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engilis
Power-User

Join Date: Mar 2010
Posts: 105

Trip Coils

03/17/2010 3:26 PM

cant we use trip coils' (-) polarity instead of CB 52a ?

trip contacts connects to digital inputs (-)

is it possible?

we can know position all pole of CB if we can measure (-) polarity of trip coils' belong all phase.

your comments please.

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Pathfinder Tags: cb 52 a
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Anonymous Poster
#1

Re: Trip Coils

03/19/2010 2:15 AM

maybe you are right. we dont need 52 a also. in relay panel trip coils' measured (-) polarity can say cb's all pole open or close.
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