I have got a 120 amp circuit breaker mounted next to my battery under the bonnet which powers my carpc and an amp. With both running at maximum power comsumption it would not draw more than 50 amps. I am in Melbourne, Australia and temps are getting around 44 celsius (~111F) and after about 20 mins of driving the circuit breaker trips from the heat and will not switch back on until it cools. I have tested this by pouring cold water over it (it is a sealed unit) and it switches back on straight away. Should this be tripping becuase of the heat or is the spring in the switch getting weak from the heat?
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