What are EN3645 and EN3646 Connectors? Meet the Connector: EN3645 and EN3646 Connectors EN3645 and EN3646 connectors are named for European technical standards (EN). They are similar to MIL-DTL-38999 Series III and MIL-DTL-26482, respectively. They have additional requirements, specifically in terms of performance under lightning strikes and resistance to fluids. Scoop-proof EN3645 connectors were created … Continue reading What are EN3645 and EN3646 Connectors?