8 Channel DC 5V Relay Module with Optocoupler Compatible with Arduino UNO R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Raspberry Pi
  • 5V 8-Channel Relay interface board, each one needs 70mA Driver Current; 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.
  • With power indicator,8-way road has a status indicator. With a relay coil to absorb the diode protection.
  • Standard interface that can be controlled directly by microcontroller (Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic)
  • The 8 channels are optically isolated, safe, reliable, anti-interference. Widely used for all MCU control, industrial sector, PLC control, smart home control。For a complete data sheet for this relay board, please download it from: http://dwz.win/UhW
Rank No. #4
5V Relay Module with Optocoupler Isolation Support High and Low Level Trigger Relay Red Board (8 Channel 5V Relay)
  • High Quality Module - the relay module uses genuine high-quality relays. The maximum load of the frequently opened interface is: AC 250v/10a, DC 30v/10a.
  • Adopts SMD Optocoupler Isolation - Use two sets of fully isolated power supply system power, to ensure that the relay in the switch will have an impact on the signal circuit and can be freely switched to high level drive mode or low level drive mode. Trigger Current is 5mA.
  • "High", "Low" Level Controllable - With a jumper cap, you can choose a low level control or a high level control, allowing the relay module to adapt to more occasions.
  • It Has a Fault-Tolerant Design - Even if the control line is broken, the relay won't actuation.
  • User-friendly Interface Design - All interfaces can be directly connected through the terminal block, which is very convenient
SaleRank No. #5
Xiuxin 2pcs 5V 8 Channel Relay Module Board for Arduino PIC AVR DSP ARM
  • 2pcs/lot 8 Channel relay module board, Working voltage: 5V
  • This board is for Arduino PIC AVR DSP ARM
  • Support all single-chip microcomputer control,Industrial circle,PLC controller,Household intelligent control
  • Relay output maximum contact is AC250V 10A and DC30V 10A
  • Widely used for all MCU control, industrial sector, PLC control, smart home control.
Rank No. #6
JBtek 8 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM
  • 5V 8-Channel Relay interface board, and each one needs 15-20mA Driver Current
  • Equiped with high-current relay, AC250V 10A ; DC30V 10A
  • Standard interface that can be controlled directly by microcontroller (Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic)
  • Indication LED's for Relay output status
Rank No. #7
SUBALIGU 2PCS 8 Channel DC 5V DC 230V Relay Module Control Board with Optocoupler Compatible with A-rduino UNO R3 MEGA 2560 1280 DSP ARM PIC AVR TTL Logic STM32 Raspberry Pi
  • DC 5V 8-Channel Relay interface board, each one needs 15-20mA Driver Current.
  • Equiped with high-current relay, AC250V 10A ; DC30V 10A.
  • Standard interface that can be controlled directly by microcontroller (A-rduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic).
  • With power indicator,8-way road has a status indicator. With a relay coil to absorb the diode protection.
  • Indication LED's for Relay output status. Widely used for all MCU control, industrial sector, PLC control, smart home control.
Rank No. #8
SunFounder 5V 8 Channel Relay Shield Module for Arduino R3 2560 1280 ARM PIC AVR STM32 Raspberry Pi 3, 2 Model B & B+
  • 5V 8-Channel Relay interface board, and each one needs 15-20mA Driver Current
  • Equiped with high-current relay, AC250V 10A ; DC30V 10A
  • Standard interface that can be controlled directly by microcontroller (for Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic)
  • Indication LED’s for Relay output status
  • Size:14cm x 5.7cm x 1.7cm (5.51inch x2.24inch x 0.67inch)
Rank No. #9
Electronics-Salon DIN Rail Mount DC5V 8 Channels DC-AC 2Amp G3MB-202P Solid State Relay SSR Module Board.
  • Input control voltage DC 5V, Current 20mA for each channel. LED indicator for SSR each channel action.
  • Rated output voltage: AC 100 ~ 240V(50/60Hz). Applicable load current: 0.1 ~ 2Amp(each channel).
  • Pin Jumper option for control mode configurations in common positive or common negative. SSR output series 3Amp fuse to protect your equipment. G3MB-202P 5VDC SSR, Isolation: Phototriac. Zero cross: Yes. Rated output load: 2A at 100 to 240VAC (50/60Hz). Load type: General purpose.
  • DINKLE Fireproof nylon material DIN rail mount carrier (not China low quality carrier), can support width 35mm / 32mm / 15mm rail, and the carrier can be taken apart for panel mount use.
  • High quality terminal blocks. Wire range: 24 ~ 12 AWG. Strip length: 7mm. Screws - M2.5 steel, Cr3+ Zn plated. Pin header and Cage - Brass.
Rank No. #10
Tulead Relay Module 8 Channel Relay Board 5V AVR/51/PIC
  • 🔷Support all microcontroller control,industrial field,PLC control,home intelligent control
  • 🔷Relays can directly control various devices and loads
  • 🔷Including 8 normally opening and 8 normally closed contacts
  • 🔷Suitable for various platforms, such as 51/AVR/ARM
  • 🔷Package Content:1 x Relay Module

Top Rated 8 channel relay board to Buy Now

 

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How to Choose the Best 8 channel relay board (with Price and Reviews)

Although most 8 channel relay board are similar, there are several differences worth noting. Here are nine criteria to consider when choosing an 8 channel relay board:

(1) 8 channel relay board Price and Reviews

Although price is not the only factor to consider, it is nevertheless extremely important. The price of an 8 channel relay board should be in line with its value. You can compare 8 channel relay board reviews to make sure you are getting a fair price. This is easy to do on Amazon.

(2) Demand

The demand for a particular 8 channel relay board is a good indication of its ability to perform the functions for which it was designed. If a product has been around for a while and still has a high demand, it is likely a good product.

(3) Material

8 channel relay board materials differ from manufacturer to manufacturer. Consider where and how you will be using your 8 channel relay board to determine if one material would be better than another.

(4) Size

Like most products, 8 channel relay boards come in various sizes. Do you need a large 8 channel relay boardor a small one? Think about where you will use your 8 channel relay board in order to determine the best size. You can also read the customer reviews on Amazon to see what others are saying about the size of the unit they purchased.

(5) Color

8 channel relay boards also come in a variety of colors. Do you need a particular color? You should also consider whether the color of your 8 channel relay board would have any effect on the efficiency of its operation.

(6) Durability

The durability of an 8 channel relay board will be contingent on the materials used as well as the quality of the manufacturing process. Additionally, the type of 8 channel relay board you purchase may affect its durability.

(7) Storage

Will you need to store your 8 channel relay board? If so, you should consider the size and weight of the 8 channel relay boardto make sure that it can be stored properly. Also, give some consideration to the type of climate in which your 8 channel relay board will be stored.

(8) Customer Ratings

Customer rating is one of the best criteria for choosing an 8 channel relay board. It is hard to know exactly how an 8 channel relay board will perform until you get it home and try it out.

(9) Warranty

Make sure the 8 channel relay board you are considering is backed by a good manufacturer’s warranty. If it isn’t, you might be better off with another ones.

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