Wrench Tool / Socket For Amphenol Helios H4 Solar Connectors

This is a socket for a torque wrench that I used to tighten Amphenol Helios H4 Solar Connectors / solar plugs.
I used it with the Wera 7442 074702 torque wrench, together with a Wera 870/4 1/2" adapter.

I used it to tighten the Photovoltaic plugs with 3 Nm, as recommended in the manual of my Kostal Pico CI 50 inverter.
The instruction manual of the plug manufacturer recommends using a torque between 2.6 and 2,9NM:
https://www.solar-electric.com/lib/wind-sun/H4_Assembly_Instructions.pdf
https://www.photovoltaik4all.de/media/96/55/d1/1694533487/h4-assembly-instructions-german.pdf

Part of this file is is also a hand Tool, that does the same job, If you do not have a suitable torque wrench.

(Maybe also check out this tool here from another designer:
https://www.printables.com/de/model/100466-amphenol-helios-h4-connector-tool
I have not tested / printed this tool it, because I already had a tool for that, but it might also be useful for you.)