Load control [RE-wrenches]

Bob-O Schultze, Electron Connection econnect at snowcrest.net
Mon Nov 8 09:58:27 PST 2004


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Daryl,
It doesn't. William's load was a 240vac well pump. Bad idea to PWM a 
relay to turn a motor load on and off regardless of ac or DC. For 
that you want an On-high, Off-lower type of control. As Todd 
suggested, the old C30 was good and a Simple Switch as Doug suggested 
will work fine as well if you are using a relay with a DC coil. The 
SW Aux relays do that just fine so long as your relay coil doesn't 
need more than a few amps and it can be either ac or DC. I think they 
rate it for 5A, but I wouldn't push it nearly that far. On the 
contactor side of the relay you could switch either ac or DC 
depending on the rating of the relay.
bob-O

>Hello Bob and others
>HOw does the SW serve as a high limit control for DC?
>I was thinking William was asking for a high voltage
>limit control? 
>
>Please inform me.
>Thanks Daryl

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