| ﹛Main
inspection item,methods requirements |
| Items |
Methods |
Requirements |
| Dimension |
Use the gauges for measuring precision of 0.05 |
Accord with overall size requirement |
|
| Resistance tolera |
Use the instrument for test precision of ㊣5% |
㊣5% |
|
| Temperature rlse |
On rated power |
≒250⊥ |
|
| Occasiomal over-load test |
On 5, 10, 16 times rated power 10s |
No flame burning |
|
| Insulate resistance |
700V AC 1min㊣5s |
No breakdown or fly arc Insulation resistance >50M次 |
|
| Constant damp-heat |
Temperature 40㊣2⊥ Relative humidity 93㊣3% 96h |
㊣(5%+0.1次) Insulation resistance >50M次 |
|
| Vibration |
10‵100Hz acceleration 50m/s or 0.35mm vibrationㄗtake the min value ㄘ 1h |
㊣(5%+0.05次) |
|
| Low temperature resistance |
Temperatureㄩ-40㊣5⊥ Timeㄩ2h |
Insulation resistance >50M次 |
|
| High temperature resistance |
Temperatureㄩ+80㊣5⊥ Timeㄩ2h |
Insulation resistance >50M次 |
