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Power Management Systems
Battery Monitor with System Fuse:
goodbye to the days of wondering if your
batteries are charged and ready to go
boating. MasterShunt takes analog data from
the batteries and converts it to precise digital
information that can be displayed on the
MasterView Easy Remote Panel.
System Status and Control:
Provides extensive battery status information
including voltage, current, amp hours, time remaining and remaining capacity
in percentage. Programmable event functions include auto-generator-start when
batteries are nearing complete discharge. Historical data and an error counter
provide complete insight into the electrical system so you can take preventive
measures. Designed to work with the MasterView Easy Remote Panel and DC
Distribution 500 to form an integrated power management system. Displays the
information from one battery bank. Usually used with the house bank.
Functions Monitored with Ranges:
0-60V (0.1V resolution), 0-10A: 0.2A resolution,
10-100A: 0.5A resolution, 100-1000A: 5A resolution, Time remaining 0-480 hours
(1 min resolution)
300A contin., 400A for 10 min., 500A for 5 min.,
600A for 2 min.
Max. Battery Bank:
Max. battery bank size: 10,000Ah
Event-based actions, alarms, timers, auto stop/start for generator
5 7/8"L x 5 7/8"W x 2 1/2"D
/ 10mA(@27.2V) Normal operation mode
Includes T-fuse (500A
intermittent, 300A continuous)
MVOLT# 77020100 ShWt 4.1
DC Distribution 500
Space limitations on boats often
lead to complex installations and
fuses in inaccessible places. DC
Distribution 500 offers central
fusing of DC power products in
a compact, accessible, simple
design. Includes four ANL
fuses and one spare. Includes
negative bus. Comes with allen
wrench, 1.6' of network cable,
cable protection. DC distribution
fuses are monitored and can be
displayed on MasterView Easy
Remote Panel, Model 10976280.
Fusing for DC power products/negative ground connection. Includes
fuse monitoring alarms
80A, 80A, 125A, 150A and spare 80A, all
12V/24V or 48V
500A intermittent/300A continuous
5 7/8"L x 7 7/8"W x 2 1/2"D
MVOLT# 77020200 ShWt 4.6
MasterShunt 500 and DC Distribution connected
with optional strain relief
MasterBus Mass Combi Interface
For use with Mass Combi Inverter/Chargers, this
small module integrates the Mass Combi Inverter/
Charger with the MasterView Easy touchscreen
remote panels for information display, control and
monitoring of your devices. 2 5/8"L x 3"W x 1 5/16"D.
MVOLT# 77030475 ShWt .5
These microprocessor controlled DC-DC converters
use switch-mode technology to safely operate 12V
DC equipment from onboard 24V power systems.
The MAC converter has two main functions: to
convert 24V from the onboard power system to 12V
for navigation and communication equipment or to
charge a 12V DC battery with a three-step charge
characteristic. The MAGIC model offers full galvanic
isolation between the input and output circuitry which
filters out interference for more reliable electronic
component performance. The MAGIC model can
be used as a stabilized 12V power supply from a
24V battery bank, to charge a 12V battery with a
three-step charge characteristic or as a 24V to 24V
isolator/stabilizer in a 24V DC system. Both models
function as an energy-efficient dimmer for up to
250 watt, multiple light installations and include a
communication port for remote control.
MAC & MAGIC Series DC-DC Converters
The DC voltage requirements of onboard equipment
vary considerably. The demands of a bow thruster
or winch are entirely different than that required by
sensitive electronic equipment. Installing a DC-DC
step-down converter allows you to supply stable,
continuous nominal 13.6V output voltage to all your
12V components regardless of the demand upon
your 24V power system.
DC Master DC-DC Converters
MAC 24V 13.6V 20A No 7 1/2"L x 5 1/8"W x 2 3/8"D 2.3lb.
MAGIC 24V 27.2V 20A Yes 8 7/8"L x 6"W x 3 3/16"D 7lb.
10A 3 1/2"L x 3 1/2"W x 2"D 9.5oz.
12V 12A 18A
5"L x 3 3/8"W x 2"D 14.3oz.
12V 50A 60A 11 13/16"L x 3"W x 4 5/16"D 2.6lb.
Battery Temperature Sensor
MVOLT# 41500500 ShWt .5
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