This Large series connector is blue capped to indicate a different pin gender for use where the signal is in another direction to the yellow capped versions. Simple push to lock plug insertion, then twist and pull to release. Mounting screw is attached to the front of the chassis panel. Excellent mechanical properties of phosphor bronze assembly with good electrical conductivity brass. It is ideal for indoor and outdoor harsh working environments. The connector can insert and withdraw to 3000 times or more, ensure a reliable contact every time.