The standard BS EN 62262 relates to IK ratings, to identify the degree of protection provided by enclosures for electrical equipment against external mechanical impacts.
| IK Code | IK00 | IK01 | IK02 | IK03 | IK04 | IK05 | IK06 | IK07 | IK08 | IK09 | IK10 | IK11 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Impact energy (joules) | * | 0.14 | 0.2 | 0.35 | 0.5 | 0.7 | 1 | 2 | 5 | 10 | 20 | 50 |
| IK Code | IK00 | IK01 to IK05 | IK06 | IK07 | IK08 | IK09 | IK10 | IK11 |
|---|---|---|---|---|---|---|---|---|
| Impact energy (joules) | * | >1 | 1 | 2 | 5 | 10 | 20 | 50 |
| R mm (radius of striking element) | * | >10 | 10 | 25 | 25 | 50 | 50 | 50 |
| Material | * | polyamide | polyamide | steel | steel | steel | steel | steel |
| Mass kg | * | 0.2 | 0.5 | 0.5 | 1.7 | 5 | 5 | 10 |
| Free fall height m | * | * | * | 0.40 | 0.30 | 0.20 | 0.40 | 0.40 |
| Pendulum hammer | * | Yes | Yes | Yes | Yes | Yes | Yes | No |
| Spring hammer | * | Yes | Yes | Yes | No | No | No | No |
| Free fall hammer | * | No | No | Yes | Yes | Yes | Yes | Yes |