These circuit breakers are fitted with an auto-reclosure, this means that they open automatically due to a fault, after a short delay they will reclose in an attempt to restore the supply.

• 这些断路器装有自动重合闸，这意味着他们自动打开，由于发生故障，在短暂的延迟后，他们将重合闸在试图恢复供应。