The relevant Harting catalogue for that connector should be attached, so probably best to double check measurements/contacts, as the Triac uses more terminals. I'm pretty sure they still use the same series of connector, just the Triac has two more rectangular modules in the housing.

I thought I had ordered contacts, but I can't find any or any evidence of ordering them. I suspect I may of just reused contacts, as they require a circular crimp tool which I definitely don't have. If you crimp them with normal crimping pliers they might not fit the housing, as they are quite a tight fit.

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