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  9. Blue Sea Systems 7725 User manual

Blue Sea Systems 7725 User manual

PN 7725 / PN 7725B
PN 7725 includes a connector plug for the ATO®/ATC® fuse circuits

TheBlueSeaSystemsSafetyHub100isanignition-protectedfuseblock
withanintegratedconnectingplug.Itconsolidates1A–200Afuses,andcan
bewireddirectlytothebattery(forunswitchedfuseprotection)orafterthe
batteryswitch(forswitchedfuseprotection).

]Disconnectallbatteryconnectionsbeforebeginningtheinstallation.
]BlueSeaSystemsstronglyrecommendsthatacompetentelectrical
 professionalperformtheinstallationofthisproduct.
GUARANTEE:BlueSeaSystemsstandsbehinditsproducts
foraslongasyouownthem.Finddetailedinformationat
www.bluesea.com/about.Forcustomerservice,call800-222-7617.
MarineElectricalProd
ucts
SafetyHub 100 Fuse Block
BlueSeaSystemsInc.  p360.738-8230
425SequoiaDrive   f360.734-4195
Bellingham,WA98226USA [email protected]
    www.bluesea.com
980004720Rev.004
Specications
WARNING
AmperageMaximumOperating(combined)  (seetablebelow)
NominalOperatingVoltage   12VDC
MinimumInputCableSizetoMeetRatings  4/0AWG(120mm²)
RecommendedRingTerminal   M8(5/16”)
StudSize     M8x1.25
StudTorque    15ft-lb(20.3N-m)
AMI®/MIDI®FuseBlock
AmperageMaximumOperating(perblock)  240A†
AmperageMaximumOperating(percircuit)  170A†
FuseAmperagesAvailable   30A–200A
MinimumCableSizetoMeetRatings  2/0AWG(70mm²)
ScrewSize    M5x.8x10
ScrewTorque    27in-lb(3.0N-m)
ATO®/ATC®FuseBlock
AmperageMaximumOperating(perblock)  50A†
AmperageMaximumOperating(percircuit)  20A†
FuseAmperagesAvailable   1A–20A
Regulatory
Emarked
MeetsISO8846ignitionprotectionandSAEJ1171externalignitionprotectionrequirements.
IP66—protected against powerful water jets
InputWireSizeandCurrentDeratingTable
† Ratingsaredependentoninputcablesizedforappropriateamperages.
Unlatchthetwoyellowtabsonthefusecovertoaccessfuses.
TheATO®/ATC®FuseBlockoftheSafetyHub100isusedforlow-ampcircuits.
Thetotalcontinuousamperageofthisblockmustnotexceed50A.
TheAMI®/MIDI®FuseBlockoftheSafteyHub100isusedforhigh-ampcircuits.
Thetotalcontinuousamperageofthisblockmustnotexceed240A
AWGWireSize MetricWireSize AmperageMaximumOperating(combined)
4/0AWG 120mm² 280A
2/0AWG 70mm² 225A
1AWG 50mm² 180A
4AWG 25mm² 125A
PN 7725 / PN 7725B
PN 7725 includes a connector plug for the ATO®/ATC® fuse circuits

TheBlueSeaSystemsSafetyHub100isanignition-protectedfuseblock
withanintegratedconnectingplug.Itconsolidates1A–200Afuses,andcan
bewireddirectlytothebattery(forunswitchedfuseprotection)orafterthe
batteryswitch(forswitchedfuseprotection).

]Disconnectallbatteryconnectionsbeforebeginningtheinstallation.
]BlueSeaSystemsstronglyrecommendsthatacompetentelectrical
 professionalperformtheinstallationofthisproduct.
GUARANTEE:BlueSeaSystemsstandsbehinditsproducts
foraslongasyouownthem.Finddetailedinformationat
www.bluesea.com/about.Forcustomerservice,call800-222-7617.
MarineElectricalProd
ucts
SafetyHub 100 Fuse Block
BlueSeaSystemsInc.  p360.738-8230
425SequoiaDrive   f360.734-4195
Bellingham,WA98226USA [email protected]
    www.bluesea.com
980004720Rev.004
Specications
WARNING
AmperageMaximumOperating(combined)  (seetablebelow)
NominalOperatingVoltage   12VDC
MinimumInputCableSizetoMeetRatings  4/0AWG(120mm²)
RecommendedRingTerminal   M8(5/16”)
StudSize     M8x1.25
StudTorque    15ft-lb(20.3N-m)
AMI®/MIDI®FuseBlock
AmperageMaximumOperating(perblock)  240A†
AmperageMaximumOperating(percircuit)  170A†
FuseAmperagesAvailable   30A–200A
MinimumCableSizetoMeetRatings  2/0AWG(70mm²)
ScrewSize    M5x.8x10
ScrewTorque    27in-lb(3.0N-m)
ATO®/ATC®FuseBlock
AmperageMaximumOperating(perblock)  50A†
AmperageMaximumOperating(percircuit)  20A†
FuseAmperagesAvailable   1A–20A
Regulatory
Emarked
MeetsISO8846ignitionprotectionandSAEJ1171externalignitionprotectionrequirements.
IP66—protected against powerful water jets
InputWireSizeandCurrentDeratingTable
† Ratingsaredependentoninputcablesizedforappropriateamperages.
Unlatchthetwoyellowtabsonthefusecovertoaccessfuses.
TheATO®/ATC®FuseBlockoftheSafetyHub100isusedforlow-ampcircuits.
Thetotalcontinuousamperageofthisblockmustnotexceed50A.
TheAMI®/MIDI®FuseBlockoftheSafteyHub100isusedforhigh-ampcircuits.
Thetotalcontinuousamperageofthisblockmustnotexceed240A
AWGWireSize MetricWireSize AmperageMaximumOperating(combined)
4/0AWG 120mm² 280A
2/0AWG 70mm² 225A
1AWG 50mm² 180A
4AWG 25mm² 125A
WiringDiagram
InstallationInstructions
Mounting
InstalltheSafetyHub100inareadilyaccessiblelocationascloseaspossibleto
thebattery.Toavoidcorrosiontoconnectingwiresandterminals,mountinadry
andprotectedlocation.Avoidmountingdirectlyaboveventedleadacidbatteries
sothattheSafetyHub100FuseBlockisnotexposedtocorrosivegassesfrom
thebatteries.Wherepossible,mounttheSafetyHub100inaverticalorientation.
Forhelpselectingtheappropriatewiresizeandcircuitprotectionrating,referto
theCircuitWizardatwww.circuitwizard.bluesea.com
HighCurrentInputConnection
TousetheSafetyHub100asanunswitchedfuseblock,connectthepositive
batteryterminaldirectlytotheinputstudontheSafetyHub100.Tousethe
SafetyHub100asaswitchedfuseblock,connecttheoutputofthebattery
switchtotheinputstudontheSafetyHub100.TorquetheSafetyHub100input
connectionto15ft-lb.
AMI®/MIDI®FuseCircuitConnections
Toconnecthigh-amploadssuchasanenginestartingcircuit,distributionpanel,
orwindlass,usethenumberedhigh-ampstuds.
Note: Wires used for engine starting do not require circuit protection.
If you choose not to fuse the engine starting circuit, use the PN 7732 Engine
Circuit Link Bus instead of a AMI®/MIDI® fuse. Do not use the 7732 Link Bus
for any other purpose.
ATO®/ATC®FuseCircuitConnections
Toconnectlow-amploadssuchasabilgepump,VHFradio,clockmemory,or
alarm,connecttotheSafetyHub100plugreceiver.PN7725includesawire
harnessfortheseconnections.
CONNECT TO DEVICE
USING ATO®/ATC®
FUSE CONNECTOR PLUG
12V
For unswitched circuit protection the
SafetyHub 100 is connected directly
to the battery for boats at moorage.
AMI®/ MIDI®FUSE CIRCUITS
ATO®/ATC®FUSE
CIRCUITS
For switched circuit protection the
SafetyHub 100 is connected after the battery
switch for trailer or dry storage boats.
CONNECT TO DEVICE
USING ATO®/ATC®
FUSE CONNECTOR PLUG
SWITCHED ATO®/ATC®
FUSE CIRCUITS
CONNECTOR
PLUG
FUSE
COVER
FUSE
COVER
MOUNTING
HOLE
SWITCH
MOUNTING
HOLE
CONNECTOR
PLUG
MOUNTING
HOLE
INPUT
STUD
MOUNTING
HOLE
INPUT
STUD
12V
SWITCHED AMI®/ MIDI®FUSE CIRCUITS
WiringDiagram
CONNECT TO DEVICE
USING ATO®/ATC®
FUSE CONNECTOR PLUG
12V
For unswitched circuit protection the
SafetyHub 100 is connected directly
to the battery for boats at moorage.
AMI®/ MIDI®FUSE CIRCUITS
ATO®/ATC®FUSE
CIRCUITS
For switched circuit protection the
SafetyHub 100 is connected after the battery
switch for trailer or dry storage boats.
CONNECT TO DEVICE
USING ATO®/ATC®
FUSE CONNECTOR PLUG
SWITCHED ATO®/ATC®
FUSE CIRCUITS
CONNECTOR
PLUG
FUSE
COVER
FUSE
COVER
MOUNTING
HOLE
SWITCH
MOUNTING
HOLE
CONNECTOR
PLUG
MOUNTING
HOLE
INPUT
STUD
MOUNTING
HOLE
INPUT
STUD
12V
SWITCHED AMI®/ MIDI®FUSE CIRCUITS
InstallationInstructions
Mounting
InstalltheSafetyHub100inareadilyaccessiblelocationascloseaspossibleto
thebattery.Toavoidcorrosiontoconnectingwiresandterminals,mountinadry
andprotectedlocation.Avoidmountingdirectlyaboveventedleadacidbatteries
sothattheSafetyHub100FuseBlockisnotexposedtocorrosivegassesfrom
thebatteries.Wherepossible,mounttheSafetyHub100inaverticalorientation.
Forhelpselectingtheappropriatewiresizeandcircuitprotectionrating,referto
theCircuitWizardatwww.circuitwizard.bluesea.com
HighCurrentInputConnection
TousetheSafetyHub100asanunswitchedfuseblock,connectthepositive
batteryterminaldirectlytotheinputstudontheSafetyHub100.Tousethe
SafetyHub100asaswitchedfuseblock,connecttheoutputofthebattery
switchtotheinputstudontheSafetyHub100.TorquetheSafetyHub100input
connectionto15ft-lb.
AMI®/MIDI®FuseCircuitConnections
Toconnecthigh-amploadssuchasanenginestartingcircuit,distributionpanel,
orwindlass,usethenumberedhigh-ampstuds.
Note: Wires used for engine starting do not require circuit protection.
If you choose not to fuse the engine starting circuit, use the PN 7732 Engine
Circuit Link Bus instead of a AMI®/MIDI® fuse. Do not use the 7732 Link Bus
for any other purpose.
ATO®/ATC®FuseCircuitConnections
Toconnectlow-amploadssuchasabilgepump,VHFradio,clockmemory,or
alarm,connecttotheSafetyHub100plugreceiver.PN7725includesawire
harnessfortheseconnections.

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