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Best Industrial Relays - Buying Guide

Last Updated: 06/19/2019

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Bestselling Industrial Relays on Amazon

  1. Youngneer 5v Relay Board Raspberry Arduino Relay Module 1 Channel Opto-Isolated High or Low Level Trigger
  2. HiLetgo 2PCS 5V 1 Channel Relay Module with optocoupler Support High or Low Level Trigger
  3. ELEGOO 8 Channel DC 5V Relay Module with Optocoupler for Arduino UNO R3 MEGA 2560 1280 DSP ARM PIC A...
  4. Ogrmar SSR-25 DA 25A 3-32V DC / 24-380V AC Solid State Relay and Heat Sink
  5. SainSmart 16-Channel Relay Module
  6. AUSTOR 36 Pieces Double Sided PCB Board Prototype Kit, 5 Sizes Universal Printed Circuit Protoboard ...
  7. ELEGOO 4 Channel DC 5V Relay Module with Optocoupler for Arduino UNO R3 MEGA 2560 1280 DSP ARM PIC A...
  8. ASI PR005-1M Steel Slotted Din Rail (Pack of 10)
  9. Electronics-Salon 1PCS Dual SPST-NO 10Amp Power Relay Module.
  10. Glarks 40Pcs 8 Kinds of 2.54mm Breakaway PCB Board 40 Pin Male and Female Pin Header Connectors Kit ...

  #1

Youngneer 5v Relay Board Raspberry Arduino Relay Module 1 Channel Opto-Isolated High or Low Level Trigger

 Ean: 0675663224393   |    PartNumber: Youngneer-0005   |   Asin: B07M88JRFY

Specification:
Material: Circuit board
Control signal: TTL
Rated load: AC125~250V/10A, DC28~30V/10A
Max. switch voltage: 250VAC, 30V
Trigger Voltage: 0-1.5V (LOW); 3-5V (High)
Trigger Current: 5mA
Max. Current: 190mA
Size: 50mm * 26mm * 18.5mm (1.9 inch *1.02 inch * 0.72 inch )

Input Connection:
DC +: Positive power supply (VCC)
DC-: Connect power negative ( GND)
IN: Control the pick up of replay by low level or high level

Output Connection:
Left Connection: "NO" means "Normally Open"
Middle Connection: "COM" means "Common"
Right Connection: "NC" means "Normally Closed"

High and Low Level Trigger Effective
High level trigger when the jumper cable connecting "High" to Short Circuit;
Low level trigger when the jumper cable connecting "Low" to Short Circuit;

LED Indicator Light:
Power Indicator: Green
Indicator of Relay Status: Red

100% Satisfaction Guarantee: 12-Month Warranty; No satisfied, Free reason for return; Quality problem, please contact us, we will resend your FREE Replacements or make you FULL Refund.

Features

  • 1 Channel Relay Module - This Relay Board provides a single relay that can be controlled by any 5V digital output from your microcontroller.
  • Main Specification - Peak Load of NO Connector: AC125~250V/10A, DC28~30V/10A; Trigger Current: 5mA; 4pcs * 3.1 mm Fixed Bolt Hole
  • Adopted SMD Optocoupler Isolation - The isolation circuit prevent damages to I / O port by relay switch current.
  • Wide Application - These 5v relay board works well with Arduino/ ARM /PIC /AVR /MCU/Raspberry/CNC machine/ PS4 etc.
  • Humanization Design On Interfaces - All interfaces can be directly wired out through the terminals.
  • See more on Amazon...

Brand: Youngneer   |   Manufacturer: Youngneer

Package Dimensions: 1.34 x 4.33 x 7.17 inches (3.4 x 11.0 x 18.2 cm)

Amazon Price: $11.99 | as of 06/19/2019(10:14am pst)
Availibility: Usually ships in 24 hours
List Price: $19.99

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  #2

HiLetgo 2PCS 5V 1 Channel Relay Module with optocoupler Support High or Low Level Trigger

Model: 3-01-0340   |    Mpn: 3-01-0340   |    Ean: 0702082655948   |    PartNumber: 3-01-0340   |   Asin: B00LW15A4W

Module description:
1.The module Operating voltage 12V;
2.Fault-tolerant design, even if the control line is broken, the relay will not operate;
3.The power indicator (green), the relay status indicator (red);
4.Module size: 50mm*26mm*18.5mm (L*W*H).

Interface:
-Input
VCC: Relay power supply +
GND: Relay power supply -
IN: Signal trigger input (High or Low Level Signal, select via jumper)

-Output
NO: Relay normally open.
COM: Relay Common Pin
NC: Relay normally closed.

High or Low Level Trigger Select:
1. Use High Level Trigger
When IN input High Level Signal, the NO connect with COM
When IN input Low Level Signal, the NC connect with COM
2. Use Low Level Trigger
When IN input Low Level Signal, the NO connect with COM
When IN input High Level Signal, the NC connect with COM
3. High or Low Level Trigger Select
Jumper connect with L, Low Level Trigger
Jumper connect with H, High Level Trigger

Package Included
2PCS*5V 1 Channel Relay Module

Features

  • The module uses genuine quality relay, normally open interfaces , Maximum load: AC 250V/10A, DC 30V/10A.
  • Using SMD optocoupler isolation, strong driving capability, stable performance; trigger current 5mA.
  • Fault-tolerant design, even if the control line is broken, the relay will not move.
  • The interface design of human nature, all interfaces are available through a direct connection terminal leads, very convenient.
  • The Module can be set by jumper high or low trigger.
  • See more on Amazon...

Brand: HiLetgo   |   Manufacturer: HiLetgo®

Package Dimensions: 0.9 x 2.6 x 3.7 inches (2.3 x 6.6 x 9.4 cm)

Amazon Price: $5.79 | as of 06/19/2019(10:14am pst)
Availibility: Usually ships in 24 hours
List Price: $2.99

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  #3

ELEGOO 8 Channel DC 5V Relay Module with Optocoupler for Arduino UNO R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Raspberry Pi

Model: EL-SM-005   |    Mpn: 8 Channel Relay   |    Ean: 6690877073623   |    PartNumber: 8 Channel Relay   |   Asin: B01HCFJC0Y

Product Name : 8-Channel Relay Module;Output Channel : 8
Power Supply : 5V;Load Voltage : AC 250V 10A,DC 30V 10A
Total Size : 137mm x 56mm x 17mm/ 5.4" x 2.2" x 0.7" (L*W*H);
Mounted Hole Size : 3mm/ 0.12"
Mounted Hole Center Distance : 132 x 50mm/5.2" x 2"(L*W);
Material : Electric Part
Weight : 122g; Package Content : 1 x 8-Channel Relay Module

Features

  • 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
  • See more on Amazon...

Brand: ELEGOO   |   Manufacturer: ELEGOO

Item Dimensions: 0.98 x 3.15 x 6.1 inches (2.5 x 8.0 x 15.5 cm)   |   Package Dimensions: 0.7 x 2.5 x 5.5 inches (1.8 x 6.4 x 14.0 cm)

Amazon Price: $8.99 | as of 06/19/2019(10:14am pst)
Availibility: Usually ships in 24 hours
List Price: $19.99

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  #4

Ogrmar SSR-25 DA 25A 3-32V DC / 24-380V AC Solid State Relay and Heat Sink

Model: ACSSR-1   |    Mpn: ACSSR-1   |    Ean: 0614591703778   |    PartNumber: ACSSR-1   |   Asin: B074FT4VXB

Specification:
This is solid state relay SSR-25DA.
Model: SSR-25DA
Input voltage: 3-32V DC
Output voltage: 24-380V AC
Output current: 25A

Feature:
Low drive voltage and current
Unique shape and novel structure
High reliability, high efficiency and long lifespan
No electric spark, no noise and no contact
Fine electro magnetic interference, high sensitivity and fast switching speed
Especially suitable for corrosion, moisture, dust resistant and other harsh environments
Widely used in many automatic control systems

Features

  • Model: SSR-25 DA
  • Type: 25A Net Weight: 199g/7.1oz
  • Material: Aluminum, Electric Parts
  • Package Content: 1 x Solid State Relay include heat sink
  • Main Color: As Picture Shown
  • See more on Amazon...

Brand: Ogrmar   |   Manufacturer: Ogrmar

Package Dimensions: 2 x 2.8 x 3.2 inches (5.1 x 7.1 x 8.1 cm)

Amazon Price: $8.99 | as of 06/19/2019(10:14am pst)
Availibility: Usually ships in 24 hours
List Price: $8.99

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  #5

SainSmart 16-Channel Relay Module

Model: 101-70-103   |    Mpn: 101-70-103   |    Ean: 0796793392285   |    PartNumber: 101-70-103   |   Asin: B0057OC66U

This is a 12V 16-Channel Relay interface board. It is able to control various appliances, and other equipments with large current. It can be controlled directly by Micro-controller (Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic).Features:12V 16-Channel Relay interface board, and each one needs 15-20mA Driver Current;Equipped 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.

Features

  • 12V 16-Channel Relay interface board, and each one needs 15-20mA Driver Current
  • Equipped with high-current relay, AC250V 10A ; DC30V 12A
  • Standard interface that can be controlled directly by microcontroller (Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP433, TTL logic)
  • Indication LED's for Relay output status
  • See more on Amazon...

Brand: SainSmart   |   Manufacturer: SainStore Inc.

Item Dimensions: 1.19 x 5.7 x 8 inches (3.0 x 14.5 x 20.3 cm)   |   Package Dimensions: 1.3 x 4.6 x 8.1 inches (3.3 x 11.7 x 20.6 cm)

First Available: 2018-05-06

Amazon Price: $10.00 | as of 06/19/2019(10:14am pst)
Availibility: Usually ships in 24 hours
List Price: $14.99

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  #6

AUSTOR 36 Pieces Double Sided PCB Board Prototype Kit, 5 Sizes Universal Printed Circuit Protoboard with Free Box, for DIY Soldering and Electronic Project

 Ean: 0601263548669   |    PartNumber: AMA-17-549   |   Asin: B074X2GDH2


AUSTOR 36 Pieces Double Sided PCB Board Prototype Kit with Free Box

Features
36 Pieces in 5 different sizes
A good assortment to meet your design demands such as electronic experiments and DIY projects

Easy to use
Pre-tinned plated holes on the board make it very handy to solder components and sensors for your projects

Easy installation
4 Mounting holes at the corners of the board are very convenient for installing them together

Specifications
Dimension: 2x8/ 3x7/ 4x6/ 5x7/ 7x9 cm
Material: high quality glass fiber FR4
Thickness: about 1.6mm
Hole-pitch: 2.54 mm
Hole-diameter: 1 mm

Package include
2x8cm Prototype PCB universal board * 8
3x7cm Prototype PCB universal board * 10
4x6cm Prototype PCB universal board * 8
5x7cm Prototype PCB universal board * 8
7x9cm Prototype PCB universal board * 2
Free plastic box * 1

Product Warranty

Austor Direct Customer Service Team is dedicated to offering our valued customers a great and professional services - Timely email reply, Helpful solutions, Refund & Return Warranty.

All Austor products supply 45 days money-back & 18-month warranty. Any questions you have, please don't hesitate to contact us. We will get you back within 24hours.

Features

  • Package: 36 pieces double sided PCB prototype boards in 5 different sizes, a good assortment to meet your design demands such as electronic experiments and DIY projects
  • Easy to use: pre-tinned plated holes on the board make it very handy to solder components and sensors for your projects
  • Durable: made from high quality glass fiber FR4 material, with 1.6mm thickness makes it solid and sturdy
  • Easy installation: 4 mounting holes at the corners of the board are very convenient for installing them together
  • Bonus: come with a free plastic box for easy storage and taking out
  • See more on Amazon...

Brand: AUSTOR   |   Manufacturer: AUSTOR

Item Dimensions: 1.38 x 3.35 x 5.71 inches (3.5 x 8.5 x 14.5 cm)   |   Package Dimensions: 1.42 x 3.86 x 6.06 inches (3.6 x 9.8 x 15.4 cm)

Amazon Price: $11.99 | as of 06/19/2019(10:14am pst)
Availibility: Usually ships in 24 hours
List Price: $17.99

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  #7

ELEGOO 4 Channel DC 5V Relay Module with Optocoupler for Arduino UNO R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Raspberry Pi

Model: EL-SM-006   |    Mpn: EL-SM-006   |    Ean: 0746591610678   |    PartNumber: EL-SM-006   |   Asin: B01HEQF5HU

4-channel relay output modules, relay output contacts 250V 10A.
Input IN1, IN2, IN3, IN4, the signal line LOW effective.
VCC, GND power input, can relay a separate power supply relay power input of JD-VCC.
Uses:
1, support all MCU control.
2, the industrial sector;
3, PLC control;
4, smart home control;

Features

  • This relay module is 5V active low. Relay output maximum contact is AC250V 10A and DC30V 10A.
  • Standard interface can be directly connected with microcontrollers.
  • Working status indicator lights are conducive to the safe use
  • 4-channel relay interface board, which can be controlled directly by a wide range of microcontrollers such as Arduino, AVR, PIC, ARM, PLC, etc. It is also able to control various appliances and other equipments with large current.
  • Widely used for all MCU control, industrial sector, PLC control, smart home control.
  • See more on Amazon...

Brand: ELEGOO   |   Manufacturer: ELEGOO

Item Dimensions: 0.7 x 2.36 x 2.76 inches (1.8 x 6.0 x 7.0 cm)   |   Package Dimensions: 0.7 x 3.7 x 5 inches (1.8 x 9.4 x 12.7 cm)

Amazon Price: $7.99 | as of 06/19/2019(10:14am pst)
Availibility: Usually ships in 24 hours
List Price: $12.99

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  #8

ASI PR005-1M Steel Slotted Din Rail (Pack of 10)

Model: PR005-1M   |    Mpn: PR005-1M   |    Ean: 0813101020019   |    PartNumber: PR005-1M   |   Asin: B00MO817WQ

The ASI P005-1M is the industry standard slotted DIN rail used for mounting components, devices and equipment that have been designed to snap mount directly onto an industry standard DIN rail. The P005-1M has been conveniently cut to 1 meter in length and features the standard dimensions of 35mmx7.5mm making it very easy to handle and ship. Two meter and other styles of DIN rail are available upon request. The DIN rail is made of steel and is then plated with a RoHS compliant plating. It is slotted the entire length of the rail making it easy for easy placement of screws when mounting to a panel or piece of equipment. When using the ASI DIN rail cutter with this item you can cut it to any specific dimension that is required for your application (sold separately).

Features

  • 35x7.5mm Steel Slotted Standard DIN Rail, 1 meter long, 10 pack
  • Meets Industry standard IEC60715/T35, most popular DIN rail
  • RoHS Compliant
  • Slotted for easy installation
  • See more on Amazon...

Brand: Automation Systems Interconnect   |   Manufacturer: UPUN

Package Dimensions: 1.4 x 3.46 x 40.16 inches (3.6 x 8.8 x 102.0 cm)

Amazon Price: $44.21 | as of 06/19/2019(10:14am pst)
Availibility: Usually ships in 24 hours
List Price: $45.10

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  #9

Glarks 40Pcs 8 Kinds of 2.54mm Breakaway PCB Board 40 Pin Male and Female Pin Header Connectors Kit for Arduino Prototype Shield

Model: 4330582970   |    Mpn: GPH-8   |    Ean: 0713741478082   |    PartNumber: GPH-8   |   Asin: B01GY36RJY

100% Brand New High Quality Pin Header Connectors Assortment Kit All items are 40-pin, 2.54mm pitch Package Includes(40Pcs): [1]. 5Pcs x 40 Pin 2.54mm Single Row Male Header for Arduino Prototype Shield. [2]. 5Pcs x (40 x 2)Pin 2.54mm Double Row Male Header for Arduino Prototype Shield. [3]. 5Pcs x 40 Pin 2.54mm Pitch Single Row Right Angle PCB Pin Headers. [4]. 5Pcs x (40 x 2)Pin 2.54mm Pitch Double Row Right Angle PCB Pin Headers. [5]. 5Pcs x 10 Pcs 40Pin 2.54mm Pitch Straight Single Row PCB Female Pin Headers. [6].5Pcs x (40 x 2)Pin 2.54mm Pitch Straight Double Row PCB Female Pin Headers. [7]. 5Pcs x 40P 2.54mm Pitch Male Round Pin Header Connector. [8]. 5Pcs x 40P 2.54mm Pitch Female Round Pin Header Connector. Total: 40pcs

Features

  • 100% Brand New High Quality Pin Header Connectors Assortment Kit
  • Package Quantity: 40pcs (8 kinds,Each 5pcs)
  • All Items Are 40-Pins, 2.54mm Pitch
  • See more on Amazon...

Brand: Glarks   |   Manufacturer: Glarks

Package Dimensions: 1.3 x 3.7 x 5.3 inches (3.3 x 9.4 x 13.5 cm)

Amazon Price: $9.99 | as of 06/19/2019(10:14am pst)
Availibility: Usually ships in 24 hours
List Price: $9.99

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  #10

MCIGICM 4 Channel DC 5V Relay Module for Arduino UNO R3 DSP ARM PIC AVR STM32 Raspberry Pi with Optocoupler Low Level Trigger Expansion Board

 Ean: 0727040387099   |    PartNumber: 4 way-1   |   Asin: B07PLQW323

MCIGICM 4 Channel DC 5V Relay Module

Specification:
This is a 5V 4-Channel Relay interface board, Be able to control various appliances, and other equipments with large current.
It can be controlled directly by Microcontroller(Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic).

Package include:
* 1 x 4 Channel Relay Module

Features

  • 5V 4-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
  • See more on Amazon...

Brand: MCIGICM   |   Manufacturer: MCIGICM

Package Dimensions: 0.9 x 2.7 x 3.5 inches (2.3 x 6.9 x 8.9 cm)

Amazon Price: $5.99 | as of 06/19/2019(10:14am pst)
Availibility: Usually ships in 24 hours
List Price: $5.99

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  #11

Uxcell a15062300ux0219 IEC255 DC 12V Coil 8Pin DPDT Electromagnetic Power Relay with Socket Base

Model: a15062300ux0219   |    Mpn: a15062300ux0219   |    Ean: 0712662527848   |    PartNumber: a15062300ux0219   |   Asin: B017LB4AZ6

This general relay designed with a terminal socket, plays the role as a protector or a circuit switch. It can protect your electric equipment's very well. 8 pin electrical relay with socket is for general purpose. The coil voltage is DC 12V, us buyers should pay attention to it before ordering.

Features

  • Country of Manufacture: CHINA; Material: Plastic,Electric Parts; Net Weight: 59g
  • Package Content: 1 x Power Relay w Socket; Model: IEC255; Main Color: Black
  • Action Type: DPDT; Coil Voltage: DC 12V; Contact Capacity: 5A 150VAC 5A 28VDC
  • Pin Quantity: 8; Mounting Rail Type: 35mm DIN Rail
  • Overall Size(Approx.): 75 x 22 x 64mm/3 x 0.87 x 2.52(L*W*H); Product Name: Power Relay w Socket
  • See more on Amazon...

Brand: uxcell   |   Manufacturer: Uxcell

Item Dimensions: 1.18 x 3.94 x 5.51 inches (3.0 x 10.0 x 14.0 cm)   |   Package Dimensions: 1.5 x 5 x 7 inches (3.8 x 12.7 x 17.8 cm)

Amazon Price: $8.41 | as of 06/19/2019(10:14am pst)
Availibility: Usually ships in 24 hours
List Price: $8.85 | Used Price: $6.08

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  #12

INKBIRD 40A SSR Solid State Relay SSR-40DA 3-32V DC tO 24-380V AC

Model: ESSR-40DAC   |    Mpn: ITC-100-LW   |    Ean: 0603255429581   |    PartNumber: ITC-100-LW   |   Asin: B00HV974KC


Note: A heatsink must be used or it will get burned out.

For sale is a 40A Solid State Relay (SSR). It's good for heater, oven, or other appliance up to 3500Watt power consumption. Ideal for PID temperature controller.

Specification
Input: 3V-32V DC
Control: 24V~380V AC
Current: 40A

Packge:
1 x solid state relay 40A

Features

  • Input : DC 3-32V;
  • Output : AC 24-380V
  • Solid State Relay
  • Type : SSR-40DA
  • 1 x Solid State Relay
  • See more on Amazon...

Brand: Inkbird   |   Manufacturer: Lerway Tech

Package Dimensions: 0.9 x 2.9 x 3.1 inches (2.3 x 7.4 x 7.9 cm)

Amazon Price: $11.99 | as of 06/19/2019(10:14am pst)
Availibility: Usually ships in 24 hours
List Price: $11.99

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  #13

SainSmart 4-Channel Relay Module

Model: 101-70-101   |    Mpn: 101-70-101   |    Ean: 6952131721313   |    PartNumber: 101-70-101   |   Asin: B0057OC5O8

This is a 5V 4-Channel Relay interface board, Be able to control various appliances, and other equipments with large current. It can be controlled directly by Microcontroller (Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic).

Features

  • 5V 4-Channel Relay interface board, and each one needs 15-20mA Driver Current
  • Equipped with high-current relay, AC250V 10A ; DC30V 10A
  • Standard interface that can be controlled directly by microcontroller (Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP431, TTL logic)
  • Indication LED's for Relay output status
  • See more on Amazon...

Brand: SainSmart   |   Manufacturer: SainStore Inc.

Item Dimensions: 1.19 x 3.2 x 4.5 inches (3.0 x 8.1 x 11.4 cm)   |   Package Dimensions: 1.61 x 2.76 x 5.43 inches (4.1 x 7.0 x 13.8 cm)

Amazon Price: $9.99 | as of 06/19/2019(10:14am pst)
Availibility: Usually ships in 24 hours
List Price: $10.00 | Used Price: $6.76

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  #14

Teenitor 24 PCS Prototype Board,4 Sizes Top Quality Double Side Prototyping Board PCB Universal Printed Circuit Board Proto Board for Soldering Practice Boards Ardunio Boards

 Ean: 0702679552513   |    PartNumber: TNT248   |   Asin: B01IONQQ3Y

Feature: Dimension: 5x7 4x6 3x7 2x8 cm Material: double Side Copper PCB Hole Dia: about 1mm Thickness: 1.6mm Hole pitch: standard 2.54mm Quantity: 24pcs For point to point DIY soldering Package included: 6pcs 5X7 prototype pcb universal board 6pcs 4X6 prototype pcb universal board 6pcs 3X7 prototype pcb universal board 6pcs 2X8 prototype pcb universal board

Features

  • Quality PCB prototype board: high quality glass fiber, Sturdy material. Well etched and well drilled. The holes are centered well and all pads are nicely tinned, when you stack the boards up you can see clear through. Tinned plated finish prevents oxidation, not easy to deform
  • Quantity& sizes: 6 pieces 4X6 cm prototype PCB universal board; 6 pieces 2X8 cm prototype PCB universal board; 6 pieces 5X7 cm prototype PCB universal board; 6 pieces 3X7 cm prototype PCB universal board;totall 24pcs PCB boards
  • Double-Side prototype PCB board are printed with letter-indicators representing each column of holes on one edge, marked for convenience for you to use, both sides are workable (solder pads, tinned holes)
  • Easy to solder: All the circuit boards are double sided and thick. Pre-tinned plated holes on the board make it very handy to solder components and sensors for your projects .also easy to cut with a rotary tool. suitable for less than expert soldering skills
  • Great value for people working with Arduino or other hobbyist electronic projects. widely used among electronic experiments and point-to-point DIY soldering projects
  • See more on Amazon...

Brand: Teenitor   |   Manufacturer: Teenitor

Package Dimensions: 1 x 4 x 4.2 inches (2.5 x 10.2 x 10.7 cm)

Amazon Price: $8.99 | as of 06/19/2019(10:14am pst)
Availibility: Usually ships in 24 hours
List Price: $8.99

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  #15

Icstation 3V 1 Channel Relay Power Switch Module with Optocoupler High Level Trigger for ESP8266 Development Board (Pack of 5)

Model: 3V 1 channel Relay Module   |    Mpn: 356705   |    PartNumber: 356705   |   Asin: B01M0E6SQM


Specifications:
Relay Module: SRD-DC03V-SL-C
Channel: 1 channel
Working Voltage: DC 3-3.3V
Compatible Load: 10A 250VAC / 10A 30VDC
Single Socket Length:7.5mm
Response Time:

Features

  • Please ask seller a question if you have any question about product or shipping, at this page - https://www.amazon.com/hz/help/contact/A243HB0NZWY05K
  • 1 channel 3V/3.3V power relay mdoule support photocoupler isolation control. Support dual power supply input ensure high anti-iinterference ability
  • Fast response time less than 20ms and longlife time up to 100,000 times snap action
  • On-board signal output indicator, wire terminal and installing holescompatible with 10A 250VAC and 10A 30VDC load. Module Size: 70mmX17mmX20mm/2.76X0.70X0.79inch(L*W*H)
  • Tips: when the jumper cap connected, the relay working power supply will also as the signal power supply, when not connected, the relay and signal power supply is isolated.
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Brand: IS   |   Manufacturer: Icstation

Item Dimensions: 0.79 x 0.7 x 2.76 inches (2.0 x 1.8 x 7.0 cm)   |   Package Dimensions: 1.18 x 5 x 7.01 inches (3.0 x 12.7 x 17.8 cm)

Amazon Price: $11.99 | as of 06/19/2019(10:14am pst)
Availibility: Usually ships in 1-2 business days
List Price: $18.99

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  #16

HiLetgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High or Low Level Trigger

Model: 3-01-0341   |    Mpn: 3-01-0341   |    Ean: 0702082655955   |    PartNumber: 3-01-0341   |   Asin: B00LW15D1M

Module description:
Module Size: 50mm * 26mm * 18.5mm (L * W * H)
With four fixed bolt holes, holes 3.1mm, spacing 44.5mm * 20.5mm
Power Indicator (green), Relay Status Indicator (red)

Interface:
Input:
VCC: Relay power supply +
GND: Relay power supply -
IN: Signal trigger input (High or Low Level Signal, select via jumper)

Output:
NO: Relay normally open.
COM: Relay Common Pin
NC: Relay normally closed.

Package Included
1*12V 1 Channel Relay Module With Optocoupler Isolation

How to provide an auto shut-down for Prusa i3 Mk2S?
1. Wired it in parallel with the power switch.
2. Use the hotend fan power as the trigger.
3. When you run a long print ,start the printer and when the hotend fan turns on (at about 50C) you can turn off the power switch.
4.The printer continues to run until the print is finished and the hotend cools below 50C. At that point the relay is no longer powered and the printer shuts itself off.

Features

  • Module uses genuine high quality relay, normally open interface maximum load: AC 250V / 10A, DC 30V / 10A
  • Using optocoupler chip isolation, strong drive capability, stable performance; trigger current 5mA
  • Module can be set by jumper high or low trigger
  • Fault-tolerant design, even if the control line is broken, the relay will not move
  • The interface design of human nature, all interfaces are available through a direct connection terminal leads, very convenient
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Brand: HiLetgo   |   Manufacturer: HiLetgo

Package Dimensions: 0.4 x 1 x 2 inches (1.0 x 2.5 x 5.1 cm)

Amazon Price: $4.99 | as of 06/19/2019(10:14am pst)
Availibility: Usually ships in 24 hours
List Price: $4.99 | Used Price: $4.64

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  #17

MEAN WELL DR-120-24 AC to DC DIN-Rail Power Supply, 24V, 5 Amp, 120W, 1.5"

Model: 212266   |    Mpn: 212266   |    Ean: 0000010148983   |    PartNumber: 212266   |   Asin: B005T6OX62

The MEAN WELL 120W single output industrial DIN rail power supply weighs 1.4 lbs and measures at 2.6" x 3.9" x 4.9". the devices input current at full load is 2.8a (115V)/1.7a (230V). setup, Rise time is 70Ms/115VAC at full load. Efficiency is 84 percent. Overload is 105 150 percent rated output power. Overload voltage is 29 33V. Overload temperature is 90 Degrees Celsius. Protection Type: constant current limiting, Recovers automatically after fault condition is removed.

Features

  • POWER - The DR-120 specs out with 24 volts at 5 amps and has a universal AC input range; Gone through 100% full load burn-in tests; Input voltage 88-132VAC / 176-264 VAC at 47-63Hz, switch-selectable
  • Easy install - the door-120 series power supply was designed to easily install on din rail ts-35/7.5 or 15 rails to provide for an efficient and organized work space
  • Protections - the power supply protects against short-circuits, overloading, over-voltage, and over temperature ensuring you and your place of work remain safe and recovers automatically after failure
  • Industrial - this power supply is designed to work with the most rigorous of machinery and adaptations including heavy machinery like cnc machines
  • MONEY BACK GUARANTEE - If you are not 100% satisfied with your power supply just return the device and we will refund your purchase; or you can take advantage of the unique MEAN WELL 3-year warranty
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Brand: MEAN WELL   |   Manufacturer: MEAN WELL

Item Dimensions: 3.94 x 2.58 x 4.93 inches (10.0 x 6.6 x 12.5 cm)   |   Package Dimensions: 3.5 x 5.3 x 5.9 inches (8.9 x 13.5 x 15.0 cm)

Amazon Price: $31.57 | as of 06/19/2019(10:14am pst)
Availibility: Usually ships in 24 hours
List Price: $46.95

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  #18

50 Pcs Double Sided PCB Board Prototype Kit Soldering 5 Sizes, Universal Printed Circuit Board for DIY and Electronic Project

 Ean: 0713869997397   |    PartNumber: BBd-50P   |   Asin: B079DN31SW

Product Description:
Dimension: 2x8/ 3x7/ 4x6/ 5x7/6x8CM
Thickness: about 1.6mm
Material: Great quality of glass fiber FR4
Color: green basic, silver tone
Package List
- 20pcs 2*8CM prototype PCB universal board

- 12pcs 3*7CM prototype PCB universal board

- 10pcs 4*6CM prototype PCB universal board

- 6pcs 5*7CM prototype PCB universal board
- 2pcs 6*8CM prototype PCB universal board

Features

  • This product contains five different sizes of circuit boards 2*8CM,3*7CM,4*6CM,5*7CM,6*8CM,You also can cut these pc boards into any shape any size, it can meet all your needs.
  • The boards are all basic green body with soldered holes. Good plating around the holes and a nice variety of sizes for the price.
  • Package comes with totally 50 pcs prototype circuit blank breadboards that is enough for various electronic and soldering project.
  • The double side of the original circuit board is very strong and durable, and a tin plating process makes the welding component easier.
  • Friendly and fast customer service, full refund guarantee for two months and one year warranty. If you have any problem of our product, please feel free to contact us. We will provide professional pre-sales and after-sales service.
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Brand: SINGARE   |   Manufacturer: SINGARE

Package Dimensions: 0.94 x 5.63 x 6.57 inches (2.4 x 14.3 x 16.7 cm)

Amazon Price: $12.99 | as of 06/19/2019(10:14am pst)
Availibility: Usually ships in 24 hours
List Price: $12.99

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  #19

4 pcs DC 5V 1 Channel Relay Module Board Shield High/low Level Trigger with Optocoupler for Arduino

 Ean: 6941595311734   |    PartNumber: WJ-00010   |   Asin: B079FJSYGY

Module Description:
The module uses genuine quality relay, normally open interfaces
Maximum load: AC 250V/10A, DC 30V/10A
SMD optocoupler isolation, strong driving ability, stable performance; trigger current 5mA
The module voltage 5V
The module can be set high or low triggered by jumper
Fault-tolerant design, even if the control line is broken, the relay will not operate
Power indicator (green), relay state indicator (red)
Interface design user-friendly, all interfaces are available through the wiring terminal direct connection leads, very convenient
Module size: 50mm * 26mm * 18.5mm (L * W * H)
4 mounting bolts holes, hole 3.1mm, 44.5mm * 20.5mm spacing
Module interface
DC +: positive power supply (voltage by relay requirements, 5V.9V.12V and 24V selection)
DC-: negative one
IN: can be high or low level control relay
Relay outputs
NO: normally open relay interfaces, relay before hanging, pull back and COM short-circuited
COM: Relay Common Interface
NC: normally closed relay interfaces, relay and COM short-circuited before, after the pull-vacan

Features

  • The module uses genuine quality relay, normally open interfaces
  • Maximum load: AC 250V/10A, DC 30V/10A
  • SMD optocoupler isolation, strong driving ability, stable performance; trigger current 5mA
  • The module voltage 5V
  • The module can be set high or low triggered by jumper
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Brand: CHENBO   |   Manufacturer: CHENBO

Package Dimensions: 1.1 x 2.6 x 4.9 inches (2.8 x 6.6 x 12.4 cm)

Amazon Price: $8.99 | as of 06/19/2019(10:14am pst)
Availibility: Usually ships in 24 hours
List Price: $8.99

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