Lampholder Contacts Security Test Device
Product details: Model ZLT-DTC.
To check the security of lampholder contacts, and conform to the IEC60598-2-20 Fig 2 and clause 20.11.3.
The incandescent lamp is removed and a force of 15 N is applied for 1 min to each of the conductors connected. Following this, a force of 30 N is applied for 1 min to the two conductors together. The forces are applied at a distance of 3 ± 0.8 mm from the insertion points in the lampholder so as to try to move the contacts from the lampholders. During the test the contacts shall not move more than 0.8 mm.