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Mike_Stanbro's avatar
Mike_Stanbro
Explorer II
Jan 04, 2014

Replacing fuses with circuit breakers for motor circuits

I recently purchased a Lance 855S truck camper. When I went to pick up my camper from the dealer, one of the 30 Amp fuses for the jack motors popped when the jack hit its upper limit. We didn't know ...
Truck Campers
camperpaul's avatar
camperpaul
Explorer
Jan 05, 2014
Mike Stanbro wrote:

-- snip -- it is not unreasonable to install a 30 amp fuse for the jack motor. But, as I have been somewhat preaching, a Type 1 circuit breaker is a much better protection choice as it is possible to exceed 30 amps when the jack hits the top or bottom end and stalls.


An even better choice is limit switches at both ends of the jacks travel.

Instead of the motor stalling and blowing a fuse or tripping a breaker, the limit switches just turn off power to the motor.

Anything else is SHODDY ENGINEERING.

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