IP与IK的分级
发布日期：2018-11-09
电气密封箱的防水、防尘防护程度为 IP 等级，其表达方式是下面所列的 2 个数字编码组合，健龙 根据 IEC529 及更新的 EN60529 4:1992 进行了 IP 测试。
两个测试方法中后者要求要对密封箱单独进行 IP66 和 IP67 的测试。其结果有时存在像 IP66/IP67 的两个 IP 标法，这表明对密封箱单独进行了两个等级的测试。
新的电气密封箱欧洲标准 EN50298:98 规定还要包括 IK 抗冲击测试。这里所提供的测试资料是根据 EN50102 进行的， 建龙正在根据新规则 EN50298:98
FIRST NUMBER
Protection against solid objects | SECOND NUMBER
Protection against liquids | IK CODE
Protection against mechanical impacts |
IP
|
TEST
|
IP
|
TEST
|
IK
|
TEST
|
0 | 
| no protection | 0 |
| no protection | 00 |
| no protection |
1 | protected against solid objects over 50 mm e.g. accidental touch by hands | 1 | protected against vertically falling drops of water | 01-05 |
impact < 1 joule
|
2 | protected against solid objects over 12 mm e.g. fingers | 2 | rotected against direct sprays of water up to 15 ° from the vertical | 06 |
impact 1 joule
|
3 | protected against solid objects over 2,5 mm (tools + small wires) | 3 | protected against sprays to 60° from the vertical | 07 |
impact 2 joule
|
4 | protected against solid objects over 1 mm (tools + small wires) | 4 | protected against water sprayed from all directions – limited ingress permitted | 08 |
impact 5 joule
|
5 | protected against dust – limited ingress permitted (no harmfull deposit.) | 5 | protected agains low pressure jets of water from all directions - limited ingress permitted | 09 |
impact 10 joule
|
6 
| totally protected against dust | 6 | protected against strong jets of water e g for use on shipdecks - limited ingress permitted | 10 |
impact 20 joule
|
| | 7 | protected against the affects of immersion between 15 cm and 1 m | | |
| | 8 | protected against long periods of immersion under pressure | | |
