Best.-Nr. 6448 13.8V POWER SUPPLY 0-12Amps
The Best-Nr 6448 13.8V power supply is a high quality switch mode power supply with a
particularly smooth output current. Using switch mode technology gives greater efficiency
and reduces the weight and size of the power supply compared to other systems
Technical Data :
Input voltage range : 220 ~240V AC 50Hz 180VA
Output voltage : 13.8V DC regulated
Output current rating: 0~12amp
Output connections : 4mm Banana/Clamp Type
Operating Instructions :
* Disconnect the power supply from AC mains power before connecting device
to the power supply
* Connect the device to the power supply ensuring the correct polarity, RED is positive,
BLACK is negative
* Connect the power supply input AC lead to a mains socket and switch the socket On, where a
switch is fitted.
* Switch the power supply ON with the switch on the front of the unit, the " Power On " LED
will illuminate, and the unit will commence supply of power to the device
Warnings :
* For indoor use only.
* Do not allow to become wet.
* Power supply may become warm during use or emit a slight buzzing sound, this is quite normal
and can be disregarded
* Do Not attempt use with device requiring greater current than 12 Amps
* Do Not attempt to open the power supply casing, as there are no user serviceable parts inside,
and this may affect the warranty
* Only connect to AC mains outlet when in use, at all other times disconnect the power supply
from AC mains outlet.
* Do ensure correct polarity when connecting device to the power supply, as damage to this
device may occur if incorrect connections are made
* Do place the power supply on a non flammable surface when in use.
* If the external flexible cable or cord of this transformer is damaged, it shall be replaced by
the manufacturer or his service agent or a similar qualified person in order to avoid a hazard
Graupner GmbH & Co.KG, Henriettenstr. 94-96, 73230 Kirchheim/Teck, Germany
