Insulating plate
5mm thickness, flat surface
Made by Bakelite or epoxy board
diameter twice the maximum permissible dimension of the
engagement face of the plug
Metal part B
Length ＞ 20mm
Material: brass
Equip with 6A 2-pins, 10A 3-pins, 16A 3-pins
Gap between insulating plate and metal part B: 3±0.2mm,
ensure air convection around the pins
Distance between thermocouple and positive side of metal
part B: 7±0.5mm
Thermocouple: K type, with digital temperature meter
Apparatus for testing resistance to abnormal heat of insulating sleeves is designed according to IEC6884-1 figure 40, it is applied to test heat and flame resistance performance of insulating sleeves.
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