Rating for equipment and enclosures

Degrees of protection provided by enclosures for electrical equipment against external mechanical impacts in accordance with IEC 62262:2002 and IEC 60068-2-75:1997.

IK rate
IK01
IK02
IK03
IK04
IK05
IK06
IK07
IK08
IK09
IK10
Energy at the impact 
(Joule)
0,14
0,2
0,35
0,5
0,7
1
2
5
10
20
Mass (Kg)
0,25
0,25
0,25
0,25
0,25
0,25
0,5
1,7
5
5
Stroke down(mm)
56
80
140
200
280
400
400
300
200
400

 

IK00   Not protected.

IK01   Protected against 0.14 joules impact.

Equivalent to impact of 0.25 kg mass dropped from 56 mm above impacted surface.

IK02   Protected against 0.2 joules impact.

Equivalent to impact of 0.25 kg mass dropped from 80 mm above impacted surface.

IK03   Protected against 0.35 joules impact.

Equivalent to impact of 0.25 kg mass dropped from 140 mm above impacted surface.

IK04   Protected against 0.5 joules impact.

Equivalent to impact of 0.25 kg mass dropped from 200 mm above impacted surface.

IK05   Protected against 0.7 joules impact.

Equivalent to impact of 0.25 kg mass dropped from 280 mm above impacted surface.

IK06   Protected against 1 joules impact.

Equivalent to impact of 0.25 kg mass dropped from 400 mm above impacted surface.

IK07   Protected against 2 joules impact.

Equivalent to impact of 0.5 kg mass dropped from 400 mm above impacted surface.

IK08   Protected against 5 joules impact.

Equivalent to impact of 1.7 kg mass dropped from 300 mm above impacted surface.

IK09   Protected against 10 joules impact.

Equivalent to impact of 5 kg mass dropped from 200 mm above impacted surface.

IK10   Protected against 20 joules impact.

Equivalent to impact of 5 kg mass dropped from 400 mm above impacted surface.