IEC60068-2-75 Environmental testing - Part 2: Tests - Test Eh: Hammer tests, IEC60068-2-63, IEC62262 Degrees of protection provided by enclosures for electrical equipment against external mechanical impacts (IK code), IEC60439-5 Low-voltage switchgear and controlgear assemblies - Part 5: Particular requirements for assemblies for power distribution in public networks
This device is suitable for mechanical impact strength testing for electric cabinets and other sheet metal shells for items such as electric energy metering cabinets, substation cable switchboards and cable junction boxes.
The shell of electric energy metering cabinets, substation cable switchboards and cable junction boxes and similar equipment
Equipment using the car structure, can be moved left, right, forward and backward, the upper and lower impact point height is fully adjustable 0-90°. The device is a low energy pendulum impact device for 2J and above.
|Pendulum||Length: 1000mm; external diameter: 9mm; steel pipe wall thickness: 0.5mm. Composition of the equivalent mass with impact element|
|Impact point||Up and down adjustable, stroke 200-1200mm, height can be customized|
|Impact element||2,5,10,20, 50J impact hammer||5kg Horn impact hammer|
|drop height||Scale display|
Impact energy, equivalent mass and drop height table
|Equivalent mass /kg||0.5||1.7||5||5||10|
|drop height ±1%mm||400||300||200||400||500|
1. See note in IEC 60068-2-75 3.2.2
2. In this part, the energy (J) is calculated taking the standard acceleration due to the earth's gravity(g), rounded up to the nearest whole number, that is 10m/s².