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Author Topic: Electromechanical Relays Contact Resistance measurment by Panasonic  (Read 1630 times)

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Offline Kiriakos GR

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In my attempt to discover best in class electromechanical relays with lowest contact resistance, I did discover a Panasonic article, about how to measure contact resistance with out high end measuring tools.

https://na.industrial.panasonic.com/blog/how-measure-relay-contact-resistance

The second information of high importance: Most of Panasonic's electromechanical Relays have a specified contact resistance value of 100 mOhms (Max).

And therefore we are now aware of Max Contact Resistance Limit, which this classify electromechanical relays health status as good as new. 
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Offline Kiriakos GR

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Re: Electromechanical Relays Contact Resistance measurment by Panasonic
« Reply #1 on: September 19, 2024, 09:00:48 PM »
Another interesting find, OMRON Corporation also using this testing process.
Measurement conditions: 5 VDC, 1 A, voltage-drop method.

G2R Series, 1-pole 30 mOhm, 2-pole 50 mOhm. 
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