M12 4 Pin Waterproof Cable Connector - LEADER GROUP
identification - What is this cylindrical 4-pin connector called? - Electrical Engineering Stack Exchange
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32A Male and Female Connector, 4 Pin, IP44 - Peaco Support
identification - What is this cylindrical 4-pin connector called? - Electrical Engineering Stack Exchange
BuildYourCNC - 4 Pin Round Female and Male Connector Set