logical level converter module for switch panel LED state feedback

the module will convert dc12v to 0v, 0v to 12v.
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[@ruimarinho]

How do you decide when to use the KC868-E16 OMRON switch vs contactors? Type of load, cost optimization, PDU space?

[@KinCony]

relay less sound noise than contactor, but if load >16A , contactor is safer than relay

[@MarcioTorres]

Will there be a version for 5v X 3.3v / 3.3v X 5v?

[@KinCony]

now the version is 12v--0v convert