Analysis of the reasons why the sand dust test box is not energized:
1. Check if the power supply is normal and the circuit breaker is closed.
2. Check if the phase sequence is normal. If the phase sequence indicator is not bright, replace any two of the three fire lines on the power input end.
3. Check if the fuse of the sand dust test box is intact. If it is damaged, replace it immediately.
The sand dust test box is suitable for testing the shell sealing performance of the product, and is mainly used for the tests of IP5X and IP6X specified in the enclosure protection level standard. It mainly simulates the damage caused by sandstorm weather to locks, automobile and motorcycle parts, seals, power meters and other products. Through testing, adding some protective nets or adding sand dust measures in the installation and operation of general equipment to improve the resistance and protection of the products to sand and dust.
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