Order separately the single wire seal or the hoods/housings for an IP65 performance.
A Han® 1A configuration that only consists of inserts (with or without strain relief, 09 10 000 5300) is an unenclosed connector according to IEC 61984. In this case protection against electric shock must be provided by the installation methods of the user.
Contact inserts must not be coupled or decoupled under electrical load.
Contact inserts must not be powered-up in the un-mated condition.