Why a self-resetting circuit breaker isn't always better than a fuse!
Автор: The Musing Greg
Загружено: 2023-03-02
Просмотров: 11674
For the past 2 years of travelling around Australia, the caravan brake controller on our vehicle has randomly disconnected. Today I discovered the problem!
The power to the brake controller is protected by a 30A auto resetting circuit breaker. These circuit breakers actually just contain a simple thermostat to detect how much current is flowing through them - the more current flowing through them, the hotter they get until the thermostat trips and it will disconnect at the preset temperature / current until it cools down.
Here's a great video showing how it works:
• How auto resetting circuit breakers works ...
Here's the type of circuit breaker I'm talking about:
https://www.jaycar.com.au/chassis-mou...
The moral of the story is to understand how different components work and make sure the environment you put them in isn't going to cause unforeseen problems!
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