De or het draadversperring?

The correct Dutch article is:

de draadversperring

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

How to use draadversperring

the draadversperringde draadversperring
this draadversperringdeze draadversperring
that draadversperringdie draadversperring
our draadversperringonze draadversperring
your draadversperringjouw draadversperring
every draadversperringelke draadversperring
which draadversperring?welke draadversperring?
a big draadversperring / the big draadversperringeen grote draadversperring, de grote draadversperring

Dutch words ending in draadversperring

prikkeldraadversperring

In compound words, the last part decides the article. See the rule