APL wires

[Webinar_Question]

I see APL needs 2 wire, provide the signal and power, but I see M8 or M12 is 4 poles, why?

[VoGo]

I see APL needs 2 wire, provide the signal and power, but I see M8 or M12 is 4 poles, why?

M8 and M12 are robust, proven and available connector technologies for robust environments. The field engineers know how to assemble them, they are common and rock solid. The popular alternative is to use Screw-Terminals.