High current connector for harsh environments

New Products |
By Nick Flaherty

Harwin has significantly raised the power levels for its connectors with the launch of a 60A high reliability family for harsh environments. 

The Kona series uses an 8.5mm pitch for the six finger Beryllium Copper contacts for applications such as battery charging without having to split the current across multiple contacts. Among the key applications targeted are electric vehicle battery monitoring/management, power control systems, robotics drives, servo controls, UAVs and satellites.

Kona contacts are arranged in a single row, with 2, 3 and 4 contact versions available. The mating pair consists of a male vertical through-board connector with board mount fixings, plus a female cable connector which will accommodate 8AWG gauge cables.

Harwin’s mate-before-lock mechanism prevents any damage occurring during the locking process ensuring the mating elements are fully aligned first. A shrouding on each contact and a fully polarized construction avoids the possiblity of mis-mating. Stainless steel thumbscrews fitted to the female connector element simplifies fixing without tools, and a contact indicator makes certain that the connector elements are correctly oriented.

The Kona series connectors have a maximum voltage rating of 3kV and a working temperature ranging from -65°C to +150°C,  and can handle vibrational forces of 20G for a period of 12 hours. The 6-finger contacts prevent any interruption in connectivity and the connectors have a 250 mating cycle lifespan.

“Following the market traction witnessed by our high-power Datamate Mix-Tek connectors, further opportunities have started to appear. Customers have approached us in need of even more current per contact“ explains Harwin’s Ryan Smart, NPI Product Manager. “The parameters that the Kona series deliver will open up new potential markets for us, and Kona is our highest performing connector to date.”

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