As mentioned above, can use a junction box to give a horizontal profile.Indeed, DT connectors are very nice for inline connections or a bulkhead mount where you don't mind the connection standing straight up in the air (which is the deal killer for me)
Deutsch PCB enclosure is ready OTS
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DEUTSCH PCB Enclosures and Headers
Our DEUTSCH PCB enclosures and headers are rugged, environmentally sealed solutions for printed circuit board applications.