Standard
IEC 60884-1 2013 clause 24.19, 25.4

Application
This device is use for compression testing for the verification of resistance to heat for accessories for electrical appliances and surface mounting boxes.

Test sample
Shrouds of portable socket-outlet, accessories for electrical appliances and surface mounting box

Feature
This compression test device features a moving jaw, fixed jaw, guides, and compression weights. It is designed for use for compression tests for the verification of resistance to heat for electrical appliances and surface mounting boxes with a heating chamber.

Apparatus for compression test for the verification of resistance to heat of 25.4

(1) Guides, (2) Moving jaw, (3) Specimen, (4) Fixed jaw

Parameters
1. Compression weight: having a cylindrical face of 25 mm radius, corners are rounded with a radius of 2,5 mm
2. Compression force: 20N
3. Test time
1 min, test at an temperature of (25 ± 5) °C - for shrouds of portable socket-outlets –;
1 hour, test at an temperature of (80 ± 2) °C - for accessories for electrical appliances and surface mounting boxes.