With the revolutionary elgris “ZERO EXPORT” solution the amount of solar energy is controlled to prevent export to the grid. Alternatively, a specific user-defined limit, either import or export can be set to limit the export to the grid or have a minimum import from the grid. The system can be operated with single-phase or three-phase system and can control up to ten different types of inverters and manufactures. This number can be increased when using an external datalogger. The “ZERO EXPORT” has a real-time control which can be adopted with an easy to use web interface. The interface provide the actual and the historical consumption of grid and solar power via a graphic illustration. The controller records the data for later evaluations on an USB medium. By using intelligent switching of loads with user adoptable thresholds, the self consumption can be maximized.



    • Power limitation:   Feed-in limit as percentage of AC power or solar generator power Feed-in limit absolute in kW (70% EEG) Zero feed-in to grid Minimum energy consumption from grid Single phase or 3-phase control
    • Settling rate:   20 ms
    • Sampling rate:   8 kHz
    • Datalogging:   Storage of measurement values each minute on USB stick USB memory usage: ~150kB/day Connection to monitoring portal Automatic internet time via SNTP protocol
    • Intergrated web pages: Graphic of solar power vs. Grid consumption Graphic of actual values (solar power, grid



    • AC power supply: 80 – 277 Vac
    • Data interfaces: Ethernet (RJ45) for inverter control and internet connection Optional RS-485 (RJ45) for inverter control
    • Energy measurement: 3 current inputs 0 – 5 A / 3 inputs for 100 A current clamps 4 voltage inputs (L1, L2, L3 N) 0 – 277 Vac Measurement interval: 1Hz
    • USB interface::   Datalogging, Firmware update
    • Enclosure:  DIN rail mounting with PUR protection
    • Dimensions W x H x D:  90 x 80 x 45 mm
    • Weight: 200 g
    • Protection degree:  IP20
    • Ambient temperature range -25 – 60 °C

Store Location

Unit 45, APD Industrial Park, Cnr Elsecar and Kelvin Street, Kya Sand, johannesburg, South Africa

Business Hours

Monday to Friday 08:00 to 17:00

+27 (0)11 7080254

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