The G7J cannot be used on 4000VAC switching. Use the G7J at less than the rated load voltage 220VAC.
However, the G7HN-1A-C is rated load 4000VAC 0.6A by resistive load, so the G7HN-1A-C can be used.
However, the G7HN-1A-C is rated load 4000VAC 0.6A by resistive load, so the G7HN-1A-C can be used.