Jun 10, 2008 #2 davidbeach Electrical Mar 13, 2003 9,525 It is the way of mapping variables to trips and such in the older SEL relays. Newer relays are much easier to work with. Upvote 0 Downvote
It is the way of mapping variables to trips and such in the older SEL relays. Newer relays are much easier to work with.
