By Steve Bush 20th September 2022
Harwin has added male flying leas options to its Kona high-power compact connector range, rated at 1.5kV and 60A per contact. All the new parts are suited to 8AWG wire.
“This addition makes it possible to bring male and female cables together for the first time in a cable-to-cable arrangement, whereas previously we were only offering Kona in cable-to-board options,” the company told Electronics Weekly.
“The additions are suitable for use with both standard cable connection and made-to-order cable assemblies,” it said. “Engineers can select housings with or without panel mount-fixings – compatible with the thumbscrew fixings on the female. Reverse-fix thumbscrews compatible with female reverse-fix panel mount fixings are also available.”
All fixings are designed to mate-before-lock.
Initially launched in November 2020, Kona connectors use six-fingered contacts to maintain electrical contact through vibration and shock, with beryllium copper allowing operation across -65 to +150°C.
Working voltage is 1,500V dc or peak ac, and pin pitch is 8.5mm to handle 3kV without flashover (60s test, sea-level – max at 21km altitude (70,000ft 44mbar) is 500Vac for 1 minute). Insulation Resistance is 10GΩ min (1kV). Maximum contact resistance is 2mΩ, and the quad contact version can handle a total of 240A.
To reduce the chance of accidental touch, contacts are individually shrouded and recessed.
The company sees them being used in space, electric vehicles, unmanned aeroplanes and robotics.
Established for over 70 years in Portsmouth, Harwin designs and manufactures in the UK.
The Kona product page can be found here
Tagged with: Aerospace aircraft connector electric vehicle Harwin robotics UK manufacturing
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