Diameter: 75mm, Confirm to the IEC60335-2-24 clause21.102. Sphere is hardened steel. The test rod is 75 mm in diameter, of unrestricted length and with a hemispherical end. Compliance is checked by applying a 75 mm ± 0,5 mm diameter sphere without appreciable force in an attempt to touch the lamp with the lamp cover in place.

Standard:
IEC 60335-2-30 “Household and similar electrical appliances – Safety – Part 2-30: Particular requirements for room heaters”
IEC 60335-2-24 “Household and similar electrical appliances – Safety – Part 2-24: Particular requirements for refrigerating appliances, ice-cream appliances and ice makers”

Technical Parameter:
Probe diameter: 75mm
Probe length: 50mm
Baffle plate diameter: 100mm
Baffle plate thickness: 10mm