Will this 3 amp breaker work on a heat pump replacing the fuse and trip the breaker if a short is present in the 24 volt control wiring ? Is this breaker for ac current & dc current ? Thank You
The dc rating of switch or relay contacts is always lower than ac due to dc current, especially with an inductive load, arcing more and longer when the circuit breaks.
On some circuits a reverse diode can be fitted across the contacts to reduce arcing and on ac a small value capacitor can have a similar effect.
Most switches and breakers have ratings for ac and dc and are suitable within those ratings. Switches that are primarily designed for dc inductive loads generally have a rapid spring assisted make and break.
I think the answer to your question is yes.
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SOURCE: Heat pump trips circuit breaker
i want to know the size of breaker to use.we are using a 30,30,30,30but it is kicking off.would a 40,40,40,40or higher be better if they sell them.
SOURCE: Pond pump trips circuit breaker
The circuit breaker trips because there is an electrical short in the pump itself or in the wire feeding the pump. A cause of this could be a bare wire, or a crack in a wire. Remove the pump and put it in a five gallon pail of water and test it. If it still trips the breaker you will know the problem is in the pump or the cord to the pump.
SOURCE: I have 60 amp circuit breaker on my electrical a/c
You're unit is a 31/2 ton according to the numbers.Normally, breakers will only be in a half way posistion when tripped. Yes, under most conditions, the fuse will blow before the breaker trips. I have seen this many times, the breaker may be weak, burned, loose wires and so tighten wires, check the condition of the breaker.It sounds like the breaker even though it is 60 amps, is the problem and you should replace it with out hesitating. This will solve you're problem. When you pull the breaker out, look at the metal clips that snap in on the buss bar to see if they have been overheating.And the buss bar its self. You will know. I am sure this will take care of you're problem. Good Luck,
Shastalaker7
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SOURCE: AC runs for 5 minutes and then circuit breaker
What else do you have running on hydro while AC is running? Such as coffee maker, microwave, water heater, fridge. That 30 amp breaker is your main breaker I assume, or breaker on pole your plugged in to. Keep in mind your AC will normally draw approx. 15-17+ amps momentarily when compressor kicks in to cool, then drop back to 12-15 amps when running normal. If your AC is drawing too much current, then you would only normally trip 20 amp breaker for AC in your panel. Try switching other appliances to gas operation while running AC, such as water heater, and fridge. Make sure incoming voltage is up to specs as well . (115-120 volts)
If water heater takes 5-8 amps, and fridge takes same when they are calling for power, you'll be close or over the 20amp mark when you consider your on board converter etc. as well. That only leaves approx 10 amps for AC that requires approx 15 amps to run, and up to 20amps when compressor kicks in. If you switch all those other items over to propane, and it still happens, then a current draw test should be done on AC unit to see if perhaps a capacitor is faulty, or possible compressor faulty.
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