The M300 series brings a compact power solution to the High-Reliability portfolio, ideally suited for a wide variety of testing environments and conditions. Connectors are currently available in 3-contact single row, 6- and 10-contact double row. Vibration and shock resistant, compact power future-proofed.

Compact power solution, resistant to vibration & shock

M300

All electrically loaded; 5A if 2AWG wire is used 

10A per contact  -

Maintaining electrical contact through high vibration and shock

4-finger contact design -

Enhanced temperature range: -65°C to +175°C

Beryllium copper contact

1,000 mating cycles

Halogen-free, PFOS-free, SVHC-free and RoHS compliant

Future proofed materials

0.68% TML, 0.01% CVCM, 0.26 WVR (Water Vapour Recovered)

Low outgassing properties

The M300 series brings a compact power solution to the High-Reliability portfolio, ideally suited for a wide variety of testing environments and conditions.

Benefits

Ready-to-use cabled connectors, single ended, fully inspected and tested. Backpotted for added strain relief. Ideal for both prototyping and full production requirements.

Cable Assemblies

Cable housings and contacts, sold separately. See Accessories and Tooling for cable crimping and assembly tools.

Cable Connector Parts 

Board-mounted connectors, vertical Throughboard style. Male and female options, with a choice of jackscrews available.

PCB Connectors 

Associated products and tooling hardware for the M300 range.

Tooling & Accessories 

Browse the M300 range

Harwin for Space

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

Featured Projects

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 

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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 Aviation

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

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 

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 

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 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 

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 

Specialist Areas

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

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



Harwin’s M300 series brings a compact power solution to the High-Reliability portfolio, ideally suited for a wide variety of testing environments and conditions. Connectors are currently available in 3-contact single row, 6- and 10-contact double row. Vibration and shock resistant, compact power future-proofed.

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