Patent ID: 11955954
Assignee: LS ELECTRIC CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 7:
8. The semiconductor circuit breaker of claim 7, wherein a snubber circuit unit for protecting the semiconductor switch is embedded in the first protection module, wherein the snubber circuit unit includes:
a first circuit line in which a first capacitor and a first diode are arranged in series;
a second circuit line connected in parallel with the first circuit line, and in which a second capacitor and a second diode are arranged in series; and
a third circuit line having one end connected to the first circuit line and the other end connected to the second circuit line, and in which a first resistor and a second resistor are arranged in series, and
wherein a ground terminal connected between front and rear ends of the first circuit line or the second circuit line, and a ground terminal connected between the first and second resistors of the third circuit line are connected to the first connection terminal.