3.5Fusesandcircuitprotection
Powersupplycircuitprotection
Thepowersupplymustbeconnectedusingan
appropriatelyratedandfusedswitchorthermalbreaker.
Thedrivetypedeterminestheratingofthebreakeror
fuserequired.
Driveunit
Supply
voltageFuse
Thermal
over-
current
circuit
breaker
0.5l
hydraulic
pump
12V15A10A
Type1
(Rotary,
Linearor
Hydraulic)
12or24V25A20A
12V40A30A Type2
(Rotary,
Linearor
Hydraulic)
24V30A30A
Type3(
Hydraulic
linear)
12Vor24V40A30A
I/O
12V15A10A
CRpump
(Solenoid)
12or24V10A10A
Internalfuses
Thecoursecomputerusesstandardautomotiveblade
fuses.Sparefusesarelocatedonundersideofthe
removablecover.
1.SeaTalk
ng
fuse.(Fusepowersupplyfromcourse
computertoSeaT alk
ng
backbone.
2.SeaTalkfuse.(Fusepowersupplyfromcourse
computertoconnectedSeaTalkdevices).
3.Powerfuse.(Fusetotalpowerconsumedby
system,includingthedriveunit.)
SeaTalk
ng
SeaTalkPower
SPX-10
2A2A15A
SPX-30
3A3A40A
SOX-
SOL
3A3A15A
3.6Grounding
Thesegroundingrequirementsareapplicablefor
Raymarineequipmentwithadedicatedgroundterminal.
•Thegroundterminalmustbeconnectedtoacommon
groundpoint.
•Itisrecommendedthatthecommongroundpointisa
bondedground,i.e.withthegroundpointconnected
tobatterynegative,andsituatedascloseaspossible
tothebatterynegativeterminal.Ifabondedground
systemisnotpossible,anon-bondedRFgroundmay
beused.
Bondedgroundsystem(preferred)