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4000W 48V charge controller for lithium or standard batteries – Maximum power for wind generators


IstaBreeze® Wind/Charge Controller

The IstaBreeze® Wind/Charge Controller provides intelligent control of your wind turbine while efficiently monitoring and controlling the charging process of your battery with the wind generator. This high-end device combines a discreet design with easy operation and integrated protection functions to significantly increase the service life and stability of your system, especially the batteries.

Key Features:

  • High quality components:

    • Use of external and robust solid-state components (Triacs & Hyper Mosfet) for an extended lifetime of the controller.
  • Efficient charging control:

    • Microprocessor-controlled charging with integrated voltage and current limitation.
  • Security features:

    • Electromagnetic brake control and integrated 3-phase short-circuit switch (brake switch).
    • Protection against lightning strikes and against overcharging, deep discharge, short circuit, overload and incorrect polarity.
  • Gentle turbine braking:

    • The generator is automatically braked gently when the battery is full. The modern braking system with external load resistance (dump load) prevents the turbine from blocking immediately and increases the service life of the stator.
  • Integrated monitoring:

    • The LCD display in the controller allows the display and monitoring of important operating parameters.
  • monitoring system:

    • The control electronics in the control cabinet monitors the mains voltage and brakes the wind turbine in the event of overvoltages.

The IstaBreeze® Wind/Charge Controller combines advanced technology with reliable protection measures to ensure maximum efficiency and safety for your wind turbine


Property Details
minimum battery voltage 42 V
Cables 10 mm² screw terminals
charging current wind ampere max. 70 A
Charging voltage 52,8 V
Cooling External aluminum cooling fins
Advertising LCD with 3 displays: Ampere, Watt, Battery Voltage
Dump load 4,0 KW braking resistor (The load resistance may differ from the illustration)
Integrated manual stop switch Maintenance
Class IP20 (indoor)
Nominal battery voltage 48 VDC
Max. input power of the wind turbine Nominal: 4 KW, Max: 5 KW
brake function Electromagnetic short circuit from 58V. Automatic brake at cooling temperature ≥ 50°C
brake function 3 dump loads (resistance), each active for 5 seconds
Operating temperature Standard: 20+55°C/3585% RH, Industrial: 30+55°C/3585% HR
Temperature compensation -4mV/°C/2V, -35°C to +80°C, Accuracy: ±1°C
Recommended battery Min. Acid & Gel or Lithium


4000W 48V charge controller for lithium or standard batteries – Maximum power for wind generators
4000W 48V charge controller for lithium or standard batteries – Maximum power for wind generators Services€950,00