On Wed, 13 Dec 2006 12:47:21 GMT someone who may be Guy King
wrote this:-

I suspect the
fuse still doesn't react as fast as the MCB.

Do you? Why?

A generalisation is that a fuse reacts much faster than an MCB
during a high current fault, but an MCB reacts faster than a fuse
during a low current fault (an overload).


--
David Hansen, Edinburgh
I will *always* explain revoked encryption keys, unless RIP prevents me
http://www.opsi.gov.uk/acts/acts2000/00023--e.htm#54