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IEC62262 Mechanical Impact Protection IK rating Tester from IK01 to IK10
1. Introduction
Mechanical impact (IK) coding, or international mechanical
protection, is the degree of protection an enclosure provides
against harmful external mechanical impacts such as vandalism or
accidental contact.
IK Impact protection testing is performed against the requirements
of IEC / EN 62262 Degrees of protection provided by enclosures for
electrical equipment against external mechanical impacts (IK code).
It provides evidence of the suitability of the enclosure for its
intended environment. IK codes are used to identify the impact
energy applied, ranging from 0.14J to 20J (IK01 to IK10).
The test rigs are desgined according to IEC60068-2-75:
Test Eha: Pendulum Impact Hammer Testing Machine
Test Ehb: Spring Hammer Test Apparatus
Test Ehc: Vertical Impact Hammer Testing Machine
2. Specification
1). characteristics of striking elements
Energy/J | ≤1 ±10% | 2 ±5% | 5 ±5% | 10 ±5% | 20 ±5% | 50 ±5% | |
Equivalent mass±2%kg | 0.25(0.2) | 0.5 | 1.7 | 5 | 5 | 10 | |
Material | Nylon | steel | |||||
R/mm | 10 | 25 | 25 | 50 | 50 | 50 | |
D/mm | 18.5(20) | 35 | 60 | 80 | 100 | 125 | |
f/mm | 6.2(10) | 7 | 10 | 20 | 20 | 25 | |
r/mm | - | - | 6 | - | 10 | 17 | |
l/mm | Depends |
2). Fall height
Energy/J | 0.14 | 0.2 | (0.3) | 0.35 | (0.4) | 0.5 | 0.7 | 1 | 2 | 5 | 10 | 20 | 50 | ||
Equivalent mass/kg | 0.25 | (0.2) | 0.25 | (0.2) | 0.25 | (0.2) | (0.2) | 0.25 | 0.25 | 0 .25 | 0.5 | 1.7 | 5 | 5 | 10 |
Fall height±1%mm | 56 | (100) | 80 | (150) | 140 | (200) | (250) | 200 | 280 | 400 | 400 | 300 | 200 | 400 | 500 |
3). Degrees of protection against external mechanical impacts
IK01 | IK02 | IK03 | IK04 | IK05 | IK06 | IK07 | IK08 | IK09 | IK10 |
0.14J | 0.2J | 0.35J | 0.5J | 0.7J | 1J | 2J | 5J | 10J | 20J |
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