Samlexpower BBM-1225 - Protection Against Reverse Polarity of Battery Connection

10 | SAMLEX AMERICA INC.
Incaseofshortcircuitontheloadside,theexternal25AFuse(F2)ontheloadsidewill
blowbecauseofveryhighadditionalcurrentsuppliedbythebattery(Additionalbattery
currentsuppliedintotheshortcircuitontheloadside=Shortcircuitcurrentminus25A
fromtheexternalpowersupply).
i
INFO
 OvercurrentprotectionprovidedbyafuseisdeterminedbyitsTimeversus
CurrentCharacteristic.Forexample,basedontheTimeCurrentCharacteristics
of32V,25ABladeFuseTypeATC-25fromCooperBussmann,thefusecanpass
extremelyhighcurrentsforshorterdurationsasfollowsandwillblowat25A
continuousfor>100sec:
 • 550Afor10ms
 • 170Afor100ms
 • 40Afor1sec
 • 25Acontinuous(for>100sec)
5.4 PROTECTION AGAINST REVERSE POLARITY OF BATTERY CONNECTION
!
CAUTION!
Pleaseensurethatthepolarityofbattery/loadconnectionisnotreversed.This
unitdoesnotprovideprotectiontotheexternalpowersupply/loadagainst
reversepolarityconnection.Thisprotectionhastoprovidedbytheuserincase
thepowersupply/loaddonothaveintegralprotectionagainstreversepolarity.
Damagetotheexternalpowersupply/loadduetoreversepolarityofbattery/
loadconnectionisnotcoveredbywarranty.
SECTION 5 | Operation and Protections