Отзывы о Мультитул STINGER FK-020OR с чехлом
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STINGER FK-020OR с чехлом?
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That brings us to another piece of missing information - the steady state current draw on the coil. That number I can measure on my bench power supply. When the contactor is at room temperature and is activated with a typical automotive voltage of 13.5v dc, it draws nearly 500 mA - about 6-1/2 watts. That seems high so I decided to see if just the coil current alone would heat up the relay. It did. By 100 degrees Fahrenheit !! In the second photo the relay body is running a cozy 168 degrees F (75.6 degrees C). Remember, there is no current flowing on the main contacts which would add even more heat.
This device was rated pretty well here on Amazon and should work fine for intermittent duty like switching a small starter motor. As a continuous duty load disconnect relay, not so much. It's going back to Amazon. Three stars for the utter lack of specifications.
dass alles aus ist im kofferaum....
weil ich 2 endstufe drine habe...
mann kann auch da eine 2 battarie da zuschalten
This is not likely a big enough isolator to use for a dual battery system depending on how you set it up. If your aux/2nd battery only powers extra devices, and the crank battery still powers all the stock stuff in your car, this should be fine. If you have a system where the isolator interrupts the crank battery and has the 2nd one power everything while the car is off, this is not the one for you.
As a few people have noted, this relay seems to get particularly hot just by having it engaged, which has me wondering if the coils are too low of a resistance, and if maybe I could add a resistor to it to reduce that power consumption, at the cost of a higher minimum voltage to engage. Something to think about.
In addition to that, the terminals for the coil (the ones you power to engage the relay) are relatively difficult to tighten/loosen, thanks to them being tucked so close to the body of the relay, and the little divider between them (presumably there to prevent a short circuit, but you should have a fuse to prevent any damage from that anyways).
Overall, it's an okay relay. It does its job, but with a little more thought during design it could have been much better. Personally I would have only spent ~$12 had I known this beforehand.






