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Neutrik NAC3FCA powerCON Cable Connector Power In Blue
What amperage can this connector handle at 12vdc? Is it still 20a or is it actually a function of power (wattts)?
I want to be able to switch a deep-cycle marine battery (12v) easily from a fixed charger to a 400w inverter. Max continuous current would be 33.3 amps at 12vdc, with potential momentary peaks as high as 66.6 amps at 12vdc.If the connector's amperage rating also takes into account power handling, then its power rating is roughly 20a x 250v = 5000w, which is considerably higher than the 800w peak I'm looking at. Is my thinking correct, or is the 20amp rating a fixed value regardless of the voltage?
It is the amperage that creates heat. Most electrical products with dual ratings for 120/240vac and low voltage dc have the same amperage rating. I would assume this connector would be rated for only 20a at 12vdc also if that was its purpose. You will also be limited to the current capacity of the wire you fit into the contacts, which will be 10 guage at best.
Date published: 2013-06-19
What does the warning at the bottom of the listing mean?
After reading up on the subject, I was all set to order this for powering an amplifier chassis I am building. Then I noticed the warning: "Note: PowerCon® is not designed to be a "mains" connector or for speaker/amplifier applications." Is there a reason for this, or is it just standard lawyer boilerplate?
This means it is not for speaker level amplifier output. It is intended for A/C power. You are just fine using this plug in place of an IEC or standard 3 prong Edison plug on your amplifier.
Date published: 2013-10-26