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Manage
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Battery Switches
Manage:
Wiring System Diagrams
One battery selector switch, one On/Off selector switch
automatic battery isolation and automatically charges
three batteries
Installation: Use for sailboats and trawlers. Third battery isolated
from other ship circuits. All batteries being automatically
charged while running through isolator. To be used for
refrigeration or other heavy load devices. Isolator protects
other batteries.
Switch selector usage:
1. Master disconnect 2. Emergency parallel function
Adding automatic battery charger/converters to system
Installation: At dockside multi-bank charger built in isolator
which will automatically charge lower battery.
12VOLT
BATTERY
12VOLT
BATTERY
ALT
STARTER
REFRIG
SELECTOR SW
ON/OFF
SWITCH
ENGINE
ISOLATOR
1
3
1 3
2
2
3
2
12VOLT
BATTERY
1
12VOLT
BATTERY
12VOLT
BATTERY
ALT
STARTER
BATTERY
CHARGER
BATTERY
SELECTOR
SWITCH
ENGINE
ISOLATOR
1
1
2
2
2
1
Three batteries, one battery selector switch, one On/Off or
selector switch, two alternators, one isolator
Installation: Isolator separates both alternators so both
alternators will charge simultaneously. Automatically charges
lowest battery first. All batteries can be used for start, third
battery, ship’s source.
12VOLT
BATTERY
12VOLT
BATTERY
ALT
STARTER
REFRIG
SELECTOR SW
ON/OFF
SWITCH
ENGINE
ISOLATOR
1
3
1 3
2
2
3
2
12VOLT
BATTERY
1
Exclusive flat 360
“sweep” contact
design provides
up to 60% more
contact area than
other switch
designs.
Alternator Field Disconnect (AFD)
Allows selection of any position, including “Off,” without
damage to alternator or electrical system. AFD is required
on some electrical systems.
• Heavy-duty copper sweep contacts
• Positive click-stop on all positions
• “Make before break” contacts allow selection of all
positions except “Off” while engine is running
• New design is easy to retrofit into existing hole patterns
• Use with 6, 12, 24 or 36V systems
• Built-in skirt protects connections
• Surface or rear panel mounting
• Marine grade construction
Important Note: The boater’s electrical needs and
problems should be discussed with your
boatyard’s electrical technician.