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relay, etc...
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To: mail11:;-at-msd26.ENET.dec-dot-com (-at-teslatech)
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Subject: relay, etc...
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From: "Dave Pierson: I am the NRA" <pierson-at-msd26.ENET.dec-dot-com>
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Date: Fri, 8 Mar 96 18:30:04 EST
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Cc: pierson-at-msd26.ENET.dec-dot-com
Per usual, i could be wrong:
>What is the difference between a relay, a contactor, and a motor starting
>relay?
Size, mostly.
'relay' is generic for 'magnetically operated switch'.
'Contactor' is a BIG relay.
"Motor Starting relay', i get a little phuzzy on, but typically
LARGE, usually has built in overload protection, typically set up
to handle the large starting currents of a large motor. May come
with its own mounting box, with pushbuttons, and or be specially
wired for emote puch button control.
>I ask this because I was ready to buy a motor starting relay that
>I thought would have worked just fine for my Tesla coil control
>cabinet (proper voltage and current ratings), but the person who was
>selling it said that it would not be possible to use it as a simple high
>current relay, and that I really needed a regular relay.
Can't think why he thought that, except the overload protection, maybe
he thought that would be a problem.
Did he offer an explanation?
(and some folk simply don't want to sell something for an application
they do not understand, for fear of 'problems'.)
regards
dwp