Recommended

Inside a 125A DC circuit breaker. Unexpected arc quenching feature.

bigclivedotcom

Why people recommend it

Big Clive shows why a DC arc keeps burning where an AC arc dies at the zero crossing, explaining why DC breakers need magnets and arc chutes.

Watch for: Relevant to anyone switching DC at higher voltages

In their words

For a bonus, here is a teardown from famed Youtuber Big Clive.

Spehro 'speff' Pefhany on electronics.stackexchange.com, Nov 2024. CC BY-SA.

If you liked this