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I have a question for anyone who owns a Kenwood K2AT hand held and uses
an external DC Power supply. Page 9 of the owner's manual says that the
voltage must be between 12.0v and 16.0v (page 9) but does not say what
the amps should be. I read somewhere out there that 1.8A should be used.
However, the picture in the owner's manual shows a DC cable (the PG-2W)
with 4A fuses. Other radio's use 3A, so I am wondering if the K2AT can
handle 3A, especially considering that the PG-2W has 4A fuses in it.

Is 3A safe for my K2AT?

thanks,

Jim

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"James Barrett" wrote in message
. ..
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I have a question for anyone who owns a Kenwood K2AT hand held and uses
an external DC Power supply. Page 9 of the owner's manual says that the
voltage must be between 12.0v and 16.0v (page 9) but does not say what
the amps should be. I read somewhere out there that 1.8A should be used.
However, the picture in the owner's manual shows a DC cable (the PG-2W)
with 4A fuses. Other radio's use 3A, so I am wondering if the K2AT can
handle 3A, especially considering that the PG-2W has 4A fuses in it.

Is 3A safe for my K2AT?

thanks,

You are not the only one to ask the same question.

The radio will only draw as much current as it needs. It is only the
voltage that maters and it must be what the rig is rated for. The power
supply must be able to put out the ammount of current needed or more. As
long as the voltage is within the correct range, you could hook it up to a
100 amp supply if that is what you have.
You should have a fuse in the line rated at whatever the manufactor says.
This will reduce the damage and save the wiring and power supply if
something does gowrong with the Kenwood.

Think of it as hooking up somethin to the 120 volt AC outlet in your house.
As long as the device is rated around 120 volts AC it will only take what it
needs, be it a 5 watt night light or a 1200 watt heater or hair dryer.

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Ralph Mowery wrote:
"James Barrett" wrote in message
. ..
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I have a question for anyone who owns a Kenwood K2AT hand held and uses
an external DC Power supply. Page 9 of the owner's manual says that the
voltage must be between 12.0v and 16.0v (page 9) but does not say what
the amps should be. I read somewhere out there that 1.8A should be used.
However, the picture in the owner's manual shows a DC cable (the PG-2W)
with 4A fuses. Other radio's use 3A, so I am wondering if the K2AT can
handle 3A, especially considering that the PG-2W has 4A fuses in it.

Is 3A safe for my K2AT?

thanks,

You are not the only one to ask the same question.

The radio will only draw as much current as it needs. It is only the
voltage that maters and it must be what the rig is rated for. The power
supply must be able to put out the ammount of current needed or more. As
long as the voltage is within the correct range, you could hook it up to a
100 amp supply if that is what you have.
You should have a fuse in the line rated at whatever the manufactor says.
This will reduce the damage and save the wiring and power supply if
something does gowrong with the Kenwood.

Think of it as hooking up somethin to the 120 volt AC outlet in your house.
As long as the device is rated around 120 volts AC it will only take what it
needs, be it a 5 watt night light or a 1200 watt heater or hair dryer.




Would it be safe to connect my HT directly to a 12v car battery? If the
HT will only draw the amperage it needs, and the voltage is within the
specs, it should be safe, right?

Thanks,


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James Barrett wrote:




Would it be safe to connect my HT directly to a 12v car battery? If the
HT will only draw the amperage it needs, and the voltage is within the
specs, it should be safe, right?

Thanks,



I answered my own question. car batteries tend to have voltage spikes,
which would damage the HT. Just wanted to throw this out in case anyone
else ever has the same question.

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In article ,
James Barrett wrote:

Would it be safe to connect my HT directly to a 12v car battery? If the
HT will only draw the amperage it needs, and the voltage is within the
specs, it should be safe, right?

Maybe yes, maybe no.

Some HTs require _less_ than 12 volts, and will be damaged by the
higher voltage. This should be clear in the manual.

A car's electrical system as a whole is a less safe thing to connect
an HT to than an isolated car battery, if the vehicle is being
operated. A vehicle's voltage distribution system is subject to
voltage spikes and surges (in particular, due to a phenomenon called
"load dump" e.g. turning the lights off while the engine is running).
Car electronics usually requires that the device be able to withstand
a load-dump spike of up to 50 volts. Many HTs won't survive this.

The manufacturer-recommended "plug into cigarette-lighter outlet"
adapters for HTs often include some filtering and spike suppression
circuitry.

--
Dave Platt AE6EO
Friends of Jade Warrior home page: http://www.radagast.org/jade-warrior
I do _not_ wish to receive unsolicited commercial email, and I will
boycott any company which has the gall to send me such ads!

James Barrett wrote:


I answered my own question. car batteries tend to have voltage spikes,
which would damage the HT.


They tend to have what now?

73 ..... WA7AA