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MSM General Description
The La Marche model MSM series uses proven High Frequency charging technology that is developed specifically
for Marine applications. The MSM unit incorporates power factor correction to achieve high efficiency and wide
AC input range. This filtered unit is designed and built to charge VRLA, Flooded Lead Acid and Nickel Cadmium
batteries. To increase the longevity of the batteries and the charger, thermal protection and external temperature
compensation is standard on the MSM. Integrated battery charge divider/isolator provides connections for
charging up to three independent battery banks simultaneously. The unit is built in a robust, non-corrosive
aluminum enclosure that in conjunction with the drip shield and conformal coated boards makes it a perfect
solution for Marine applications.
Understanding the Model Number
The MSM model number is coded to describe the charger and the options that are included. Find the model
number on the nomenclature nameplate of the charger. Then follow the chart to determine the configuration of
your battery charger.
Optional Accessories Included in the Unit
This unit may have been outfitted with a number of optional accessories or option packages. To find out what
options this unit has (if any) refer to the very first page of the manual package.
