Interesting, motor driven knife switch. I guess it is fast enough to not
arc too much.
-----Original Message-----
From: Ken Hohhof
Sent: Tuesday, January 03, 2017 1:53 PM
To: [email protected]
Subject: Re: [AFMUG] Smartmeter Security question
https://www.youtube.com/watch?v=yQdeLQqaStA
-----Original Message-----
From: Af [mailto:[email protected]] On Behalf Of Seth Mattinen
Sent: Tuesday, January 3, 2017 2:37 PM
To: [email protected]
Subject: Re: [AFMUG] Smartmeter Security question
On 1/3/17 12:26, Ken Hohhof wrote:
Why can it not be an electromechanical relay, maybe a latching type?
http://www.johnsonelectric.com/en/features/residential-electricity-met
er-disconnect-relay
I would expect at 200 amps either a contactor or SCR because of the risk of
contact welding, unless they normally only switch it with minimal or no
load. Or maybe that's why they catch on fire.
~Seth
