Item number: 3260
EAN: 4250497811931

Charge controller MPPT Tracer A 12-24V

Für alle gängigen Modultechnologien, optimal für Solarsysteme mit Modulspannungen, die höher sind als die Batteriespannung.

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Charging current

Solar charge controller Tracer A series


  • innovative MPPT technology
  • highest efficiency up to 99.5%
  • “ultra-fast” recording speed
  • precise recognition of multiple maximum power points (MPP)
  • multi-functional LCD display 
  • manual setting options of battery types, load management, etc.
  • 3-step charging with PWM output
  • positive grounding at (+) pole
  • RS485 interface with MODBUS industry standards
  • via PC software multiple fully programmable functions


MPPT (Max Power Point Tracking) allows the optimal use of the complete power of your modules. 

For most commonly used module technologies and module with optimal module voltages higher than the battery voltage.
You can also use modules that are usually used in grid-connected PV installations.

The Maximum Power Point of solar modules changes depending on multiple factors, e.g. module temperature, irradiation, type of module etc. This point of operation is constantly monitored by the internal microcontroller and adapted if necessary to get the maximum power of every module to charge the batteries.


This can be visualized with an example (130W module). 
MPPT voltage  = 17.5 V, MPPT current = 7.42 A, resulting in 17.5 V x 7.42 A = 130 W.
If the module is connected to the MPPT charge controller, the voltage is constant at 17.5 V.

However, if the module is connected to a normal controller with a 12 V battery, the module voltage is 12 V accordingly.
At full irradiation the module would deliver 12 V and 7.42 A, resulting in 12 V x 7.42 A = 89 W.

The advantage: the MPPT charge controller increases the output of your modules by up to 40 % compared to a regular charge controller.

More power advantages

In PV systems, lead-acid, lead-gel and lead-fleece batteries are used most commonly for storing energy. Lead-batteries need protection from discharging and overcharging. The MPPT solar charge controller meets both requirements and additionally maintains the batteries automatically through an intelligent maintenance function.
The switching thresholds for over- and under-voltage, load disconnection and reset voltage are controlled precisely and temperature-independent by the internal microcontroller. These switching thresholds are user selectable and freely programmable via PC-software.


With the Display MT50 or an adapter cable in combination with the integrated software, the charge controller can be controlled and monitored. Additionally, monitoring of the controller is possible via the PC-software. 
4 battery types are selectable. In the battery type User, voltages are selectable and programmable via software (e.g. for lithium batteries).
A switchable load port allows the user to switch on and off every load connected to the solar controller with a simple press on a button or via the PC-software.
The load output will be cut off in case of undervoltage. As soon as the voltage reaches a preset threshold, the load output is reconnected.
2 timers can control a night-light as soon as the regulator recognizes "night" through the solar module.
Yield data and system parameters can be recorded with the PC-software.
The optional Display MT50 offers monitoring and control options as well.


  • MPPT (Max Power Point Tracking)
  • maximum charging current 40 A
  • automatic system voltage recognition 12/24 V
  • solar input: module open-circuit voltage from 5 V to 100 V
  • battery deep discharging protection, overcharging protection, overload protection
  • RS485-interface, MODBUS protocol 
  • monitoring via PC-software or Display MT50
  • temperature-dependant adaptation of charging parameters
  • load port with switch-off possibility
  • battery types selectable (lead-acid, AGM, Gel, User)

Technical data MPPT Tracer A series
Rated battery voltage 12/24 V DC (automatic)
Module open-circuit voltage   up to 100 V DC
Max. module power type-dependant  
Max. charging current 10 - 40 A (type-dependant)
Self-consumption           <20 mA (12 V) / <16 mA (24 V)
Temperature range -25°C to +45°C
Protection class IP30
Dimensions see instructions
Weight see instructions
Connection clamps 4-16 mm²


Optional accessories

External temperature sensor (2069), PC adapter cable-USB (2762), monitoring software, Display MT50

Mounting instructions / monitoring software

Betriebsanleitung download Betriebsanleitung download software download
German English Software
Controllertype: MPPT
Shipping weight: 5,00 Kg



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