CommercialVehicle Product Datasheet
THE FlexMod™ FAMILY OF PRODUCTS
Easy wiring with
sealed connector
Two outputs &
48610 LowVoltage Disconnect
two inputs
The FlexMod unit preserves battery charge and protects
battery banks by automatically disconnecting loads when
battery voltage drops to a critical level. Part number 48710 is
dealer-programmable.
48636 LightingTimer
The FlexMod unit prevents the internal lights inside a
trailer from being left on and draining the battery. Vehicle
operator operates a momentary switch which turns lights
on, allowing safe operation inside the cargo compartment.
After 20 minutes the FlexMod flashes the lights and gives
the operator increasingly urgent warnings to either exit the
cargo compartment or reactivate the timer before the lights
go out. Part number 48736 is dealer-programmable.
Ultra-low
standby current
Compact unit
3” x 4” x 1”
Sealed to IP67. Can be
mounted anywhere
The FlexMod™ family is a series of small, robust electronic
modules. They have two inputs (one analog and one digital)
and two solid state outputs (one 10A, one 200mA) that can
be programmed to do almost any job.
48541 ElectronicVoltage Sensing
Relay &Timer
The FlexMod unit monitors both battery voltage and ignition
status, shutting down non-critical loads when the cutoff
voltage is reached, or at the set time after the ignition is
turned off. It is a timer and voltage sensor in one easy-to-
connect unit. Part number 48741 is dealer-programmable.
We have created some standard units (see below) to meet
specific application needs.
• Simple wiring, accepts snap-in standard sealed connector
– unit is easy to install. Part number with -01 suffix
includes wiring harness.
• FlexMod is auto-ranging – automatically senses the
voltage of the system (12 or 24V) and selects the presets
appropriate to that voltage. Single unit means less stock
and fewer SKUs.
Dealer Programming Of Units
FlexMod is a highly versatile unit that can be programmed
by dealers, and can be tailored to the specific applications
of customers. Parameters such as time, voltage, and current
limits are easy to customize, using straightforward
on-screen options.
• Ultra low 1mA standby current means minimal battery
drain – especially valuable when vehicle is in storage or
not in use.
• Factory programmable unit is highly versatile: with a broad
range of presets available to match any special application.
Our programming unit plugs into your computer, and to a
FlexMod, which can be programmed within minutes. The
system has the advantage of accessing the FlexMod via the
integral sealed connector. Unlike competitive products, it is
not an invasive process which compromises the waterproof
integrity of the unit.
• Rated for more than 1,000,000 on-off cycles – unit
operates for the lifetime of the vehicle. Solid state
technology gives long life and low maintenance.
• Provides overvoltage and overcurrent protection to every
direct load in that circuit– gives extra levels of protection.
Contact Littelfuse or one of our official dealers about
programmable products.
• Small lightweight sealed design – Uses less space;
mounts outside or inside. Saves money by eliminating
other hardware, and provides better wire routing.
.
DEALER NAME
LOCATION
PHONE NUMBER
Bert Block Associates
Grand Rapids, MI
+1 616-538-9419
48540 Smart Battery Isolator Controller
Diesel Equipment
Marsh Electronics
J & N
Greensboro, NC
Milwaukee, WI
Cincinnati, OH
Portland, OR
+1 800-222-7159
+1 800-926-2774
+1 800-366-7100
+1 503-288-4866
+44 1227 769784
The FlexMod unit monitors two battery banks and controls
one or more relays or contactors to make sure starting power
is protected by isolating the starting and auxiliary battery
banks. Part number 48740 is dealer-programmable.
ASE Supply
IJ Walsh
London, UK
3 of 4
littelfuse.com
© 2017 Littelfuse Commercial Vehicle Products
Rev: 053117
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