De or het doorschakeling?

The correct Dutch article is:

de doorschakeling

Rule Words ending in -ing: almost always de. See the rule

How to use doorschakeling

the doorschakelingde doorschakeling
this doorschakelingdeze doorschakeling
that doorschakelingdie doorschakeling
our doorschakelingonze doorschakeling
your doorschakelingjouw doorschakeling
every doorschakelingelke doorschakeling
which doorschakeling?welke doorschakeling?
a big doorschakeling / the big doorschakelingeen grote doorschakeling, de grote doorschakeling