Jan 29, 2014 #1 kallileo Electrical Jul 8, 2012 23 GR Usually an MCB or fuse is place before the relay. What will change I place first the relay and after that the MCB like in diagram B?
Usually an MCB or fuse is place before the relay. What will change I place first the relay and after that the MCB like in diagram B?
Jan 29, 2014 #2 ScottyUK Electrical May 21, 2003 12,915 DE Diagram 'A' looks correct. An MCB downstream of the relay offers limited protection to the relay, where upstream it offers full protection if correctly sized. Upvote 0 Downvote
Diagram 'A' looks correct. An MCB downstream of the relay offers limited protection to the relay, where upstream it offers full protection if correctly sized.