Why does an overload automaton knock out during overload, and not a group one?
An ABB 3-pole SH203L C25 circuit-breaker is located on a support in the house in the metering panel, and an ABB 3-pole S203 C25 and the remaining circuit breakers with a rated shutdown of 6 kA are in the house in the distribution panel. When 2 heat guns are plugged into the outlet, an automaton that stands on a support is knocked out, and not an ABB S201 C16 submachine gun is connected in a separate group. What should be done?
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Hello! Put the B16 machine. It may be possible to achieve selectivity due to a different time-current characteristic. It is also worth checking if the machine is heating up on the support that knocks it out.