Owner's manual

Annex page 11 of 14
Certificate of EU type-approval no. DK 0199.202 rev.1
Issued by DELTA
Figure 3 Sealing of KFN-TM / SFB / UFN / BFN / NFN.
(method A)
After remove the label, you will find VOID on housing, or
a self destroyable sticker/seal shall be used.