Compact, Durable, Single In-Line Connectors 

Harwin is a world-leading specialist in reliable and high-performance technologies for demanding interconnection applications. Select one of the categories to find the right product for your design.

Our Ranges

What's New 

We are pleased to announce the appointment of Andrew McQuilken as CEO of Harwin, following recent changes to our senior leadership team. His leadership marks an important step in the company’s continued growth and strategic direction. 

Andrew McQuilken has been appointed to CEO of Harwin in the latest Senior Leadership update. 

Senior Leadership Update | Harwin 

Senior Executive Leadership Team Update 

Harwin has begun construction on a £30 million, multi-story manufacturing facility in Portsmouth, set for completion in 2026, which will double production capacity while integrating sustainable design, renewable energy, and eco-friendly commuting initiatives to reduce environmental impact.

Harwin is building a £30M manufacturing facility in Portsmouth, set for completion in 2026, doubling capacity while prioritizing sustainability with renewable energy and eco-friendly design.


Harwin's £30M Portsmouth Expansion: Sustainable Manufacturing Growth

Harwin Begins £30M Manufacturing Expansion in Portsmouth

The Kontrol range has been expanded with the addition of single row connectors & cables. Learn more in this blog post. 

Discover the expanded 1.27mm Kontrol range with 49 new single-row SMT connectors and cables, designed for reliable, flexible use in harsh industrial environments.

Kontrol Range Expansion: 1.27mm Single-Row Connectors & Cable Assemblies

Introducing the New Single-Row 1.27mm Kontrol Connectors and Cable Assemblies

What's New

Harwin for Aviation

Proven high reliability under the most extreme environmental conditions: Severe vibration & shock, high temperature and humidity.

Featured Projects

Harwin products are used in many aviation applications, with a focus on being lightweight, compact and durable.

Connectors and Hardware for the Aviation Industry

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Aviation

From the smallest turboprop to the largest passenger & cargo planes, specify connectors from an EN9100D / AS9100D certified company. Designed for vibration and temperature resistance.

From the smallest turboprop to the largest passenger planes.

Harwin for Defense 

Proven high reliability under the most extreme environmental conditions: severe vibration & shock, high temperature and humidity.

Many Harwin products are used in Defense applications, lightweight and reliable for Aircraft and UAVs, rugged and reliable for ground-based equipment.

Connectors and Hardware for the Defense Industry 

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Harwin connectors for defense 

Connectors & hardware for the defense industry, designed with COTS and SWaP-C optimization, proven performance and trusted by major manufactures. 


Connectors & hardware for the defense industry.

Defense 

Harwin for Energy, Oil & Gas

Applications range from industrial field equipment to mass produced consumer electronics, in both traditional and newer sustainable energy markets. 

Rugged and reliable connectors for a variety of challenging environments where quality, durability and reliability are factors in product selection. 

Products for use in Energy, Oil & Gas 

Harwin connectors for Energy, Oil & Gas 

Connector solutions for vibration resistance (inside a wind turbine) or temperature environments (down an oil well). Tough, challenging environments need durable solutions. 

Durability for field applications mass produced products.

Energy, Oil & Gas 

Harwin for Industrial Applications 

Where reliability and durability are required in an industrial setting, Harwin products are well suited to the challenge. 

Connectors and Hardware for Industrial Applications 

Harwin connectors for Industrial 

Maintain production uptime with reliable connectivity & associated hardware. Industry-standard connections with added confidence in quality assurance and expert assistance. 



Increase uptime with secure & reliable connections.

Industrial 

Harwin for Medical

Medical equipments needs to work reliably both for routine heavy usage and critical care applications. Harwin supports you in achieving the reliability and durability you need.

Connectors and Hardware for Medical Applications 

Harwin connectors for Medical Applications 

When vital electronic equipment means the difference between life and death, quality and reliability in every component is highly important.  No compromise is required.


Critical electronic equipment for life or death situations.

Medical

Reliable Metering & Measurement

Specify Harwin for uninterrupted data flows even in the harshest operating environments.

Connectors and Hardware for Metering & Measurement 

Harwin connectors for metering & measurement 

Precise monitoring & controls require reliable and trustworthy connections. Depend on quality, supply and service to ensure continious signal transmission in sensing and detection. 




Products for data & operations that must not fail. 

Metering & Measurement

Harwin for Electric Vehicles 

Connectors and Hardware for EV Applications 

Harwin connectors for Electric Vehicles 

Connectors & hardware on the leading edge of EV technologies. Delivering connections to management systems, sensors and controls, and maintaining performance under pressure. 



Reliable & lightweight connections for a smooth ride.

Electric Vehicles 

Harwin for Space

Specify Harwin for high reliability in ground applications as well as the unique and extreme environment of space itself.

Connectors and Hardware for Space Applications 

Harwin connectors for Space 

Commercial or government, launch to orbit, size and weight are crucial.  Connectors on the edge of space must perform to requirements, as maintenance opportunities are slim to none. 



Reliability under severe vibration, shock & high temperatures.

Space 

Harwin for UAV applications 

When lightweight, small, reliable, and durable components are required, specify Harwin.

Connectors and Hardware for UAV Applications 

Harwin connectors for UAV applications 

Remotely operating a vehicle takes confidence in the hardware.  Harwin connectors and board accessories deliver on size, weight, power and quality.

High quality connections for camera drones to unmanned planes.

UAVs 

Specialist areas

If you would like to talk to someone about a product or for technical advice, contact one of our experts for assistance.

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Choose Harwin for PCB Connectors, High-Reliability Connectors & EMC Shielding. Order samples, download 3D CAD models. World-class quality manufacturer. Industrial Electronic Connectors; Vibration-resistant connectors ideal for Aerospace, Defense, Motorsport; Board Level Shielding for EMI/RFI.

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Introducing
Kontrol SIL

Compact, Durable, Single In-Line Connectors

Our Ranges

What's New

Senior Executive Leadership Team Update

Harwin Begins £30M Manufacturing Expansion in Portsmouth

Introducing the New Single-Row 1.27mm Kontrol Connectors and Cable Assemblies

Specialist areas

Hello, how can we help you?

Search

IntroducingKontrol SIL

Compact, Durable, Single In-Line Connectors

Our Ranges

Senior Executive Leadership Team Update

Harwin Begins £30M Manufacturing Expansion in Portsmouth

Introducing the New Single-Row 1.27mm Kontrol Connectors and Cable Assemblies

Hello, how can we help you?

Introducing
Kontrol SIL