IK code measures mechanical impact protection of enclosures. IK08 = withstands 5 joule impact (1.7kg dropped from 300mm). IK10 = withstands 20 joule impact (5kg dropped from 400mm). Higher IK = more robust enclosure.

IS 2147:2019 — Degrees of Protection Provided by Enclosures for Low Voltage Switchgear and Controlgear

IS 2147 : 2019

Degrees of Protection Provided by Enclosures for Low Voltage Switchgear and Controlgear

IEC 62262

CurrentFrequently UsedSpecificationBIMMEP · Electrical Installations

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Summary

IS 2147 extends the IP code (IS 4691) specifically for LV switchgear and controlgear enclosures, adding IK code for mechanical impact protection. IK08 (5 joules) is typical for indoor panels; IK10 (20 joules) for outdoor/industrial.

Classification and testing of enclosures for LV switchgear and controlgear, extending IP code to include protection against mechanical impact (IK code).

Key Values

IK085 joule impact (indoor panels)

IK1020 joule impact (outdoor/industrial)

Typical indoor panelIP42 IK08

Practical Notes

! For electrical panels, specify BOTH IP and IK ratings: e.g., 'IP55 IK10' for outdoor MCC panels.

! IK08 is adequate for indoor panels in controlled environments. IK10 for factory floors and outdoor.

! Indoor office DB (distribution board): IP40 IK07 minimum. Outdoor feeder pillar: IP55 IK10.

Cross-Referenced Codes

IS 4691:2018Degrees of Protection Provided by Enclosures ...

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IS 13947:1993Residual current operated circuit-breakers wi...

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switchgear enclosurecontrolgearIP ratingIK ratingLV panelMCC