Electricians Forum | Electrical Advice Forum | An electrical forum for electricians in the UK - View Single Post

DanBrown · 12-01-2009

What do you mean exactly 51 & 49??, is this on the contactor overload??

12-01-2009	#3 (permalink)
DanBrown Senior Member Join Date: Dec 2007 Posts: 196 Thanks: 10 Thanked 7 Times in 7 Posts	Re: 51 & 49 function relay What do you mean exactly 51 & 49??, is this on the contactor overload??