Inside a 125A DC circuit breaker. Unexpected arc quenching feature. скачать в хорошем качестве

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

Initially I thought this was going to be quite a complex breaker compared to a traditional AC circuit breaker, as it's a lot harder to break a DC arc. After initial disappointment at what appeared to be a fairly standard breaker inside with the usual bimetallic strip for detecting low level overloads and a solenoid for instant trip on very high current faults, I spotted the secret feature.... If you enjoy these videos you can help support the channel with a dollar for coffee, cookies and random gadgets for disassembly at:- http://www.bigclive.com/coffee.htm This also keeps the channel independent of YouTube's advertising algorithms allowing it to be a bit more dangerous and naughty.