For railway and other harsh environments, Hirose has introduced the HR43 series of connectors with a bayonet lock to ensure a secure connection. They are constructed of aluminium alloy to allow them to be lightweight yet robust to withstand vibration and shock.
The simplified assembly procedure allows the unique waterproof gasket to be sealed and the cable clamped simultaneously by the tightening ring without the need for additional tooling. The gasket surrounds each individual wire to seal it and provide IP67 waterproof protection in the mated condition.
The HR43 is optimised for easy field assembly with a standard market commodity hand tool to terminate the crimp contacts. A contact removal tool is available to quickly remove the contact from the housing. The connectors feature three contact positions, 20 A current rating, AC/DC 250 V voltage rating and 100 mating/unmating cycles.
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