Best Rectangular Connectors of 2026

Harvey Wall Avatar
Harvey Wall
Last Updated: 2 Feb 2026

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Rectangular connectors are a type of electrical connector that is commonly used in a variety of industries, including aerospace, defence, and telecommunications. These connectors are designed to provide a secure and reliable connection between two or more electrical circuits. They come in a range of sizes and configurations to suit different applications and are known for their durability and resistance to harsh environments. Rectangular connectors are essential components in many electronic systems and can help to improve the performance and reliability of these systems.

At a Glance: Our Top Picks

3M Scotchlok Blue Wiring Connector Pack Cover #TOP 1
3M Scotchlok Blue Wiring Connector Pack
ftb score rating icon 9.9
sourcing map 2.54mm Pitch Connector Kit Cover #TOP 2
sourcing map 2.54mm Pitch Connector Kit
ftb score rating icon 9.8
sourcing map 2mm Pitch 4 Pin Connector Kit Cover #TOP 3
sourcing map 2mm Pitch 4 Pin Connector Kit
ftb score rating icon 9.6

Top 3 Rectangular Connectors

#TOP 1

3M Scotchlok Blue Wiring Connector Pack

3M
80000209561
blue
3M Scotchlok Blue Wiring Connector Pack Cover
3 M Scotchlok 314 Moisture Protected Max 0.5 mm² up to 1.5 mm² Wiring Connector – Blue (Pack of 50)

The 3M Scotchlok Connector offers a reliable solution for your wiring needs. The blue connector is designed for easy cutting, making installation straightforward for you. With a Klemmkontakt feature, it ensures long-lasting connections, so you can trust that your wiring will remain secure. This product is suitable for wire sizes from 0.5 mm² to 1.5 mm², providing versatility for various projects. Investing in this connector pack helps you achieve efficient and dependable electrical connections.

What We Like
Durable and long-lasting
Easy to use
Versatile wire size compatibility
Secure connections
#TOP 2

sourcing map 2.54mm Pitch Connector Kit

a22110800ux0092
sourcing map 2.54mm Pitch Connector Kit Cover
sourcing map 2.54mm Pitch XH Connector Kits 2 Pin Male Female Header Right Angle Socket Housing Cable Adapter and Crimp DIP Kits, 50 Set(200pcs)

The sourcing map Connector Kit is a versatile assortment of male and female plug housings, ideal for various electronic projects. You can easily connect circuit boards, breadboards, and even speakers, facilitating a seamless integration of components. The robust nylon and metal construction ensures high-temperature resistance, providing durability for your connections. Its reliable crimping feature allows for a secure fit, so you can trust that the pins will remain intact and not loosen over time. This kit is perfect for anyone looking to simplify their electronic assembly tasks.

What We Like
Wide application for various devices
Durable nylon and metal materials
Secure and sturdy connections
Convenient 50-set package
#TOP 3

sourcing map 2mm Pitch 4 Pin Connector Kit

a22110800ux0028
sourcing map 2mm Pitch 4 Pin Connector Kit Cover
sourcing map 2mm Pitch PH Connector Kits 4 Pin Male Female Header Right Angle Pin Socket Housing Cable Adapter and Crimp DIP, 30 Set(180pcs)

The sourcing map PH Connector Kit provides a versatile set of male and female plug housing connectors, ideal for various electronic projects. Whether you are working on circuit boards, breadboards, or connecting PC fans and stepper motors, this kit offers reliable connections to suit your needs. It contains 30 male and 30 female 4-pin connectors, along with 120 crimp DIP pins, making it convenient for multiple uses. Made from durable nylon and metal with high-temperature resistance, the connectors ensure strong conductivity and long-lasting performance, giving you secure and sturdy connections every time.

What We Like
Wide application range
Complete connector assortment
Durable nylon and metal build
High-temperature resistant
Secure and sturdy pins
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What are rectangular connectors?

Rectangular Connectors, a system of housings, inserts and contacts that come together to offer robust, secure and easy to assemble solution.

2. What are the three connectors?

Electrical connectors are classified into three types based on their termination ends: board-to-board connectors, cable/wire-to-cable/wire connectors, and cable/wire-to-board connectors.

3. What are circular connectors?

A circular connector is a cylindrical, multi-pin electrical connector that contains contacts that power electrical devices, transmit data, or transmit electrical signals. A circular connector is designed to withstand harsh environments and reliably deliver data.

Editor's Notes

During our rectangular connector research, we found 252 rectangular connector products and shortlisted 3 quality products. We collected and analyzed 11,945 customer reviews through our big data system to write the rectangular connectors list. We found that most customers choose rectangular connectors with an average price of £20.00.

The rectangular connectors are available for purchase. We have researched hundreds of brands and picked the top brands of rectangular connectors, including 3M, sourcing map.

Written by
Harvey Wall Avatar

Harvey Wall was born and raised in Norwich. He mastered the art of tool production and finished at the prestigious Norwich University. His area of interest include cutting tools, abrasive finishing and power tools. Harvey is always looking for ways to improve the finesse of industrial tools via his myriads of researches. He also shares some of his experiences on many platforms while writing on tool products.