Answer:
1. After unpacking, check whether the insulation cover of the pole-mounted circuit breaker is damaged, and whether the product nameplate and certificate of qualification are consistent with the actual product.
2.Before putting the pole-mounted circuit breaker into operation, carefully check whether the rated voltage and rated current of each operating element are consistent with the actual situation. And use the closing and opening methods of the mechanism to perform trial operation to check whether the various indicators are correct.
