Best IO Modules (April 2024) - Rated by CherryPicks' Experts

At a Glance: Our Top Picks

Top 1

GRAYHILL 70G-IDC5 Relays io-modules 70G Series 50 mA 32 V Polarized Through H...

9.9
CPR Score
Top 2

Electronics-Salon Arduino Screw Terminal Block Breakout Module, for Arduino U...

9.7
CPR Score
Top 3

Screw Terminal Block Breakout Shield Module for Arduino MEGA-2560 R3

9.7
CPR Score
Tips


Our team has recommended top 29 IO Modules to make your shopping easy after considering different features about IO Modules reviews of brands, including SIEMENS, Morris Products, OONO, HCDC, Electronics-Salon, Hubbell Heaters, CZH-LABS, LOLOVI, Crouzet, Grayhill, eletechsup, ZOUOOU, Lanlily, sikinta, Opto 22 And RADWELL VERIFIED SUBSTITUTE. And after researching, GRAYHILL 70G-IDC5 Relays io-modules 70G Series ... is a highly recommended IO Modules item.

* Cherrypicksreviews.com is reader-supported, Our editor review, and recommend the best products based on extensive data analysis, if you click on the product links, we may earn a commission through qualifying products purchased.

The Best IO Modules Rated by CherryPicks

Market Overview
IO Modules Reviewed
  • Reviews Analyzed: 629 Items
  • CPR Avg. Rating: 8.5 / 10
29 Products Evaluated
  • Highest Price: $3,000.00
  • Lowest Price: $11.78
  • Avg. Price: $267.85
Price Disclaimer

Top 29 IO Modules on Amazon (Verified You can Buy)

Top 1

GRAYHILL 70G-IDC5 Relays io-modules 70G Series 50 mA 32 V Polarized Through Hole I/O Module - 1 item(s)

Grayhill
70G-IDC5
0.0006 pounds

Ratings for Grayhill (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
DataAlchemy -
Data Alchemy -

Features

TypeIOModules: DC Input
InputCurrent-Max: 18 mA
Show More
Top 2

Electronics-Salon Arduino Screw Terminal Block Breakout Module, for Arduino UNO R3.

Electronics-Salon
MD-D1229-1

Ratings for Electronics-Salon (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Xiken -

Features

Terminal Block Breakout Module - for Arduino UNO R3. the item has been soldered and assembled.
Terminal block pitch 3.5mm/0.138", wire size range 26AWG to 16AWG, strip length 5mm, screw M2 steel, pin header and cage copper.
Show More
Top 3

Screw Terminal Block Breakout Shield Module for Arduino MEGA-2560 R3

HCDC
HD025

Ratings for HCDC (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Xiken -

Features

Terminal Block Breakout Shield Module - for Arduino MEGA-2560 R3. the item has been soldered and assembled.
Terminal block pitch 3.5mm/0.138", wire size range 26AWG to 16AWG, strip length 5mm, screw M2 steel, pin header and cage copper.
Show More
Top 4

Electronics-Salon Pi Screw Terminal Block Breakout Module, for Raspberry Pi.

Electronics-Salon
MD-D1144-1

Ratings for Electronics-Salon (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Electronics-Salon. -

Features

Pi Terminal Block Breakout Module - for Raspberry Pi.
The item has been soldered and assembled, with mounting screws, standoffs and labels.
Show More
Top 5

Siemens 6ED1052-1MD08-0BA0 LOGO! 12/24RCE, logic module, disp PS/I/O: 12/24VDC/relay, 8 DI (4AI)/4DO, memory 400 blocks, modular expandable, Ethernet

SIEMENS
6ED1052-1MD08-0BA0
1.9685 x 3.937 x 4.7244 Inches
0.59 Pounds

Ratings for SIEMENS (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
ToyzzStore -
Top 6

RPi 3.3V to 5V 26 I/O Bidirectional Voltage-Level Shifter Module for Raspberry Pi, Logic Level Converter

OONO
D-1433

Ratings for OONO (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Electronics-Salon. -

Features

The module can support Raspberry Pi A+ 3A+ B+ 2B 3B 3B+ 4B (of course, Zero and Zero-W can also be supported, but only two screw holes can be fixed).
Support RPi I/O 26 ports 3.3V to 5V bidirectional logic level conversion(input or output). But not include ID_SC and ID_SD ports(since ID_SC and ID_SD are used to identify HAT modules, these two ports are not connected to the 5V interface).
Show More
Top 7

ZYM119 TCP Ethernet 8 Channel Output Data Acquisition IO Module, M160T,for Home Automation Circuit Board

ZOUOOU
0.1102 Pounds

Ratings for ZOUOOU (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
QUANKABAIHUO -

Features

Reliable and suitable for a wide range of uses.
High conversion efficiency, simple regulating operation.
Show More
Top 8

1769-IQ16 Compact I/O Input Module Sealed in Box with 1 Year Warranty

Lanlily
1769-IQ16
2.0 Kilograms

Ratings for Lanlily (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
lanlily -

Features

Model:1769-IQ16
Type:Compact I/O Input Module
Show More
Top 9

1769-OA16 Compact Ac I/o Output Module in Stock New in Box 1 Year Warranty

sikinta
1769-OA16

Ratings for sikinta (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
lanlily -
SIKINTA -
Top 10

Electronics-Salon DIN Rail Mount Carrier, for 110mm x 72mm PCB, Housing, Bracket.

Electronics-Salon
CASE-044 Series

Ratings for Electronics-Salon (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Electronics-Salon. -

Features

Taiwan DINKLE fireproof nylon material DIN rail mount carrier(not China low quality carrier), can support width 35mm, 32mm and 15mm rail.
Matching PCB size: 110mm x 72mm
Show More
Top 11

Opto 22 G4PB8 G4 8 Channel I/O Module Rack

Opto 22
G4PB8
8.0 x 5.25 x 4.38 Inches
0.0006 Pounds

Ratings for Opto 22 (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Requires minimum panel space
Built-in fuse tester
Show More
Top 12

CZH-LABS Screw Terminal Block Breakout Module Board for Arduino MKR.

CZH-LABS
MD-D1299-1

Ratings for CZH-LABS (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Electronics-Salon. -

Features

Screw Terminal Block Breakout Board for Arduino MKR.
With the breakout board, you can easily extend Arduino MKR projects to industrial control applications.
Show More
Top 13

Electronics-Salon DIN Rail Mount Pluggable 8x3 Position 10A / 300V Screw Terminal Block Distribution Module. (Side Wire Connects)

Electronics-Salon
D-1233 series

Ratings for Electronics-Salon (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Electronics-Salon. -

Features

DIN Rail Mount Pluggable 8x3 Position 10A / 300V Screw Terminal Block Distribution Module.
Input terminal: Screw terminal block, pitch 5.0mm/0.197", strip length 7mm, screws - M2.5, steel, Cr3+ Zn plated. pin header and cage - brass.
Show More
Top 14

GORDOS IAC-5 90/140VAC Input, 5VDC, 60HZ, I/O Module, 43.2MMLX15.2MMWX31.8MMH, 12MA

Crouzet
IAC5
2.0 x 2.0 x 1.0 Inches
0.06 Pounds

Ratings for Crouzet (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Mara Industrial -
IndustAutoCo -
Top 15

GRAYHILL 70M-IAC5 I/O Module

Grayhill

Ratings for Grayhill (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Data Alchemy -
VoyageSupply -

Features

Price For: Each
Top 16

Electronics-Salon DIN Rail Mount 4 DPDT Signal Relay Interface Module, DC 24V Version.

Electronics-Salon

Ratings for Electronics-Salon (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Electronics-Salon. -

Features

4 DPDT signal relay module. TAKAMISAWA RY24W-K high quality relays, switch contact material - gold overlay silver-palladium.
Darlington transistor circuits drive relay coil, LED indicator for each relay channel.
Show More
Top 17

Hubbell Heaters TD1000 Digital Display Module

Hubbell Heaters
TD1000
6.0 x 3.0 x 2.0 Inches
0.32 Pounds

Ratings for Hubbell Heaters (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
Commercial Kitchen Direct -

Features

Genuine oem replacement part
Hubbell is committed to providing high quality food service industry products
Show More
Top 18

LOLOVI BBR LAN Ethernet 2 Way Relay Board Delay Switch TCP/UDP Controller Module Web Server Great Value

LOLOVI

Ratings for LOLOVI (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
kujmef -
newesoutorry -
NABIAN -
Top 19

Electronics-Salon AC/DC 24V Slim DIN Rail Mount 5Amp SPST-NO Power Relay Interface Module, PA1a-24V.

Electronics-Salon
MD-D1237 to D1243 Series

Ratings for Electronics-Salon (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Electronics-Salon. -

Features

Support AC and DC control signal, Relay action LED indicator, relay coil protection by means of a freewheeling diode.
Panasonic PA1a SPST-NO 5Amp power relay. Original Panasonic PA1a-PS pluggable socket for support replacement relay, and with removal key.
Show More
Top 20

Opto 22 SNAP-PAC-RCK16 - SNAP PAC 16-Module Mounting Rack

Opto 22
SNAP-PAC-RCK16
0.8268 x 0.2362 x 0.1181 Inches
1.25 Pounds

Ratings for Opto 22 (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
IPA, Factory Warranty -
Online Components - com -
Doja Online Sales -

Features

Secure mounting for SNAP I/O modules plus a SNAP brain or on-the-rack SNAP PAC controller
Compatible with all SNAP PAC brains and R-series controllers, including Wired+Wireless models
Show More
Top 21

1769-OA16 Compact I/O 16 Point Output Module 1769OA16 1 Year Warranty

Lanlily
1769-OA16

Ratings for Lanlily (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
lanlily -

Features

Model:1769-OA16
Type:Compact I/O 16 Point Output Module
Show More
Top 22

OONO DIN Rail Mount 30A/300V 2x12 Position Screw Terminal Block Distribution Module.

OONO
MD-D1339T-1

Ratings for OONO (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Electronics-Salon. -

Features

DIN Rail mount 30Amp 300V 2x12 position screw terminal block distribution module. Support for multiple module extension connections.
A / B position maximum current 30Amp(each position). A1~A12 total maximum current 30Amp(total positions). B1~B12 total maximum current 30Amp(total positions). A1~A12 / B1~B12 position maximum current 20Amp(each position). Maximum voltage 300V.
Show More
Top 23

Electronics-Salon DIN Rail Mount Screw Terminal Block Adapter Module, for Arduino UNO R3.

Electronics-Salon
43237-2
0.22 Pounds

Ratings for Electronics-Salon (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Electronics-Salon. -

Features

Pitch 3.81mm/0.15" screw terminal block.
Terminal block: wire range 26-16AWG, strip length 5mm, Metric M2 slotted screw.
Show More
Top 24

Electronics-Salon DIN Rail Mount 8 SPDT Power Relay Interface Module. (Operating Voltage: DC 5V)

Electronics-Salon

Ratings for Electronics-Salon (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Electronics-Salon. -

Features

DIN Rail mount 8 Channel 10Amp SPDT Power Relay Module, DC 5V Version.
JS1-5V-F Power Relays. LED indicator for each relay channel. Darlington transistors circuit driving relay, improve the reliability of action.
Show More
Top 25

CZH-LABS DIN Rail Mount Screw Terminal Block Breakout Module Board for Arduino MKR.

CZH-LABS
MD-D1299T-1

Ratings for CZH-LABS (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Electronics-Salon. -

Features

DIN Rail Mount Screw Terminal Block Breakout Board for Arduino MKR. With the breakout board, you can easily extend Arduino MKR projects to industrial control applications.
PCB mount Terminal Block: pitch 5.0mm/0.197", strip length 7mm, screws - M2.5, steel, Cr3+ Zn plated. pin header and cage - brass. Wire range 28AWG ~ 12AWG / 2.5mm square.
Show More
Top 26

Morris Products 87124 Voice/Data and Expansion Module

Morris Products
87124
0.3 Pounds

Ratings for Morris Products (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
SupremeLightingNYC -
Brand Name Lighting -

Features

Voice/Data Expansion Module - Data/Voice Expansion Module for professional distribution of phone lines.
Voice/Data Expansion Module features include:
Show More
Top 27

sikinta 1756-IF16 Analog Input Module ControlLogix 16 Current/Voltage Analog in Stock New in Box 1 Year Warranty

sikinta
1756-IF16

Ratings for sikinta (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
lanlily -
SIKINTA -

Features

1756-IF16
Analog Input Module
Show More
Top 28

RADWELL VERIFIED SUBSTITUTE 1747-UIC-SUB Interface Converter Module USB to DH-485, Replacement of Allen Bradley 1747-UIC

RADWELL VERIFIED SUBSTITUTE
0.46 Pounds

Ratings for RADWELL VERIFIED SUBSTITUTE (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
PLC Cable, Inc -
Top 29

Banana Jack Breakout Board Module (4x2 Positions, DIN Rail Mount)

OONO
D-1432 Series

Ratings for OONO (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Electronics-Salon. -

Features

DIN Rail Mount 4 x 2 Positions Banana Jack Breakout Board Module.
A and B position termianl blocks, maximum current 20 Amp (each position). Pitch 7.62mm/0.3", Wire range 26AWG ~ 10AWG / 4.0mm square, Strip length 8mm. Screws - M3,steel, Cr3+ Zn plated. Pin header and Cage - Brass.
Show More

Top 10 IO Modules - Verified to Buy (Apr. 2024)

Top 10 IO Modules Brands on Amazon

Here is the list of top-rated brands that were evaluated by CherryPicks.

  • Grayhill
  • Electronics-Salon
  • HCDC
  • SIEMENS
  • OONO
  • ZOUOOU
  • Lanlily
  • sikinta
  • Opto 22
  • CZH-LABS

Top 10 IO Modules Sellers: CPR Seller Rank List

CPR sellers rank is based on CherryPicks-AI bestselling ranking system that helps us analyze each seller's sales trends. The List of top seller ranks is our in-house data, essential for our product ranking to help you make the right shopping choice.

Rank Name Yearly Feedbacks Avg. Ratings
🥇 DataAlchemy 570 4.4
🥈 SupremeLightingNYC 503 4.8
🥉 Data Alchemy 454 3.6
4 Amazon.com 385 4.7
5 Electronics-Salon. 335 4.9
6 Brand Name Lighting 254 4.9
7 IndustAutoCo 207 4.5
8 Commercial Kitchen Direct 204 4.5
9 VoyageSupply 192 4.7
10 Xiken 73 4.9
View or download top IO Modules seller & rating report
DataAlchemy [570] SupremeLightingNYC [503] Data Alchemy [454] Amazon.com [385] Electronics-Salon. [335] Brand Name Lighting [254] IndustAutoCo [207] Commercial Kitchen Direct [204] VoyageSupply [192] Xiken [73] DataAlchemy 18% SupremeLightingNYC 16% Data Alchemy 14% Amazon.com 12% Electronics-Salon. 11% Brand Name Lighting 8% IndustAutoCo 7% Commercial Kitchen Direct 6% VoyageSupply 6% Xiken 2%

[Get] IO Modules Deals (✅Exclusively for Prime)

What does "Amazon Fulfilled" Mean?

Amazon Fulfilled refers to products handled by Amazon's logistics, which indicates that the product is stored, packed, and shipped by Amazon from one of its fulfillment centers.

When you order a product that is "Amazon Fulfilled," Amazon takes care of the storage, packing, shipping, and customer service for that product. This often ensures quicker delivery and better customer service compared to products that are not fulfilled by Amazon. It also means that the product is eligible for Amazon's return policy.

What does "Prime" Mean?

"Prime" refers to Amazon Prime Member (Join Amazon Prime Now), which indicates eligibility for Prime benefits. When you see "Prime" next to a product on Amazon, This generally means that if you are  an Amazon Prime member, you can get free two-day shipping on that product, and sometimes even same-day or one-day shipping depending on your location.

Prime members also have access to other benefits, including 2-Day ShippingExclusive Member DealsPrime VideoBuy With PrimeAmazon MusicPrime Gaming, and more.

Shop Prime IO Modules Deals

What does "Free Shipping" Mean?

"Free Shipping" means that you will not be charged additional fees for the shipping of that product. However, unlike "Prime," which usually guarantees fast two-day shipping, "Free Shipping" doesn't necessarily mean fast shipping.

Sometimes there might be a minimum purchase requirement to qualify for free shipping if you are not a Prime member. For Prime members, the "Free Shipping" usually refers to the free two-day shipping that is one of the benefits of the Prime membership.


Why Should You Trust Us?

Now hundreds and thousands of Industrial Electrical supplies are available on Amazon, Picking the right one is not easy, and that may take a lot of your time, Right? and What is the best IO Modules to buy for new April 2024?

CherryPicks’s Methodology for Evaluating IO Modules

We developed the CherryRatings-AI system to identify and score reviews and the CherryPicks-AI ranking system that uses TensorFlow framework to generate the best list, It will help us evaluate Industrial Electrical items that sell on Amazon. The score of items is based on over ten parameters such as analyzing customer review content, product reviewing rating statistics, brand reputation evaluation, comparing product price with features, etc, You can visit How We Rank to learn more in detail.

We collected and analyzed 317 of IO Modules reviews based on our selection criteria. It helped us shortlist the top qualified and rated IO Modules for Industrial Electrical, We found that most customers choose IO Modules with an average price of $267.85, and the top brands are SIEMENS, Morris Products, OONO, HCDC, Electronics-Salon, Hubbell Heaters, CZH-LABS, LOLOVI, Crouzet, Grayhill, eletechsup, ZOUOOU, Lanlily, sikinta, Opto 22 And RADWELL VERIFIED SUBSTITUTE. 

Then our expert-level editors reviewed all those quality items and selected the top 29 IO Modules for you, We have researched hundreds of sellers and picked the top sellers for Industrial Electrical, including DataAlchemy, SupremeLightingNYC, Data Alchemy, Amazon.com, Electronics-Salon., Brand Name Lighting, IndustAutoCo, Commercial Kitchen Direct, VoyageSupply, Xiken, IPA, Factory Warranty And Online Components - com. The GRAYHILL 70G-IDC5 Relays io-modules 70G Series ... are available for purchase right now, and The seller of #1 rank product has received honest feedback from 0 consumers with an average rating of 0.0.

We've helped a lot of satisfied users get the right Industrial & Scientific product based on their needs, and save lots of time for them to pick IO Modules to buy.


Written By Ronald M. Bieber

Ronald M. Bieber has rich experience as a science lab instructor in a college and this has provided him with the right requisite knowledge and experience to be a professional in the act of spotting the right and wrong product. He would be helping us make the right choice in this regard.