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Breaker trips when powered on

Breaker trips when powering up my pa amp

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  • Anonymous May 24, 2009

    How do I troubleshoot the powersupply problem?

  • fougzki May 11, 2010

    Whats your breaker rated current to trip? Or check your amplifier cord for any short circuit.



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2 Answers

Breaker trips after bout 5 minutes


Breakers trip because of heat.
When heat from wire exceeds breaker rating, it trips.
Something is causing heat on the wire, wire is too small for the amp draw, there is short circuit, or breaker is bad.
Replace breaker and/or test wire.

Put amp-meter on wire and read amp draw through wire.
Amps cause heat. That's why high voltage lines from power station are high-volt-low-amp so there is no heat loss with long distance transmission, until transformer at home converts electricity to lower volts and high working amps with enough power to run electrical devices.
Same is true for AC and DC circuits.
If amp reading on wire exceeds rating on breaker for length of time, then breaker will trip.
The fact that the breaker lets current (amps) to flow for a period of time before tripping is because the breaker is probably rated for slow-acting, or it takes a while for amp draw to heat the wire.

Following image shows amp-meter that clips over wire to get amp reading.
http://waterheatertimer.org/pdf/Which-is-best-gas-water-heater.pdf

Oct 31, 2012 | Electrical Supplies

1 Answer

Could this be a power surge?


More likely power went off line and when came back tripped the breaker......

Apr 18, 2012 | Televison & Video

1 Answer

When the welder is first turned on I can weld with gas for about 5 seconds. Then the breaker trips. ( i have the proper wiring and breaker). The more times I reset the breaker the shorter the weld time...


Hi:
Just make sure that if you are using an extension cable between your machine and the power outlet, this cable is at least a 12 gauge size, if you are using a 14 or 16 it's too small to handle the amps.
Other point is to check that your breaker is 20 or 30 Amp capacity.
Hope this help.

Sep 08, 2011 | Clarke Power Products Clarke 130EN...

1 Answer

Breaker installed on generator. Keeps tripping under no load after approx. 1 minute of generator running


A tripping circuit breaker is an indication of an overload. You say there is no load on the breaker - how are you making this determination? Are you using an amprobe or some other meter?

A circuit breaker with NO load shouldn't ever trip. Likewise a circuit breaker carrying up to 80% of of the current it is rated for shouldn't trip either. Circuit breakers that carry more than 80% of their load will trip - if the load remains connected long enough. This is called "duty factor" or "service factor" The greater the load is in excess of 80%, the less time that the breaker will carry it before tripping.

An example of a 100 amp breaker with different loads on it (this 100 amp value was chosen for ease of doing the math):

80 amps - never trips
85 amps - trips after 48 hours
90 amps - trips after 16 hours
95 amps - trips after 8 hours
100 amps - trips after 4 hours
105 amps - trips after a few minutes
120 amps - trips after a few seconds
150 amps - trips instantly

This is only an example to show how a certain circuit breaker might trip under a load less than the rating stamped on the body or handle.

A circuit breaker that trips with no load or a load equal to or less than 80% of its rating is most likely defective. You need an amprobe or ammeter for amp readings. If the load is found to be 80% or less, there may be an issue of harmonics that is causing the tripping. You'll need to have special equipment and qualified persons to check harmonic problems. Most harmonic problems occur when the loads are not linear device (transformers). Examples of non-linear devices are "switching" (or solid state) power supplies like those in computers.

I hope this helps and good luck. Please rate my reply. Thank you.

Apr 07, 2011 | GE Tjk436f000 3pole 400a 600vac Circuit...

1 Answer

No power to tstat


If you have no power to the cooler control, your breaker has tripped. Check it. Turn it off hard, and back on hard. If it trips again, you have a problem up top, with a motor, pump, that is pulling enough amps to trip breaker. This is all it can be on these units, no power from main breaker to unit control.
Shastalaker7
A/C, & Heating Contractor

Mar 29, 2011 | Mastercool 67471 Evaporative Cooler Air...

1 Answer

My crown 602 xls tripped a breaker, I reset breaker regained power to receptacle , I lost power to the amp no led's come on front when i pushed the small reset button on the back I still did not regain...


They use a breaker instead of a fuse.

http://www.retrevo.com/support/Crown-XLS-602-Amps-manual/id/19050ci763/t/2/

CONDITION: No

power to the amplifier.

POSSIBLE REASON:

• The amplifier's Power switch is off.

• The amplifier is not plugged into the power receptacle.

• The amplifier's high-voltage power supply circuit breaker has tripped. Verify that the AC mains

voltage is correct, then press the Circuit Breaker button on the back panel.


Take it to the ER.

Jan 12, 2011 | Crown XLS 602 2-Channel Amplifier

1 Answer

Our Robinair a/c recovery machine has power to the switch, but will not power up at all, any ideas?


Please do the following : 1# Check main 15 amp circuit breaker (located on back of the machine) it may tripped, reset the circuit breaker. If breaker tripped again after reset, the circuit breaker need to be replace.
2# Verify line voltage is present at input of main power switch & output at switch turn ON. If line voltage is not present at power switch input, check connections between power switch and AC plug. If line voltage is present at power switch input, but not at output with power switch turned ON, replace power switch.
3# If all proceeding steps tested ok & problem still exist, you may nee to replace The main control module.
Hope this will help you, if so please vote for it.

Jul 27, 2010 | Robinair Cool Tech 34700Z Recovery,...

2 Answers

Zanussi tc 7102w and when i turn it on it trips power


element short to ground.. coins hair pins clean try again

Aug 17, 2009 | Zanussi TC7102W Electric Dryer

2 Answers

3-pole 60 Amp Circuit Breaker is tripped and won't reset.


When this breaker tripped, it did not go fully to off. Push the breaker all the way off and then all the way to on. It should be fine. If not manually push it to full off once again and then back on. If both attempts fail the breaker will have to be replaced. good luck.

Jan 25, 2009 | RTO Cutler-hammergd3100 100amp 3pole...

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