26. GDT Identification & Basics

Question.5

A GDT is marked "CG230L" on its body.
What does "230" in the part number represent?

GST-Marking

GDT with marked “CG230L”

The maximum continuous operating voltage (230V AC)
The DC sparkover voltage — the voltage at which the GDT fires
The impulse sparkover voltage during a fast surge
The arc voltage during conduction

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